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301. LF: G -CT QSO (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Mon, 22 Jan 2001 12:57:48
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00368.html (8,367 bytes)

302. Re: LF: Qrss this morning (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Mon, 22 Jan 2001 10:37:45
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00369.html (8,270 bytes)

303. Re: LF: Handy receiver for 136kHz... (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Fri, 19 Jan 2001 18:09:28
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00438.html (9,253 bytes)

304. Re: LF: Receiver insensitivity (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Fri, 19 Jan 2001 14:06:01
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00448.html (8,758 bytes)

305. Re: LF: Loading Coils (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Fri, 19 Jan 2001 10:58:24
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00454.html (9,977 bytes)

306. Re: LF: Caged Coils (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Fri, 19 Jan 2001 10:23:29
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),
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00456.html (9,324 bytes)

307. Re: LF: Dipole antenna at LF (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Thu, 18 Jan 2001 16:58:06
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00474.html (10,851 bytes)

308. Re: LF: Dipole antenna at LF (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Thu, 18 Jan 2001 17:00:02
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00477.html (10,571 bytes)

309. Re: LF: Dipole antenna at LF (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Thu, 18 Jan 2001 14:41:19
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00480.html (11,099 bytes)

310. Re: LF: Caged Coils (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Thu, 18 Jan 2001 14:27:19
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.
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00481.html (9,308 bytes)

311. LF: In-Reply-To: <[email protected]> (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Thu, 18 Jan 2001 10:38:44
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00492.html (8,777 bytes)

312. Re: LF: More on last weekend (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Tue, 16 Jan 2001 17:51:38
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00531.html (9,923 bytes)

313. LF: VE1ZZ and others (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Mon, 15 Jan 2001 12:14:25
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00560.html (9,902 bytes)

314. Re: LF: Weekend tests (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Thu, 11 Jan 2001 12:54:42
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00661.html (10,496 bytes)

315. Re: LF: qrss dot length (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Thu, 11 Jan 2001 11:55:01
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 ,
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00663.html (8,651 bytes)

316. Re: LF: Re. QRSS Proceedure (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Wed, 10 Jan 2001 10:38:57
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00692.html (10,040 bytes)

317. Re: LF: Re. QRSS Proceedure (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Tue, 09 Jan 2001 16:53:01
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00717.html (9,113 bytes)

318. Re: LF: stns rcvd/cont by dj8wx (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Tue, 09 Jan 2001 15:11:47
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00721.html (13,303 bytes)

319. Re: LF: Loading coils / Measuring receivers (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Tue, 09 Jan 2001 14:25:18
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)
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00725.html (9,487 bytes)

320. Re: LF: Bonfires (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Mon, 08 Jan 2001 17:49:02
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
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00758.html (9,261 bytes)


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