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M1CUK > NEWS 29.05.10 11:15l 218 Lines 10506 Bytes #999 (0) @ EU
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GB2RS NEWS
Sunday 30th May 2010
The news headlines
• Australian concerns for the 70cm band
• VHF & Up at the RSGB Convention
• Kenyan amateurs gain extension to 7MHz
Radio amateurs in Australia are worried that they may soon lose access
to some or all of the 420 to 450MHz band. The Australian Communications
and Media Authority issued a statement on future use of the spectrum
from 403 to 520MHz. Part of the statement shows proposals for 420 to
430MHz, there is no mention of the amateur service. The Australian
Communications and Media Authority also propose to increase the number
of UHF Citizen Band Radio Service channels from 40 to 80 by the use of
12.5kHz channel spacing.
For the second year, a VHF and UP stream is incorporated into the RSGB
Convention. As usual there are some very interesting talks included,
ranging from VHF antennas to UHF DXing and Contesting as well as
Microwave contesting. There will also be talks on Software Defined
Radios in a VHF context and an update into the research in making
Sporadic-E predictable. For those interested in home brew there will be
a talk on how to build solid state high power amplifiers at VHF.
In a departure from these more usual VHF talks, subjects like how the
Earth's Magnetic Field affects propagation and CMEs will be on the
programme. Look out for a fascinating talk on the research being
undertaken to understand the Coronal Mass Ejections from the Sun, which
has clear impact on VHF, particularly with regard to the auroral
curtain. It is hoped that a talk on how reception of space probes is
enabled at very considerable distance at microwave will also be included
in the programme.
Final details of the programme and speakers will be available on the
website at www.rsgb.org/rsgbconvention as they are finalised. You will
also find booking details whether you plan to stay for the weekend or
just visit for a day.
The Communications Commission of Kenya has approved the use by amateurs
in Kenya of the sub-band 7100 to 7200kHz.
The 61st Lake Constance Convention and the Ham Radio 2010, both
organised by DARC, Germany's National Radio Society, will take place
from 25 to 27 June in Friedrichshafen. They are expecting many IARU
representatives to visit the event. Details can be found at
www.hamradio-friedrichshafen.de, then click on the UK flag for an
English translation.
Tamworth Amateur Radio Society will be hosting a Train the Trainers
course on 31 July. Further details can be obtained from Bob Williams,
G1BCZ on 0781 1646 870 or by e-mail to g1bcz@btinternet.com.
And now for the details of rallies and events for the coming week
Today, 30 May, Waters and Stanton are holding their 20th annual Open Day
at their Hockley premises from 10am. There will be free food and drink,
special offers and representatives from Yaesu, Kenwood, Icom, bhi and
others. Details at www.wsplc.com.
The Sausage and Scouse Net Summer Meeting will be held today, 30 May, at
The Old Quay, The Parade, Parkgate CH64 6SB starting at midday. More
information from Bill, G4USW on 07870 325537.
The 14th Red Rose QRP Festival takes place on Sunday 6 June from 11am to
3pm in Formby Hall, Alder Street, which is off the High Street in
Atherton, Manchester. The postcode for satnav users is M46 9EY. There
will be trade and individual stands as well as club stands including
RSGB and GQRP. The Festival also runs a low cost Bring & Buy. Admission
is £2 with children under 14 free. More details from Les Jackson, G4HZJ
by e-mail g4hzj@ntlworld.com 01942 870634.
British Amateur TV Club Biennial General Meeting will be held on 6 June
at the Hellidon Lakes Hotel, near Daventry NN11 6GG. Doors open at 9am
for the exhibition and lectures run from 10am to 2pm, entry is £4 for
non BATC members. The BGM starts at 2.30pm. The event will be streamed
live at www.batc.tv.
Also on 6 June, the Spalding & DARS Annual Rally will take place at The
Sir John Gleed Technology School, Halmer Gardens, Spalding, Lincs, PE11
2EF. Talk in will be provided on S22. Doors open at 10am and there is
free car parking. More details from John, G4NBR on 0794 630 2815.
Newhaven Fort Amateur Radio Group Rally and Fort Open Day takes place on
6 June at Newhaven Fort, East Sussex. The doors open at 10.30am and
admission is £2. Sellers tables are £7 each and set up 9am. More details
from Eddie, G0ECW on 01273 300772.
Now for the news of special events
GM4FFF will be working from Flanders Moss National Nature Reserve, which
is World Flora and Fauna reference GMFF-024 on 29 and 30 May. The team
consists of MM0DFV, GM0WRR and GM0EZP.
Over the weekend of 5 and 6 June GB70BRS will be on the air from the
Manor building at Bawdsey. As before, the station will be open to
visitors between 10am and 4pm. The Manor house and grounds are not open
to the public, only the station and exhibition, but anyone who wants to
come and see what is happening is welcome. Please go to the website
http://bawdseyresearchstation.org.uk and register for your visit! Also,
don't forget the Bawdsey Certificate which is available to stations who
worked GB75BRS and also work GB70BRS on either the June or September
weekend. The Certificate costs £5, and proceeds from this go to the RAF
Benevolent Fund.
Dundalk Amateur Radio Society will be activating St. Johns Castle,
Carlingford, County Louth on 29 and 30 May using EI7DAR/P. Operation
will be on all HF bands and on most of the VHF and UHF bands as well.
All QSL routes will be catered for. Details can found at www.ei7dar.com.
And now the HF DX news compiled from 425 DX News and other sources.
An E4X Palestine operation is scheduled to take place until 6 June.
Operations will be on 160 to 6 meter bands including 30, 17 and 12
meters using CW, SSB and RTTY with at least 3 stations on the air at the
same time on different bands and modes. QSL via EA5RM: Antonio Gonzalez,
PO Box 930, E-03200 Elche, Spain. www.dxfriends.com/e4x/
IT9EJP, IT9ZIR, IT9ZZO, IW9FRB and /IW9HSK will be active from Stromboli
Island as ID9/homecall until 2 June. QSL via their home callsigns. More
information can be found at www.iw9frb.it/stromboli.
Larry, W6NWS will be in Vietnam until 9 June. He expects to be active as
XV2W when time permits. QSL via home call, direct or via the bureau, and
Logbook of The World.
Now the contest news
The Bath Buildathon Contest is primarily intended to activate the radios
built at the Bath Buildathon events, although it is open to all. The
maximum power is 10 watts. The event takes place between 30 May and 5
June at various times. You must use SSB on the 3.5MHz band. The exchange
is signal report, the make and model of your transceiver and the power.
Full rules can be found on the internet. Using your favourite search
engine, search for Bath Buildathon Contest.
On 1 June the 144MHz UK Activity Contest will take place between 1900
and 2130UTC. Using all modes the exchange is signal report, serial
number and locator.
Over the weekend on 5 and 6 June, the National Field Day CW Contest
takes place between 1500UTC and 1500UTC. Using all bands between 1.8 and
28MHz the exchange is signal report and serial number.
Also over the weekend of 5 and 6 June the UK Six Metre Group’s Summer
E’s Contest should see some DX being worked – after all, the date is
chosen specifically to coincide with the peak of the Sporadic-E season.
Using all modes between 1200 and 1200UTC, the exchange is signal report,
serial number, locator and membership number.
On 6 June the Practical Wireless magazine 4m low power contest takes
place between 1200 and 1700UTC. The maximum power allowed is 10 watts.
Using all modes the exchange is signal report, serial number and
locator.
Now the solar factual data for the period from the 17th to the 23rd of
May, compiled by Neil Clarke, G0CAS on the 24th of May.
The solar disc started the period with no sunspots visible, but during
the 20th and the 21st a group emerged. Solar activity remained at very
low levels every day. Solar flux levels increased slightly once the
sunspot group appeared and increased from 69 units to 75 by the 23rd.
The average was 71 units. The 90 day solar flux average on the 23rd was
78, that’s one unit down on last week. X-ray flux levels increased
slightly and averaged A2 units. Geomagnetic activity was quiet every day
even though the effects from a coronal hole arrived on the 19th. The
disturbance was very limited, in fact, the most disturbed day was the
20th with an Ap index of 9 units. The average was 6 units. Solar wind
data from the ACE spacecraft saw solar wind speeds increase from 320
kilometres per second on the 17 to 530 by the 19th. From the 20th speeds
gradually declined to around 360 kilometres per second by the end of the
period. Particle densities were low except for a brief increase to 26
particles per cubic centimetre during the 19th. Bz varied between minus
and plus 3 nanoTeslas on the quieter days and between minus 12 and plus
11 nanoTeslas on the 19th.
And now the solar forecast.
This week the slightly more active side of the Sun is expected to be
looking our way. Saying that, solar activity is still expected to be at
very low levels. Solar flux levels should be around the mid 70’s for
most of the week. Geomagnetic activity is expected to start at unsettled
levels due to a recurring coronal hole. Activity should quickly decline
and be at quiet levels for the remainder of the week. MUFs during
daylight hours at equal latitudes should be about 20MHz for the south
and 17MHz for the north. Darkness hour lows should be around 11MHz.
Paths this week to the east coast of North America should have a maximum
usable frequency with a 50 per cent success rate of about 18MHz. The
optimum working frequency with a 90 per cent success rate will be around
14MHz. The best time to try this path will be between 1500 and 2100
hours. Sporadic-E should take place on most days with openings up to
144MHz possible. Statistically, June is the best month for openings on 2
metres via Sporadic-E.
And that’s all for this week from the propagation team.
-----------------
73
Trev,
SysOp gb7fcr.#16.gbr.eu
E-Mail trev@gb7fcr.co.uk
Packet Radio <-> InterNet Gateway
RF & Telnet access
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