Congrats to Brian and Peter for the achievement. Brain, would it be possible to announce your LF activity via the reflector. I'm sure you would have a large audience. 73, Rik ON7YD
Qrss yesterday: DK8KW (getting louder!) 73 de Ko, NL9222. Can confirm that, he was several dB's stronger than before. What improvement did you make Geri ? 73, Rik ON7YD
Hello Richard, Dick, PA0SE, has developed a small receiver using a ferrite rod antenna. Maybe you can use it to locate QRM sources. Download (as WORD document) : http://www.veron.nl/tech/lf/fsm/pa0se
Peter, in case the noise source turns out to be local it can help a lot to have the antenna, including matching device, at a remote spot (back yard) and go with a well shielded. coax to the shack. I
Hello Roger, I hadn't thought of the loading coil that way (never too old to learn ...). It sounds interesting to me as my loading coil consists of 3 parts : - a 2.5mH coil at the top of the vertical
Hi Dave, You're absolutely right about experimenting. If hams hadn't done that in the past we wouldn't have discovered the propagaton possibilities on HF (when we were banned above 100m in the 20's),
Hello Mike, When I got it correct you ran a long (fence) wire as a monopole against ground. I believe that a dipole could have a very different behaviour. With a monopole use the ground as counterwei
Hi Larry, interesting. Especially as some of us recently experienced that wet stuff absorbs a lot of RF. What frequencies were used at MF ? 73, Rik ON7YD Many years ago I did read somwhere an article
Hi Andy, Very interesting idea. Many years ago I did read somwhere an article about horizontal dipoles used in the desert that were just laying on the sand. But I cannot remember where I did read it
At 10:15 18/01/01 -0000, G3KEV wrote: ... The antenna loading coil is an integeral part of the actual antenna system and needs to be placed UNCAGED under the antenna vertical for maximum efficiency.
Hello group, Last night (17-01-01, 23UT) I could copy the OM2TW beacon on 136300 with 429 and some QSB. Not bad at all for only 50W. Had a look for Larry's dashes over the last nights, but no positiv
That would make Larry's locator FN14SQ and the distance to Ko 5736km. Rik ON7YD At 10:19 16/01/01 -0500, you wrote: At 10:38 AM 1/16/01 -0000, you wrote: I have calculated the locator of Larry, VA3LK
Hello group, quite an exciting weekend on LF. Friday : Rather poor condx, but fortunately also QRM level was low. VE1ZZ was copied 'M' here at several moments during the evening (between 20 and 23 UT
Hello, In case signals get strong enough here I will transmit on 135965. In case VE1ZZ/ZJ are familiar with DFCW I can try 10 sec/dot DFCW at 2Hz shift (so using the frequencies 135965 and 135967), s
WPM (Words Per Minute) is based on the 'PARIS' system, where PARIS is taken as a standard word that has a length of exactly 50 dots (including word spacing). As a result 1 WPM = 50 dots per minute ,
PS : no need for spaces, so 'OOO' instead of 'O O O' However, 'TTT' would need spaces, otherwise it might be confused with 'O' sent once, as some are suggesting could be the procedure. Alan, G3XZX No
Hi Laurie, There are just 3 'levels' : T (unreadable), M (not 100% readable but sufficient for QSO) and O (100% readable). Most operators repeat the signal 3 times ro ensure that the other station g
Hallo Uwe, noch immer keine Liste (9 jan um 13.15 UT). Ich habe mir mahl die HTML Code angeschaut und glaube das ein </body> mitten in der Code die Ursache ist. 73, Rik ON7YD PS : HTML Code anbei (DJ
At 15:06 8/01/01 -0500, you wrote: ... probably not the one you would call Litz-wire for RF applications, but in German, if it one single wire it is called "Draht" (which is the German word for wire)
I have my loading coils in the open air since early 1998, no humidity problems so far (fingers crossed). All coils are wound on 'plastic' tubing. But I have masses of 'alive' wood surrounding the ant
