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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+RE\:\s+DLF\s+153\s+kHz\s+QRT\s*$/: 4 ]

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1. LF: RE: DLF 153 kHz QRT (score: 1): Author: Rik Strobbe <[email protected]>; Date: Fri, 19 Dec 2014 18:44:28 +0000; Hi Stefan, for the broadcasters LF (and MF) is the past. LF / MF transmitters and their antennas are very expensive to maintain and these days the audience is small. More and more LF / MF broadcast s; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-12/msg00166.html (20,193 bytes)
2. Re: LF: RE: DLF 153 kHz QRT (score: 1): Author: DK7FC <[email protected]>; Date: Fri, 19 Dec 2014 20:36:33 +0100; Hi Rik, At least there are many simple projects to run a local AM transmitter on 153 kHz from a Raspberry PI, to be received by an old, large, power consuming tube radio !!!!!!! :-) 73, Stefan PS: No; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-12/msg00169.html (14,674 bytes)
3. RE: LF: RE: DLF 153 kHz QRT (score: 1): Author: Rik Strobbe <[email protected]>; Date: Fri, 19 Dec 2014 22:23:32 +0000; Hi Stefan, any chance to use the Donebach antenna on 8.9kHz? Even at that frequency the radiation resistance might be close to 0.1 Ohm! 73, Rik ON7YD - OR7T Van: [email protected] [o; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-12/msg00173.html (15,277 bytes)
4. Re: LF: RE: DLF 153 kHz QRT (score: 1): Author: "Markus Vester" <[email protected]>; Date: Sat, 20 Dec 2014 00:51:01 +0100; Hi Rik, Stefan, back in 2002, some of us were given the rare opportunity to use the Donebach antenna for one summer afternoon (see emails below). At the time we also considered trying 8970 Hz there.; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-12/msg00174.html (19,744 bytes)

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