Hello Gerhard, glad to read about your experiments. I'm looking forward to see your first trace on one of our grabbers! That's an interesting note about the sound from the antenna wire. I didn't noti
Hello group ! Among others, I'm experimenting on VLF. Today, I applied about 70W on my 16m high Marconi. The loading coil is a Variometer (460-580mH) and the capacitive load of the antenna is about 6
Gerhard if the "noise" is corona, as it could well be, this is power (ERP) loss (insulator loss) You may be able to reduce it my putting corona "rings" on the ends of your wires. This effectively giv
Hello group! Thanks to Alan, Markus and Laurence for the answers: Markus stated it could be an "inverted field-mill" effect: As far as I can imagine, then the wire itself is vibrating, thus the sound
[...] Regarding the cats' hearing, I can definitely confirm your observation. Our two cats didn't seem to be bothered by the transformer or coil noise at all. They were simply inspecting the hardware
Laurence Thanks for the info on the Siple operation. Was stumbling through the logs and found a curious entry for 17 NOV ... reference made to "Haflers". Hmmm! Fascinating stuff. Jay W1VD WD2XNS WE2X
I was fortunate to be working in Antarctica for a number of years and visted Siple station just after they reopened the base in 1978 (closed for a prior season or so due to a Hepatitis outbreak... wh
Hi Dex! Thank you, this is all I hoped for! I gave your greetings to uncle Nicola. 73 OE3GHB Gerhard Am Samstag, den 20.11.2010, 11:53 -0500 schrieb Dexter McIntyre W4DEX:
