Cray Valley Radio Society

GB8KW at the club shack (day 2) - visitors welcome
2024-01-07, 2024-01-07 00:00 - 23:59 (Europe/London) | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom
The club will be open to visitors from 10 to 4 each day.

AFS Contest Datamodes
2024-01-14 13:00 - 17:00 | Eltham
80 and 40m, 1300-1700 RTTY and PSK63. Please come on and support the Club. rsgbcc.org/hf

Club meeting: Planning meeting for 2024
2024-01-18 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom

AFS Contest SSB
2024-01-20 13:00 - 17:00 | Eltham
80 and 40m 1300-1700. Please come on and support the Club. rsgbcc.org/hf

Club meeting: WRTC 2026 update - Mark M0DXR
2024-02-01 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom

Club meeting: bring along a rig, and tell us what you like about it
2024-02-15 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom
Social and technical evening.
Members can bring along their favourite radio (receiver, transmitter or transceiver) and display it.

Club meeting: Meshtastic - Justin G8YTZ
2024-03-07 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom

Foundation Licence training course - day 1
2024-03-16 08:00 - 17:00 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom

Club meeting: RSGB Presidential visit, and VHF DX talk by G0AFH
2024-03-21 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom
We will be visited by RSGB President John McCullagh, GI4BWM and RSGB Chairman Stewart Bryant, G3YSX. After an address and opportunity for a few questions, the meeting will continue with a talk on VHF DXing by Ian Burns, G0AFH.

Foundation Licence training course - day 2
2024-03-23 08:00 - 17:00 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom

Club Meeting: Raynet - Philip Williams G6AQP
2024-04-04 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom

Cray Valley RS AGM
2024-04-18 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom

Club meeting: ARISS and STEM - Hilderstone ARC
2024-05-02 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom

Club meeting: Construction project workshop
2024-05-16 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom
Social and technical evening. ALL club members are obviously welcome to the meeting on 16th May. Whether or not you’re participating in either of this year’s construction projects, please come along even if it’s just for the “social” part of the social & technical evening.
Assistance from members with technical skills is of course welcome. If you have easily transportable test gear that you think could be useful and you’re happy to muck in with troubleshooting and testing, please bring it along.

Club meeting: Starting out in FT8 - M0KUK
2024-06-06 19:30 - 21:30 | CVRS Clubhouse in Eltham, London, Eltham, SE9 2SD, United Kingdom
A talk by Jakub M0KUK

CVRS DF Hunt
2024-06-20 19:00 - 22:00 | Sydney Arms Pub, Old Perry Street, Chislehurst, Kent, BR7 6PL, United Kingdom
This event is being organised By Ewan 2E0HOE.
When:
∙ Thursday 20 June 2024
∙ Briefing at 7:30pm local time, first team will start straight after. The start and end times will be recorded.
Where:
∙ Sydney Arms Pub, Old Perry Street, BR7 6PL (Sidcup/Chislehurst border near Frogpool Manor. Halfway between Chislehurst War Memorial and Queen Mary’s Hospital)
∙ The pub has a car park and garden. Additional on-street parking is available and there is another car park nearby
∙ The recommended entrance for the hunt is almost opposite the pub, leading into Scadbury Park Nature Reserve
∙ The evening is social. Those not competing are welcome to attend… food/drink etc.
Car Park Entry requirements:
∙ Individuals or teams may enter in the same category. Members of a team may not split up ∙ No more than one receiver may be switched on at a time in each team
∙ Only conventional equipment may be used – antenna, attenuator, receiver etc. No doppler DF equipment permitted.
∙ GPS, mapping and magnetic compass equipment are all permitted
Equipment minimums:
∙ A receiver (or transceiver) for 2m FM, (battery operated/portable). A radio with a built in S meter makes things easier but isn’t essential. Choosing a ‘selective’ radio will help. Cheap radios, many Baofeng being an example, will struggle when overloaded by strong adjacent signals. The effectiveness of your equipment’s internal screening/shielding is also important when close to a transmitter
∙ The receiver should be capable of tuning to a Beacon transmitters at 25kHz spacing at the top end of 144MHz. They will periodically identify in CW/Morse with a tone modulated onto an FM carrier – G3RCV . There is no requirement to be able to decode the CW as there will only be one transmitter – ∙
∙ A portable directional antenna. The transmitters are vertical polarisation. 3 element tape measure YAGIs are a popular antenna choice – many designs are published online
∙ Attenuator. Switched/stepped versions work well
∙ Sturdy footwear for woodland paths.
∙ Clothing appropriate for the weather – rain or shine!
∙ Torch (depending on your start time)
∙ A pen/pencil and any other stationery items
What to expect:
∙ Start times will be informal
∙ Start and stop times will be recorded at the pub
∙ There will be one transmitter to be found. it will not be visible from paths, but easier to spot up close, around head height, marked with an A4 laminated sign
∙ A ‘codeword’ should be recorded to prove that you found the transmitter
∙ Your end time will be noted when the last member of your team passes through the door/gate of the pub
Additional info:
∙ If you have hunting equipment to loan, please let me know (contact number below). I have one set to loan
∙ If you are happy to host a DF novice in your team, please let me know (contact number below)
∙ If you’re new to direction finding and you’d like to join an existing team, please let me know (contact number below)
∙ If you would like to borrow equipment, please let me know (contact number below).

∙ Do you like a project?! Why not build a tape-measure Yagi? Maybe even a switched attenuator? Or, if you’re looking to ‘up-your-game’, how about an “offset attenuator”?
All questions to Ewan Kimmins 2E0HOE – mobile: 07397 077757

GB2CM at Crossness
2024-06-23 08:00 - 17:00 | Crossness Museum, Bazalgette Way, London, SE2 9AQ, United Kingdom
GB2CM will be operational from 10am as part of Museums on the Air weekend. This is also a steaming day at Crossness – come and see Prince Consort engine in steam!
Setup will be from 8am. There will be an HF station on 80-10m and VHF operating 2m FM, and 6m if there is any sporadic E propagation.
See the Crossness Site https://crossness.org.uk/
