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Old September 27th 18, 10:38 PM posted to,,,,
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Default [SADARS] 27 Sept 2018 - A Historic CW Attempt from Henlow Signals Museum


27 Sept 2018 - A Historic CW Attempt from Henlow Signals Museum

Posted: 27 Sep 2018 09:21 AM PDT

Andy (L) and Victor at work¬* ¬* Photo by Paul, G1GSN, 20 Sept. 2018

At the invitation of The Curator Alf Fisher G3WSD, Shefford Club members
visited The Henlow Signals Museum to attempt a CW contact with 95 year old
Bram Grisnigt in the Netherlands. Bram, known during WW2 as St. Patrick of
Dutch Intelligence wanted to repeat a contact with the UK made seventy-five
years ago to the day when he was dropped into occupied Holland by a flight
from RAF Tempsford.

With Victor, G3JNB on the key and Andy, G4DAQ standing by as second op,
trial contacts were successfully made on 40m. However, on the actual day of
the memorial contact (Thurs. 20 September) 40m was not up to the
propagation needed for such short skip. Overall direction of the event was
being co-ordinated by the Amsterdam Dutch Resistance Museum and a change to
80m was tried. Brams message was copied at Duxford who had managed to have
an 80m aerial in use.

The event was televised and shown by the BBC breakfast show on 26 Sept.
Bram said he could still remember the code, although he had slowed down a

Bram practising with the Paraset

20 Sept. 2018 - The Porthcurno Telegraph Museum by David, G8UOD

Posted: 27 Sep 2018 09:11 AM PDT

David told the group where the museum was located and some of the pitfalls
with the local roads. He told of the history of the site and the different
companies that had used the site from 1870.

There was a demonstration on how the Cook and Wheastone telegraph machine
worked and also how positive and negative morse code was used.

David explained how tunnels were built to meet the needs of the war effort
and the work that was carried out in them.

Cable types used were explained and the types of cable ships used.

he explained how the museum provides demonstrations of different types of
telegraph machines and how children are catered for with simple system for
them to try.

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