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Total 258 documents matching your query.

201. Re: LF: 136 (score: 1)
Author: "Hans-Joachim" <[email protected]>
Date: Sat, 18 Aug 2001 18:55:38 +0200
I have heard him well 569 in QTH JN68GN (eastern Bavaria) but could not raise him with my 75 watts output, sri. QRN here has been very low this morning, about S2 only. I have understood that the ante
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-08/msg00083.html (8,465 bytes)

202. Re: LF: Voyez le Brick (score: 1)
Author: "Hans-Joachim" <[email protected]>
Date: Fri, 17 Aug 2001 22:50:42 +0200
Dear all, concerning the german contribution of Alberto I must confess that I have never heard it before (in spite of regarding it quite amusing). I can only remember the german phrase: Kaufen Sie je
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-08/msg00090.html (10,005 bytes)

203. Re: LF: deaf!! (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: Wed, 26 Sep 2001 23:12:21 +0200
At first I have had the same impression when he became qrv, but finally he could hear my 75 watts from eastern Bavaria 549 - with a receiving loop!! It seems to be difficult to listen on LF with good
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-09/msg00037.html (9,072 bytes)

204. Re: LF: DBF39 off the air (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: Fri, 14 Sep 2001 01:42:42 +0200
In Germany it had been shown some years ago that high power transmitters have a form of self protection against planes: The plane may crash down before due to severe internal EMC problems!! 73 Ha-Jo,
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-09/msg00117.html (8,851 bytes)

205. Re: LF: Multi-layer loading coils (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: Wed, 31 Oct 2001 01:46:52 +0100
Dear all, concerning multi versus single layer coils I have been informed by DJ2EY who employs two coils of different diameter as a variometer that the Q of the total coil is less when the smaller co
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-10/msg00014.html (11,294 bytes)

206. Re: LF: RE: Measuring Q (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 24 Nov 2001 05:35 GMT
Dear Dexter, your question has not yet been answered here: No, the complete antenna system is also damped by the ground loss resistance which usually is much higher than the coil series loss resistan
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-11/msg00143.html (8,341 bytes)

207. Re: LF: Measuring Q (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 21 Nov 2001 14:19 GMT
Dear all, I have measured the loss of my aerial variometer with the same resistive bridge which I use to measure the feedpoint resistance of my LF arial (two resistors 150 ohms from the feed point to
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-11/msg00239.html (12,099 bytes)

208. Re: LF: Just in [too late] (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 13 Dec 2001 17:30 GMT
Dear all, in Munich we were sparking the "soft way": During a speech by DJ3YB about the development of radio I had the chance to demonstrate a spark transmitter simulator constructed already in the e
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-12/msg00371.html (11,902 bytes)

209. Re: LF: 135.78 khz (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 25 Feb 2002 12:09 GMT
Dear all, in southeastern Bavaria (JN68GN) I can also hear this carrier (obviously unmodulated, constant CW beat) here RST 599 most of the time (138.8 kHz here is 59 +30dB). Having not heard into the
/rsgb_lf_group-archives/html/rsgb_lf_group/2002-02/msg00026.html (8,780 bytes)

210. RE: LF: Good capacitance/inductance meter... (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 20 Apr 2002 22:21 GMT
Dear AADE LC Meter IIB users, I am also very fond of this nice LC Meter but I have a question: When I have pressed the button for measuring inductors and the circuit is open, the meter reads: "Not an
/rsgb_lf_group-archives/html/rsgb_lf_group/2002-04/msg00084.html (11,327 bytes)

211. Re: LF: IEE Paper (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 24 Jul 2002 10:50 GMT
Dear Andy, please do not forget to mention that "the modern achievements of wire bound telecommuinications techniques" and the amount of unwanted radiation which is going to become generally accepted
/rsgb_lf_group-archives/html/rsgb_lf_group/2002-07/msg00083.html (11,151 bytes)

212. Re: LF: Re: Activity from DLF´s 360m mast (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 16 Jul 2002 12:41 GMT
To the DL LF group concerning Donebach: Don't be discouraged! Why we should not experience such an event, such an opportunity? 73 Ha-Jo, DJ1ZB "HighGain" <[email protected]> schrieb: Hello LF'ers, And
/rsgb_lf_group-archives/html/rsgb_lf_group/2002-07/msg00172.html (9,785 bytes)

213. Re: LF: toroid cores (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 23 Aug 2002 18:08 GMT
Dear Rik, as my intention had been to design a transformerless PA, I have just two coils in the "peaked low-pass filter" (one coil with two T200-2 stacked because of higher reactive power in this par
/rsgb_lf_group-archives/html/rsgb_lf_group/2002-08/msg00032.html (9,442 bytes)

214. Re: LF: Oscillator Stabilty for QRSS? (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 13 Aug 2002 23:57 GMT
Dear Steve, I myself have not bothered too much about the stability of my crystal mixer vfo because I am using it for normal CW only. But DJ2EY recently reported to me that he had also built my built
/rsgb_lf_group-archives/html/rsgb_lf_group/2002-08/msg00089.html (9,684 bytes)

215. Re: LF: the bucket (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 25 Sep 2002 12:22 GMT
Hi all, I would not have violated the garden world of my wife. If I had the idea to build a variometer this way, I would have bought my own bucket for such an application. Due to different logics the
/rsgb_lf_group-archives/html/rsgb_lf_group/2002-09/msg00060.html (9,544 bytes)

216. Re: LF: Notch for DCF39 (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 17 Jan 2003 12:35 GMT
Hi all, as I had to design a group-delay controlled band-pass filter once, needing two pole circuits at both sides of the pass-band I have also been designing such a filter for the amateur LF band us
/rsgb_lf_group-archives/html/rsgb_lf_group/2003-01/msg00112.html (10,396 bytes)

217. Re: LF: Rugby Radio (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 09 Apr 2003 20:46 GMT
Dear Walter, I would also like to receive a copy of the "Rugby Story". 73 Ha-Jo, DJ1ZB "Walter Blanchard" <[email protected]> schrieb: There is an excellent article detailing the history and giving a
/rsgb_lf_group-archives/html/rsgb_lf_group/2003-04/msg00223.html (8,623 bytes)

218. LF: Re: LF station in Bavarian Mountains (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 24 Jul 2003 19:05 GMT
Dear Group, as far as I know, living in eastern Bavaria, just a few concrete blocks can be found on the mountains mentioned, which have carried the antenna wires. For more details I guss I had to con
/rsgb_lf_group-archives/html/rsgb_lf_group/2003-07/msg00026.html (13,990 bytes)

219. Re: LF: Dummy-Load on LW (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 11 Nov 2003 23:45 GMT
Dear all, around 1959, when I joined Rohde&Schwarz in Munich, 60 ohms has been the standard cable impedance in Germany for all broadcast and television transmitters in the fifties and for other comme
/rsgb_lf_group-archives/html/rsgb_lf_group/2003-11/msg00064.html (10,912 bytes)

220. LF: Re: Dummy loads for LF (score: 1)
Author: "Hans-Joachim Brandt" <[email protected]>
Date: 08 Nov 2003 01:32 GMT
Dear all, for the time being I am using a dummy load made of ten low inductivity DALE resistors Type NH-50, 499 ohms each, in parallel on a large aluminum cooler (the fins of which could even be imme
/rsgb_lf_group-archives/html/rsgb_lf_group/2003-11/msg00065.html (9,930 bytes)


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