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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*VLF\:\s+IW4DXW\s+8270\.003\s+Hz\s*$/: 16 ]

Total 16 documents matching your query.

1. VLF: IW4DXW 8270.003 Hz (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Tue, 2 Oct 2018 20:07:16 +0200; Hi VLF, I'm putting on air a continuous carrier started at 17:30 UTC. Current is about 570 mA on my inverted "L". As usual, reports are welcome. All the best 73 de Riccardo IW4DXW; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00027.html (8,355 bytes)
2. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Wed, 03 Oct 2018 16:32:53 +0200; Ciao Riccardo, Thanks for the signal. Somehow i did not see it on my grabber. I analysed 6 hours starting 21 UTC, for the N-S loop and the E field (separately) but i don't get a significant SNR. Did; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00030.html (9,259 bytes)
3. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Wed, 3 Oct 2018 17:14:44 +0200; Yes, Stefan: I'm still on air. My working conditions are the same they were in my last VLF transmissions (7-13 May). How about noise? Thanks for report. 73 de Riccardo IW4DXW Il Mer 3 Ott 2018, 16:36; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00031.html (10,574 bytes)
4. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Markus Vester <[email protected]>; Date: Wed, 3 Oct 2018 15:32:31 +0000 (UTC); Unfortunately no significant trace at IK1QFK, DL0AO or DF6NM either. However Paul's spectrogram did show a feeble signal in the wee hours of the morning so something must have been getting out. Best; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00033.html (11,473 bytes)
5. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Thu, 04 Oct 2018 00:02:54 +0200; Hi Riccardo, The noise at night has not been unusual high. Today it was very quiet in daytime however. Ich searched for your signal in daytime, from 6...16 UTC: N-S loop: 15.45 dB in 27.9 uHz E-W loo; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00036.html (11,835 bytes)
6. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Thu, 4 Oct 2018 00:30:55 +0200; Hi Riccardo, The noise at night has not been unusual high. Today it was very quiet in daytime however. Ich searched for your signal in daytime, from 6...16 UTC: N-S loop: 15.45 dB in 27.9 uHz E-W lo; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00038.html (12,748 bytes)
7. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Thu, 04 Oct 2018 21:20:56 +0200; Hi Riccardo, now i switched to the N-S loop in the 424 uHz window. It may give the best result in the spectrogram. If you like to try a message, don't hesitate :-) 73, Stefan Am 04.10.2018 00:30, sch; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00044.html (13,984 bytes)
8. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Thu, 4 Oct 2018 21:43:54 +0200; Hi Riccardo, now i switched to the N-S loop in the 424 uHz window. It may give the best result in the spectrogram. If you like to try a message, don't hesitate :-) 73, Stefan Am 04.10.2018 00:30, sc; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00045.html (14,892 bytes)
9. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Fri, 5 Oct 2018 08:13:14 +0200; Hi Riccardo, now i switched to the N-S loop in the 424 uHz window. It may give the best result in the spectrogram. If you like to try a message, don't hesitate :-) 73, Stefan Am 04.10.2018 00:30, sc; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00047.html (15,829 bytes)
10. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Fri, 5 Oct 2018 15:00:06 +0200; Hi Riccardo, now i switched to the N-S loop in the 424 uHz window. It may give the best result in the spectrogram. If you like to try a message, don't hesitate :-) 73, Stefan Am 04.10.2018 00:30, sc; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00052.html (16,873 bytes)
11. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Paul Nicholson <[email protected]>; Date: Fri, 5 Oct 2018 22:23:04 +0000; No decode, correlation Eb/N0 = -5.8 dB; Decoded, Eb/N0 = -0.3 dB, S/N -62.61 dB in 2.5kHz; No decode on this one. -- Paul Nicholson --; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00059.html (11,574 bytes)
12. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Sat, 6 Oct 2018 02:12:49 +0200; No decode, correlation Eb/N0 = -5.8 dB; Decoded, Eb/N0 = -0.3 dB, S/N -62.61 dB in 2.5kHz; No decode on this one. -- Paul Nicholson --; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00061.html (12,731 bytes)
13. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Sat, 06 Oct 2018 08:21:36 +0200; Hi Riccardo, Congrats to the decode. Here i also focused on the message starting 06:30 UTC. So far no decode but i spent most of the time to find the best antenna mixing for a cardioid. I'll keep try; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00063.html (13,583 bytes)
14. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Sat, 06 Oct 2018 17:05:02 +0200; Hi Riccardo, I also got your 06:30 transmission: found rank 0 ber 3.9497e-01 Eb/N0 0.9 M -1.385156938e-04 ph 5 150,150,150,150 [IW4DXW] carrier phase: -3.4 deg carrier Eb/N0: 0.9 dB carrier Es/N0: -1; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00067.html (12,634 bytes)
15. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Sat, 6 Oct 2018 18:13:18 +0200; Hi Riccardo, I also got your 06:30 transmission: found rank 0 ber 3.9497e-01 Eb/N0 0.9 M -1.385156938e-04 ph 5 150,150,150,150 [IW4DXW] carrier phase: -3.4 deg carrier Eb/N0: 0.9 dB carrier Es/N0: -; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00068.html (14,591 bytes)
16. Re: VLF: IW4DXW 8270.003 Hz (score: 1): Author: DK7FC <[email protected]>; Date: Sat, 06 Oct 2018 20:48:24 +0200; Hi Riccardo, Am 06.10.2018 18:13, schrieb Riccardo Zoli: The experiment will be portable with a very simple equipment: a 12V 60Ah lead-acid battery (pretty heavy, but i'm considering to buy a LiFePO4; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00069.html (15,561 bytes)

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