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CX2SA > SATDIG 04.05.11 20:36l 898 Lines 33917 Bytes #999 (0) @ WW
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Today's Topics:
1. Re: Question about radios (Edward R. Cole)
2. We Have a WINNER! (Clint Bradford)
3. Re: SO-67 (Brandon Rasmussen)
4. Re: Question about radios (nh6vb Scheller)
5. Re: We Have a WINNER! (i8cvs)
6. Re: Winner! (Clint Bradford)
7. Re: searching advice on low pass filter for 146 MHz
(Werner Kullmann, HB9BNK)
8. Re: WD9EWK @ Sierra Vista (Arizona) hamfest on Saturday
(7May) (Patrick STODDARD (WD9EWK/VA7EWK))
9. Alan Shepard, First American in Space (John Papay)
10. Re: WD9EWK @ Sierra Vista (Arizona) hamfest on Saturday
(7May) (Rafael Valdez G.)
11. For Sale - Gulf Alpha circular polarized antennas - NEW
(Peter Sils)
12. Re: Alan Shepard, First American in Space (Ng, Peter)
13. Re: Alan Shepard, First American in Space (Sebastian)
----------------------------------------------------------------------
Message: 1
Date: Tue, 03 May 2011 18:07:07 -0800
From: "Edward R. Cole" <kl7uw@xxxxxxxxx.xxx>
Subject: [amsat-bb] Re: Question about radios
To: <amsat-bb@xxxxx.xxx>
Message-ID: <201105040207.p442773Y009042@xxxxx.xxxxxxxxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"; format=flowed
This has been done to a certain degree by
eme'rs. The K3 is a dual down-conversion radio
with a 15-KHz SDR at the second IF (first
IF=8.215 MHz). The K3 sub-RX is an exact
duplicate of the main Rx which makes it the only
commercially made radio that can be used for
dual-channel phase-locked diversity reception.
For satellite operation, phase locking the two
receivers is not required so any of the radios
that have dual receivers could potentially be
used on satellite. However, not all can operate
in duplex mode. The Flex-5000 is available with
a dual-Rx and cost about the same as the K3
dual-Rx. Both require VHF and UHF
transverters. I'm not sure the Flex can operate
in duplex mode. I have an idea for using the
sub-RX in the K3 with a LP-Pan (or other SDR) to
accomplish duplex operation (will require new
firmware, at least). But that is the nicety of
SDR's: you can redesign them in sw and get a new radio.
There will be a batch of new dual-RX SDR's
showing up in the coming year. One offering
dual-Rx for 144/432/1296 has just been offered by
HB9DRI targeting the eme market. Can it operate crossband and duplex?
73, Ed- KL7UW
At 03:06 PM 5/3/2011, nh6vb Scheller wrote:
>Ed, et al,
>
>It would be interesting to include the new generation SDR's, (FLEX RADIO's,)
>in comparison to the radio's mentioned. Just a thought. Commends anyone?
>
>Peter, NH6VB
>
> > Date: Tue, 3 May 2011 11:17:57 -0800
> > To: k5oe@xxx.xxxx amsat-bb@xxxxx.xxx
> > From: kl7uw@xxxxxxxxx.xxx
> > Subject: [amsat-bb] Re: Question about radios
> >
> > Jerry provides a more complete review and more
> > depth (based on his having experience with more
> > satellite capable radios). I should have
> > mentioned the FT-837R, as it was the "best"
> > before the advent of the new HF-light radios. I
> > traded all my components for the single radio
> > concept when I bought the FT-847 (too soon after
> > its introduction), but it has done very well. I
> > am still flip-flopping on whether to sell the
> > FT-847 as it is still good for satellite use (and
> > 432-eme). But my station is building up around
> > the Elecraft K3 as core so we will see.
> >
> > I do question everyone's desire to have 1.2 GHz
> > in the same box. Experienced microwavers all
> > know that there is a lot of desirability to
> > locate mw units near or at the antenna. This
> > becomes a fact above 1.2 GHz where coax losses
> > eat you up. My FT-847 operates on 2m for 1268 by
> > using one of the (rare) DEMI 144/1268 Tx
> > upconverters. It's not installed, at present,
> > since repairing wind damage from last fall, I put
> > up a reduced-saze array (still not fully
> > functional). That unit produces 15w with about
> > 1.5w drive on 144-MHz. It was produced for a
> > short time during AO-40, and sales ended with
> > AO-40's demise. I installed it on the elevation
> > crossboom with 7-8 foot of LDF4-50 (1/2-inch) hardline to the loop-yagi.
> >
> > Today, one would have to purchase from db6nt
> > (Kuhne Engineering) at higher cost (I think there
> > might be a couple other sources for such a
> > critter). So that gives the Icom and Kenwood
> > radios an advantage (of sorts). But to get any
> > reasonable RF to the antenna you will be running
> > hardline, and if used for 1296, a remote
> > preamp. Well, for satellites you should have
> > remote preamps, anyway (this last advice is not
> > directed to the hand-waving Arrow/HT crowd).
> >
> > There debate will continue as long as hams have radios ;-)
> >
> > Ed - KL7UW
> >
> > At 10:10 AM 5/3/2011, K5OE wrote:
> > >I can tell already this is an old thread that
> > >will go on for a while? Money is almost never
> > >???not an issue,???? so fitting the radio to the
> > >user is always a matter of preferences and
> > >priorities. If you want HF + satellite in one
> > >rig, the TS-2000 and the FT-847 work, but not
> > >the IC-910. If you want 23 cm in the rig, the
> > >TS-2000 and the IC-910 work, but not the
> > >FT-847. If you want to power your preamp(s)
> > >without any external wiring, the FT-847 and
> > >IC-910 work, but not the TS-2000. If you want a
> > >built-in antenna tuner (HF), or a built-in TNC,
> > >or built-in voice recorder, then only the
> > >TS-2000 works. If you want lots of 3rd party
> > >software, then the FT-847 is your best bet. I
> > >agree with Ed, the IC-9100 seems priced
> > >outrageously for what it is?reminiscent of the
> > >IC-970H. Maybe I???ve just lost a sense for
> > >the market?look at the priice of new cars! For
> > >a strictly satellite rig, an IC-821H is still a
> > >very good radio selling for half the price of a
> > >used IC-910 (and just a bit more than a
> > >FT-736?the FFT-847 of a previous generation). A
> > >decade ago I bought a TS-2000 for a number of
> > >reasons, including the ability to work the HF
> > >satellites (RS-12/13 and AO-7) in one rig. I
> > >sold an FT-990 and an IC-820 and had money left
> > >over. I still consider it really good
> > >value. While I have never liked the controls as
> > >well as my Yaesu HF rig(s), I came to really
> > >appreciate the DSP functions and the CW features
> > >and had great fun with the TNC on the ISS,
> > >pacsats (especially UO-22, RIP), and APRS. I
> > >added 1.2 GHz when AO-40 was launched. I scored
> > >higher in HF contests with it than I ever had
> > >with the non-DSP Yaesu rig. I wasn???t bothered
> > >(too much) by the infamous birdie because I
> > >could tune around it with the combination of a
> > >high-gain UHF antenna and a preamp, but do
> > >consider it a fatal flaw to anyone considering
> > >the radio for use on AO-27 or SO-50 with a
> > >low-gain antenna system. I???ll end with an
> > >echo of Dee???s comment below: spend your time
> > >and money on the antennas, as almost any radio
> > >will work with a good signal. 73, Jerry, K5OE
> > >--- original message --- Having the FT-847 since
> > >early 1998 and observing the IC-910 I would
> > >recommend both over the TS-2000 or new IC-9100
> > >on basis of bucks spent. I realize both the 847
> > >and 910 are out of production but good used
> > >units are available for <$900. The TS-2000
> > >"birdie" issue is unforgivable for the money
> > >spent (Unless you are not interested in
> > >satellites which the FT-857/897 would then be my
> > >choice). The IC-9100 is outrageously expensive
> > >and would only be a choice if you have no HF
> > >equipment. It is still too new for a complete
> > >opinion (for what you spend you could have top
> > >notch transverters and a new K3*, or buy two
> > >FT-817 with amps for a lot less). *Note: the K3
> > >is not able to do duplex at this time, but I
> > >have an idea how it could by using the dual
> > >receiver IF. My K3 with DEMI transverter is much
> > >superior to the FT-847 on 2m, but that is only
> > >for very weak-signal applications (satellites
> > >are on the strong side of weak-signal if you get
> > >my drift), and use on HF (which is not the
> > >question that was asked). 73, Ed - KL7UW At
> > >06:46 AM 5/3/2011, Dee wrote: >Andrew, >Being in
> > >this end of the hobby for "many" years, I have
> > >learned that >sometimes the choice comes down to
> > >what you can afford. While the TS2000 is >a
> > >nice radio, with the birdie problem, it leaves a
> > >question. Ihave had 2 >Icom 910's for many
> > >years and even have one of them adapted with the
> > >1.2ghz >module. Both have worked flawless and
> > >have been more than adequate. The >new ICOM
> > >9100 (which you ask about) is a bit pricey for
> > >the bands provided. >I have been following the
> > >production of the 9100 and it has become out of
> > >an >average hams price range. While the specs
> > >are very good, you can achieve >the same effect
> > >with a TS2000 - Icom 910- Yaesu 847 and even the
> > >older icom >820 (?) - >Once again, I have always
> > >advised sat ops to spend the money on the
> > >antennas >and coax as this is where you'll find
> > >the most advantage for your operation. >Good
> > >luck and go to the AMSAT website to obtain a
> > >truck load of info >pertaining to satellite
> > >station construction and operating
> > >advice. >73, >Dee, NB2F >NJ AMSAT
> > >Coordinator > >-----Original Message----- >From:
> > >amsat-bb-bounces@xxxxx.xxx
> > >[mailto:amsat-bb-bounces@xxxxx.xxxx On >Behalf
> > >Of Alvaro Gaviria >Sent: Monday, May 02, 2011
> > >4:51 PM >To: amsat-bb@xxxxx.xxx >Subject:
> > >[amsat-bb] Question about radios > >Hello
> > >all, > > > >Can someone tell what is better for
> > >satellite work, the Kenwood TS-2000X or >the
> > >Icom IC- 9100 ?? > > > >Best
> > >regards > > > >Andrew >HK4MKE
> > >_______________________________________________
> > >Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed
> > >are those of the author. Not an AMSAT-NA member?
> > >Join now to support the amateur satellite
> > >program! Subscription settings:
http://amsat.org/mailman/listinfo/amsat-bb
> >
> >
> > 73, Ed - KL7UW, WD2XSH/45
> > ======================================
> > BP40IQ 500 KHz - 10-GHz www.kl7uw.com
> > EME: 50-1.1kW?, 144-1.4kw, 432-100w, 1296-testing*, 3400-?
> > DUBUS Magazine USA Rep dubususa@xxxxxxx.xxx
> > ======================================
> >
> > _______________________________________________
> > Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> > Not an AMSAT-NA member? Join now to support the amateur satellite program!
> > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
73, Ed - KL7UW, WD2XSH/45
======================================
BP40IQ 500 KHz - 10-GHz www.kl7uw.com
EME: 50-1.1kW?, 144-1.4kw, 432-100w, 1296-testing*, 3400-?
DUBUS Magazine USA Rep dubususa@xxxxxxx.xxx
======================================
------------------------------
Message: 2
Date: Tue, 03 May 2011 20:30:30 -0700
From: Clint Bradford <clintbradford@xxx.xxx>
Subject: [amsat-bb] We Have a WINNER!
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Message-ID: <D48EC6BE-E845-4CD2-85B0-E1A525626582@xxx.xxx>
Content-Type: text/plain; charset=windows-1252
We have a WINNER in the "Who ARE These Folks?" contest!
Photo at ...
http://tinyurl.com/K6LCS-CONTEST
Although his answers spanned across three email replies, my attorney (I DO
live in
California, after all ... (grin)) has declared GRAHAM VK5AGR the WINNER of
this
contest!
US$100 has been donated to AMSAT-NA - Thank you, Graham!
Oh, the answers! From right to left, we have the first ARISS supporter from
England
and 61-year member of the RSGB, Ron Broadbent G3AAJ (SK). In the middle -
behind those Foster Grants - is our very own Martha Saragovitz. And that is
Ron?s
wife, Beryl, on the left. The photo was taken in the 1Q of 1980 ... which
means
Martha was about 12 when it was taken ...
Clint, K6LCS
------------------------------
Message: 3
Date: Tue, 3 May 2011 16:18:05 -0600
From: Brandon Rasmussen <brandonbrasmussen@xxxxx.xxx>
Subject: [amsat-bb] Re: SO-67
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Message-ID: <533C6B95-0DAB-4DC8-8F70-8B153FB124C7@xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
I'll try to work the 2045Z pass this evening from DN40.
Brandon
K7BBR
> Another souless pass.... Very dissapointing. :(
>
> Kevin
> KF7MYK
------------------------------
Message: 4
Date: Tue, 3 May 2011 13:06:46 -1000
From: nh6vb Scheller <nh6vb@xxx.xxx>
Subject: [amsat-bb] Re: Question about radios
To: <kl7uw@xxxxxxxxx.xxx>, <k5oe@xxx.xxx>, amsat-bb
<amsat-bb@xxxxx.xxx>
Message-ID: <BAY147-w56F90D23EA0D96640DE7E4E19E0@xxx.xxx>
Content-Type: text/plain; charset="Windows-1252"
Ed, et al,
It would be interesting to include the new generation SDR's, (FLEX RADIO's,)
in comparison to the radio's mentioned. Just a thought. Commends anyone?
Peter, NH6VB
> Date: Tue, 3 May 2011 11:17:57 -0800
> To: k5oe@xxx.xxxx amsat-bb@xxxxx.xxx
> From: kl7uw@xxxxxxxxx.xxx
> Subject: [amsat-bb] Re: Question about radios
>
> Jerry provides a more complete review and more
> depth (based on his having experience with more
> satellite capable radios). I should have
> mentioned the FT-837R, as it was the "best"
> before the advent of the new HF-light radios. I
> traded all my components for the single radio
> concept when I bought the FT-847 (too soon after
> its introduction), but it has done very well. I
> am still flip-flopping on whether to sell the
> FT-847 as it is still good for satellite use (and
> 432-eme). But my station is building up around
> the Elecraft K3 as core so we will see.
>
> I do question everyone's desire to have 1.2 GHz
> in the same box. Experienced microwavers all
> know that there is a lot of desirability to
> locate mw units near or at the antenna. This
> becomes a fact above 1.2 GHz where coax losses
> eat you up. My FT-847 operates on 2m for 1268 by
> using one of the (rare) DEMI 144/1268 Tx
> upconverters. It's not installed, at present,
> since repairing wind damage from last fall, I put
> up a reduced-saze array (still not fully
> functional). That unit produces 15w with about
> 1.5w drive on 144-MHz. It was produced for a
> short time during AO-40, and sales ended with
> AO-40's demise. I installed it on the elevation
> crossboom with 7-8 foot of LDF4-50 (1/2-inch) hardline to the loop-yagi.
>
> Today, one would have to purchase from db6nt
> (Kuhne Engineering) at higher cost (I think there
> might be a couple other sources for such a
> critter). So that gives the Icom and Kenwood
> radios an advantage (of sorts). But to get any
> reasonable RF to the antenna you will be running
> hardline, and if used for 1296, a remote
> preamp. Well, for satellites you should have
> remote preamps, anyway (this last advice is not
> directed to the hand-waving Arrow/HT crowd).
>
> There debate will continue as long as hams have radios ;-)
>
> Ed - KL7UW
>
> At 10:10 AM 5/3/2011, K5OE wrote:
> >I can tell already this is an old thread that
> >will go on for a while? Money is almost never
> >???not an issue,???? so fitting the radio to the
> >user is always a matter of preferences and
> >priorities. If you want HF + satellite in one
> >rig, the TS-2000 and the FT-847 work, but not
> >the IC-910. If you want 23 cm in the rig, the
> >TS-2000 and the IC-910 work, but not the
> >FT-847. If you want to power your preamp(s)
> >without any external wiring, the FT-847 and
> >IC-910 work, but not the TS-2000. If you want a
> >built-in antenna tuner (HF), or a built-in TNC,
> >or built-in voice recorder, then only the
> >TS-2000 works. If you want lots of 3rd party
> >software, then the FT-847 is your best bet. I
> >agree with Ed, the IC-9100 seems priced
> >outrageously for what it is?reminiscent of the
> >IC-970H. Maybe I???ve just lost a sense for
> >the market?look at the priice of new cars! For
> >a strictly satellite rig, an IC-821H is still a
> >very good radio selling for half the price of a
> >used IC-910 (and just a bit more than a
> >FT-736?the FFT-847 of a previous generation). A
> >decade ago I bought a TS-2000 for a number of
> >reasons, including the ability to work the HF
> >satellites (RS-12/13 and AO-7) in one rig. I
> >sold an FT-990 and an IC-820 and had money left
> >over. I still consider it really good
> >value. While I have never liked the controls as
> >well as my Yaesu HF rig(s), I came to really
> >appreciate the DSP functions and the CW features
> >and had great fun with the TNC on the ISS,
> >pacsats (especially UO-22, RIP), and APRS. I
> >added 1.2 GHz when AO-40 was launched. I scored
> >higher in HF contests with it than I ever had
> >with the non-DSP Yaesu rig. I wasn???t bothered
> >(too much) by the infamous birdie because I
> >could tune around it with the combination of a
> >high-gain UHF antenna and a preamp, but do
> >consider it a fatal flaw to anyone considering
> >the radio for use on AO-27 or SO-50 with a
> >low-gain antenna system. I???ll end with an
> >echo of Dee???s comment below: spend your time
> >and money on the antennas, as almost any radio
> >will work with a good signal. 73, Jerry, K5OE
> >--- original message --- Having the FT-847 since
> >early 1998 and observing the IC-910 I would
> >recommend both over the TS-2000 or new IC-9100
> >on basis of bucks spent. I realize both the 847
> >and 910 are out of production but good used
> >units are available for <$900. The TS-2000
> >"birdie" issue is unforgivable for the money
> >spent (Unless you are not interested in
> >satellites which the FT-857/897 would then be my
> >choice). The IC-9100 is outrageously expensive
> >and would only be a choice if you have no HF
> >equipment. It is still too new for a complete
> >opinion (for what you spend you could have top
> >notch transverters and a new K3*, or buy two
> >FT-817 with amps for a lot less). *Note: the K3
> >is not able to do duplex at this time, but I
> >have an idea how it could by using the dual
> >receiver IF. My K3 with DEMI transverter is much
> >superior to the FT-847 on 2m, but that is only
> >for very weak-signal applications (satellites
> >are on the strong side of weak-signal if you get
> >my drift), and use on HF (which is not the
> >question that was asked). 73, Ed - KL7UW At
> >06:46 AM 5/3/2011, Dee wrote: >Andrew, >Being in
> >this end of the hobby for "many" years, I have
> >learned that >sometimes the choice comes down to
> >what you can afford. While the TS2000 is >a
> >nice radio, with the birdie problem, it leaves a
> >question. Ihave had 2 >Icom 910's for many
> >years and even have one of them adapted with the
> >1.2ghz >module. Both have worked flawless and
> >have been more than adequate. The >new ICOM
> >9100 (which you ask about) is a bit pricey for
> >the bands provided. >I have been following the
> >production of the 9100 and it has become out of
> >an >average hams price range. While the specs
> >are very good, you can achieve >the same effect
> >with a TS2000 - Icom 910- Yaesu 847 and even the
> >older icom >820 (?) - >Once again, I have always
> >advised sat ops to spend the money on the
> >antennas >and coax as this is where you'll find
> >the most advantage for your operation. >Good
> >luck and go to the AMSAT website to obtain a
> >truck load of info >pertaining to satellite
> >station construction and operating
> >advice. >73, >Dee, NB2F >NJ AMSAT
> >Coordinator > >-----Original Message----- >From:
> >amsat-bb-bounces@xxxxx.xxx
> >[mailto:amsat-bb-bounces@xxxxx.xxxx On >Behalf
> >Of Alvaro Gaviria >Sent: Monday, May 02, 2011
> >4:51 PM >To: amsat-bb@xxxxx.xxx >Subject:
> >[amsat-bb] Question about radios > >Hello
> >all, > > > >Can someone tell what is better for
> >satellite work, the Kenwood TS-2000X or >the
> >Icom IC- 9100 ?? > > > >Best
> >regards > > > >Andrew >HK4MKE
> >_______________________________________________
> >Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed
> >are those of the author. Not an AMSAT-NA member?
> >Join now to support the amateur satellite
> >program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
> 73, Ed - KL7UW, WD2XSH/45
> ======================================
> BP40IQ 500 KHz - 10-GHz www.kl7uw.com
> EME: 50-1.1kW?, 144-1.4kw, 432-100w, 1296-testing*, 3400-?
> DUBUS Magazine USA Rep dubususa@xxxxxxx.xxx
> ======================================
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 5
Date: Wed, 4 May 2011 06:13:52 +0200
From: "i8cvs" <domenico.i8cvs@xxx.xx>
Subject: [amsat-bb] Re: We Have a WINNER!
To: "Clint Bradford" <clintbradford@xxx.xxx>, "AMSAT BB"
<amsat-bb@xxxxx.xxx>
Message-ID: <001801cc0a11$adc08960$0401a8c0@xxxxxx>
Content-Type: text/plain; charset="Windows-1252"
Hi Clint , K6LCS
Since you have received three email replies including my replay
can you publish the replies of the other two "non winners" ?
Just for curiosity because in a email to you I recognized from
left to right the wife of Ron G3AAJ, in the center Martha
Saragovitz, and on right Ron Broadbent G3AAJ
So I believe it would be very nice to know the call letter of
the second " non winner" and of the third "non winner"
Tanks
73" de
i8CVS Domenico
----- Original Message -----
From: "Clint Bradford" <clintbradford@xxx.xxx>
To: "AMSAT BB" <amsat-bb@xxxxx.xxx>
Sent: Wednesday, May 04, 2011 5:30 AM
Subject: [amsat-bb] We Have a WINNER!
We have a WINNER in the "Who ARE These Folks?" contest!
Photo at ...
http://tinyurl.com/K6LCS-CONTEST
Although his answers spanned across three email replies, my attorney (I DO
live in
California, after all ... (grin)) has declared GRAHAM VK5AGR the WINNER of
this
contest!
US$100 has been donated to AMSAT-NA - Thank you, Graham!
Oh, the answers! From right to left, we have the first ARISS supporter from
England
and 61-year member of the RSGB, Ron Broadbent G3AAJ (SK). In the middle -
behind those Foster Grants - is our very own Martha Saragovitz. And that is
Ron?s
wife, Beryl, on the left. The photo was taken in the 1Q of 1980 ... which
means
Martha was about 12 when it was taken ...
Clint, K6LCS
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 6
Date: Tue, 03 May 2011 21:53:33 -0700
From: Clint Bradford <clintbradford@xxx.xxx>
Subject: [amsat-bb] Re: Winner!
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Message-ID: <24C2E663-C49D-48A5-A844-CE52F8490B25@xxx.xxx>
Content-Type: text/plain; CHARSET=US-ASCII
>> ... Since you have received three email replies including my replay
can you publish the replies of the other two "non winners" ?
I am sorry - I thought I stated it better than that. I received MANY
replies. But it was all the info from Graham - in HIS three
email messages - that fulfilled the info requested!
Graham Msg One - April 26, 2011 11:32:44 PM PDT - Names OK ...
Graham Msg Two - April 26, 2011 11:42:47 PM PDT - chit chat ...
Graham Msg Three - April 26, 2011 11:45:20 PM PDT ... Date added - complete,
correct answers!
Colin VK5HI - April 27, 2011 12:32:35 AM PDT - identifying Ron only.
Perry WB8OTH - April 27, 2011 5:30:30 AM PDT - identifying Martha only
Larry K8MU - April 27, 2011 9:24:22 AM PDT - ID'd 'em all - but with "a
long, long time ago ... " as the date (grin)
Domenico I8CVS - April 27, 2011 11:09:38 AM PDT - Got Martha correctly, no
date
Domenico I8CVS - April 27, 2011 11:09:44 AM PDT - ID'd all three - no date
Zack KD8KSN - April 27, 2011 11:53:12 AM PDT - "1950-60's ... one of the
ladies is Martha ... "
Martha - April 27, 2011 12:17:35PM PDT - "Clint, of course I know - but my
lips are sealed!"
Domenico I8CVS - April 27, 2011 12:40:02 PM PDT - adds the date - " ... 1975
to 1980 ... "
... and several more replies.
THANK YOU ALL for your support. This was fun!
Clint, K6LCS
------------------------------
Message: 7
Date: Wed, 04 May 2011 17:22:27 +0200
From: "Werner Kullmann, HB9BNK" <hb9bnk@xxxx.xx>
Subject: [amsat-bb] Re: searching advice on low pass filter for 146
MHz
To: amsat-bb@xxxxx.xxx
Message-ID: <4DC16F33.7090101@xxxx.xx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hi Domenico, I8CVS,
I am grateful that you took the time to look at my measurements
und send me valuable advice. I have today sent our correnspondence
to my contact person in SSB and keep you informed about their answers.
I will also study the diagram you attached, to understand, how you
solved a similar problem.
This project is for me a great educational adventure !
We have a great hobby !
73 Werner, HB9BNK
Am 04.05.2011 00:36, schrieb i8cvs:
> Hi Werner, HB9BNK
>
> I have seen your measurement on spectrum analyser with and without the
> passband cavity filter but the result is not satisfactory because you need
> to add a notch cavity filter tuned to suck the - 20 dBm offending POCSAG
> signal at 147.300 MHz
>
> By the way you can solve the problem using a less know "Front End
> Crystal Antenna Filter"
>
> The above filter is a passband filter to be placed between the antenna
> and the preamplifier input and it's passband is very sharp and narrow
> and only flat for about 30 KHz after that the responce belove and upper
> the passband drops down for about -60 to -70 dB
>
> For example you can order a passband from 145.925 to 145.955 MHz
> or from 145.955 to 145.975 MHz to work OSCAR-7
>
> You can install the filter inside the SSB Electronics preamplifier between
> the input coax relay and the gate of the GaAsFET and this allow you to
> transmit in 2 meters because on transmit the crystal filter is swithed OFF
> from the TX line.
>
> Alternatively you can place the crystal filter at the antenna but outside
> the preamplifier on a PCB into a separate box with two coax relays in
> order to switch OFF the filter with the purpose to transmit and to receive
> the full 2 meters band.
>
> There are many manufacturers as you can see on Google searching with
> "Front End Crystal Antenna Filters" but they must be ordered on request
> and specifications of the customer and I believe that it is a difficult task
> to get only one prototype.
>
> In your situation I suggest you to call by telephone Mr Barkoviak at
> the SSB Electronic factory because he know many crystal manufacturers
> in Germany and I am sure he can order the filter for you under your
> specifications.
>
> I know Mr Barkoviak very well and he has ordered many not standard
> crystals for me to be used into my SSB Electronics converters and
> transverters.
>
> In additions I am confident that Mr Barkoviac will be interested to
> know the results of your experimentation using his SSB Electronic
> preamplifier.
>
> Best 73" de
>
> i8CVS Domenico
>
> ----- Original Message -----
> From: "Werner Kullmann, HB9BNK"<hb9bnk@xxxx.xx>
> To:<amsat-bb@xxxxx.xxx>
> Sent: Tuesday, May 03, 2011 12:10 PM
> Subject: [amsat-bb] searching advice on low pass filter for 146 MHz
>
>
>> I received several suggestions, when I stated my problem lasst
>> week. While exercising, I started to document my 'case' and now I
>> would be glad, if you could have a look at my measurements:
>>
>> http://www.hb9bnk.ch/index.php?id=59&L=1
>>
>> and let me have your opinion !
>>
>>
>> I guess, that Domenico had the ultimate answer: two huge filters
>> (if the problem can be solved at all) or Power-off of the
>> preamplifier
>>
>> Thanks and
>>
>> 73 Werner, HB9BNK
>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
------------------------------
Message: 8
Date: Wed, 4 May 2011 08:55:36 -0700
From: "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb@xxxxxx.xxx>
Subject: [amsat-bb] Re: WD9EWK @ Sierra Vista (Arizona) hamfest on
Saturday (7May)
To: amsat-bb@xxxxx.xxx
Message-ID: <BANLkTinoLo+cnk3bRR1gutoyg58njJp4LA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi Chuck!
> My vote is for DM 51/52...don't have either one of those yet!
I wasn't making this a vote on which place I drive to, but the
DM51/DM52 boundary is probably where I will go. It's a shorter
drive from the hamfest than the New Mexico state line along
I-10. Since nobody has asked me to drive to the state line, I
will most likely go back to DM51/DM52 Saturday afternoon.
Keep an eye on the APRS track at http://aprs.fi/wd9ewk-9 on
Saturday to see where I am heading.
73!
Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
------------------------------
Message: 9
Date: Wed, 04 May 2011 12:16:16 -0400
From: John Papay <john@xxxxxx.xxx>
Subject: [amsat-bb] Alan Shepard, First American in Space
To: amsat-bb@xxxxx.xxx
Message-ID: <691081.33378.qm@xxxxxxx.xxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"; format=flowed
Tomorrow, May 5th, we as Americans will celebrate the
Anniversary of Alan Shepard's flight into space 50 years
ago. Alan flew in a Mercury capsule on top of a Redstone
Rocket. His recovery at sea was viewed by millions on
live television. Alan could have been the first human to fly
in space, however, delays postponed what was to be an October,
1960 launch. Safety was the concern back then as it is today.
Alan actually had some control over the Mercury capsule including
it's attitude. His flight was not on autopilot. He was very
concerned about making a mistake as he knew everyone was depending
on him. His flight was a great success and a tribute to all those
who came before him, some giving their lives as test pilots. The
success could not have been possible if it were not for all those
who were involved in the design, manufacturing and assembly,
and all things necessary to launch a spacecraft. All were American
Patriots.
I was just 15 years old in 1961 and had been licensed as a Novice
for 3 months. My father worked at NASA Lewis so we were very much
aware of the tremendous effort being made to put a man in Space.
The years that came after saw the United States fly mission after
mission culminating with a lunar landing. Alan Shepard would later
command Apollo 14 and pilot the lunar lander onto the surface of the
moon. Alan Shepard (1923-1998) is an American Hero.
Alan Shepard, the first American in Space, May 5th, 1961. Tell your
kids and grandkids about him.
73,
John K8YSE
------------------------------
Message: 10
Date: Wed, 4 May 2011 09:32:07 -0700
From: "Rafael Valdez G." <rafavaldez@xxxxxxx.xxx>
Subject: [amsat-bb] Re: WD9EWK @ Sierra Vista (Arizona) hamfest on
Saturday (7May)
To: <amsat-bb@xxxxx.xxx>
Message-ID: <BAY156-w16DC1BC6D1F9DDD1121F25DB810@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
> I wasn't making this a vote on which place I drive to, but the
> DM51/DM52 boundary is probably where I will go.
I am also in favor of DM51/DM52....
I need more grids for my second VUCC... hehe..
73
XE2RV
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 11
Date: Wed, 4 May 2011 09:51:33 -0700 (PDT)
From: Peter Sils <du7la@xxxxx.xxx>
Subject: [amsat-bb] For Sale - Gulf Alpha circular polarized antennas
- NEW
To: amsat-bb@xxxxx.xxx
Message-ID: <511073.40322.qm@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
Gulf Alpha circular polarized antennas. ?2M-5ELSat and 70CM-8ELSat, New,
never installed! Check the GREAT reviews on Eham.Net for Gulf Alpha!? Read
all the spec?s at: http://www.gulfalphaantennas.com/ New from factory $498,
asking $348 plus shipping. KD0AA at Yahoo.com
------------------------------
Message: 12
Date: Wed, 4 May 2011 10:47:22 -0700
From: "Ng, Peter" <Peter.Ng@xxxxx.xx>
Subject: [amsat-bb] Re: Alan Shepard, First American in Space
To: "'John Papay'" <john@xxxxxx.xxx>, "amsat-bb@xxxxx.xxxx
<amsat-bb@xxxxx.xxx>
Message-ID:
<44D6D682B38A5D4FAA2DBDE4AFD3B87D0307EA49@xxxxxxxx.xxxxxx.xxxxxx.xx>
Content-Type: text/plain; charset="us-ascii"
...was he not the first lunar golfer as well? :)
73's Peter VE7NGP
------------------------------
Message: 13
Date: Wed, 4 May 2011 14:26:29 -0400
From: Sebastian <w4as@xxxxxxxxx.xxx>
Subject: [amsat-bb] Re: Alan Shepard, First American in Space
To: amsat-bb <amsat-bb@xxxxx.xxx>
Message-ID: <005C084C-F446-47C6-877C-8E6C05E55E6A@xxxxxxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
I think it's a shame we don't have an Astronauts Day to observe in the US.
So many gave so much to this effort.
I suggested this to the governor of my state years ago, and I never received
a reply. So strange considering Florida is where all of the US manned
flights have originated from.
73 de Sebastian, W4AS
On May 4, 2011, at 12:16 PM, John Papay wrote:
> Tomorrow, May 5th, we as Americans will celebrate the
> Anniversary of Alan Shepard's flight into space 50 years
> ago.
------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
http://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 6, Issue 257
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