Kurt, N3JTW, alerted me to an excellent article on the blog site of the Dutch magazine Elektor. It is about a major flood in the Netherlands in 1953. Cut off from the mainland and without communication gear, OM Hossfeld whipped up the transmitter pictured above and set up a vitally important communications link. He used an 807 tube in the final. 10 Watts out on 15 meters. Note the coil wound on the bottle. The call was PA0ZRK. FB!Here's the link: http://theelectronicball.blogspot.com/2009/10/radio-to-rescue.html
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This is cool.
ReplyDeleteI Know Peter Hossfeld,he was a technician bij fa Weltevreden.He bild the improved transmitter same with tecnissan student Cees Koopman,the later founder of Delta Elektronika in Zierikzee.The manufactor of the femus Power Supples.
ReplyDeleteThe 807 tube was bringing in bij the Royal Dutch telecomm comp.,Jaap Lefévre. The antenna power was not 10, buth about 50 Watts.
T.W.Rosmolen Zierikzee, the Netherlands.