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HB9ABX > ANTENN 30.01.11 18:50l 60 Lines 2288 Bytes #999 (0) @ WW
BID : LFUJY3HB9EAS
Read: GUEST
Subj: Frustration and Success from DL9PB
Path: IZ3LSV<IK2XDE<DB0RES<DB0OVN<DB0II<DB0ZDF<DB0LHR<HB9EAS
Sent: 110130/1744z @:HB9EAS.CHE.EU [Basel JN37TM] DP6.00 $:LFUJY3HB9EAS
From: HB9ABX @ HB9EAS.CHE.EU (Felix)
To: ANTENN @ WW
Roomcap experience … frustration and success
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Tiado, DL9PB intended to build a Roomcap antenna. His first tries were
frustrating and he began to doubt ...
On January 14th, 2011 he wrote me the following e-mail:
(translated from German)
Hello Felix,
here I am again. My vacation is over and I had to work this week.
Now I just found some time to test again the Roomcap. Now I even could
hiss the antenne above the roof, however, it is not working at all as I desired.
Will dismantel the antenna and begin with the 40m Roomcap version.
So far I built the 20-30-40m version with a movable aluminium foil.
I just tested with a station in Saarbrücken. Using a 10m long wire directly
from the transceiver without coax, and tuned with the internal tuner of my
Yaesu equipment I got a report of 9+ from the other side. When using
the Roomcap I only received an S 5.
There must be something wrong ...
Now it is raining. Maybe water in the antenna ? I don't know ...
You know, I ordered 2mm dia copper wire instead the 1.5 mm dia. Does
this change anything for the 40m monoband version ?
Best regards and have a nice weekend
Tiado
I answered him and was asking some specific questions.
Then, several mails were sent back and forth, as some misinterpretations existed.
Today, January 29th, I received from Tiado the following e-mail:
Hi Felix
Your Roomcap invention is really fantastic. Today I have been qrv on 40 m.
A contact with London. After that my QSO partners have seen the antenna in
QRZ.COM, they can't beleave it. 9+20 in London. Other stations with much larger
antennas and more power had the same reports, or only 9+.
Also when calling USA I was always successfull. Before, using my dipole, I had
problems to hear at least something from there. I am very delighted and I am
advertizing it by telling, they just have to look in Google, where they find all about it ...
A big advantage I note is, that this antenna receives less noise. The frequency is
much more clear.
That's all for now. I just had to get rid of this message.
Best regards,
Tiado
I think, this is a really interesting experience, Tiado made here.
Best 73s
Felix HB9ABX
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