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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*ELF\:\s+Carrier\s+on\s+22\.97\s+Hz\s*$/: 6 ]

Total 6 documents matching your query.

1. ELF: Carrier on 22.97 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Thu, 07 Feb 2019 17:05:43 +0100; Hi ELF ;-) I'm glad to announce that since 15:46 UTC i am transmitting on ELF (the real ELF, i.e. into the range of 3...30 Hz, ITU radio band 1 ) for the first time ever. Here are the parameters: TX; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-02/msg00060.html (9,556 bytes)
2. Re: ELF: Carrier on 22.97 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Thu, 07 Feb 2019 19:54:49 +0100; ...wow, after analysing the first 90 minutes of the transmission i found that the best SNR is achieved without sferic blanking! So then the hum filter and the low pass filter can be disabled too. So; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-02/msg00063.html (10,911 bytes)
3. Re: ELF: Carrier on 22.97 Hz (score: 1): Author: Dimitrios Tsifakis <[email protected]>; Date: Fri, 8 Feb 2019 09:15:10 +1100; Hi Stefan, that's insane! What's the purpose of the DC offset of 7.5 kV? Is the antenna tuned (unlikley) or you are just applying the volts from a voltage amplifier? Hope the antenna is well insulate; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-02/msg00066.html (10,774 bytes)
4. Re: ELF: Carrier on 22.97 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Fri, 08 Feb 2019 09:24:04 +0100; Hi Dimitris, ELF, Well, The day has started here, the carrier is still there, the antenna current is stable, the tree has still enough solar energy, i have some coffee here, it looks a bit blue on th; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-02/msg00067.html (15,603 bytes)
5. Re: ELF: Carrier on 22.97 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Wed, 13 Feb 2019 08:12:51 +0100; Hi ELF, Attached is the resulting spectrogram of the post-processing of the carrier transmission, using optimised filter and blanker parameters. The trace is something like 'O copy' in 212 uHz. It wa; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-02/msg00114.html (11,260 bytes)
6. Re: ELF: Carrier on 22.97 Hz (score: 1): Author: Daniele Caccia <[email protected]>; Date: Wed, 13 Feb 2019 12:19:18 +0100; Hi ELF, Attached is the resulting spectrogram of the post-processing of the carrier transmission, using optimised filter and blanker parameters. The trace is something like 'O copy' in 212 uHz. It w; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-02/msg00116.html (12,465 bytes)

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