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Total 11 documents matching your query.

1. LF: RFI noise at 144 kHz exactly (score: 1): Author: Chris Wilson <[email protected]>; Date: Sat, 26 Nov 2016 10:17:55 +0000; 26 November 2016 I have been monitoring my noise on my receivers and the big issue is a constant, day and night, high level noise centred exactly on 144 kHz. Is this a frequency that is familiar to a; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00229.html (10,457 bytes)
2. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: David Hine <[email protected]>; Date: Sat, 26 Nov 2016 11:58:24 +0000 (UTC); /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00231.html (13,670 bytes)
3. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: John Rabson <[email protected]>; Date: Sun, 27 Nov 2016 11:22:48 +0100; I have just resumed monitoring 135 to 198 kHz and have noticed a fairly strong broad and constant signal on about 145 kHz which was not there last winter. It sounds rather like LORAN A (not C) but wi; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00246.html (12,602 bytes)
4. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: PA7EY <[email protected]>; Date: Sun, 27 Nov 2016 11:59:07 +0100; Chris, LF Screenshot of area around 144 KHz as received in Amsterdam. Inline afbeelding 1 Kind regards, Ulrich, PA7EY 2016-11-26 11:17 GMT+01:00 Chris Wilson <[email protected]>: 26 November 2016; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00248.html (12,811 bytes)
5. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: John Rabson <[email protected]>; Date: Mon, 28 Nov 2016 11:52:53 +0100; Alan, Thank you for your suggestions regarding tracking down the QRM, but this morning the signal on 145 kHz is no longer there. What I have noticed is that there is now an RTTY signal on 147 kHz abo; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00265.html (13,863 bytes)
6. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: LineOne <[email protected]>; Date: Mon, 28 Nov 2016 11:08:46 +0000; The RTTY on 147.3kHz is usually there, generally nothing else of consequence. 73, Hugh, M0DSZ Thank you for your suggestions regarding tracking down the QRM, but this morning the signal on 145 kHz is; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00268.html (12,895 bytes)
7. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: "Alan Melia" <[email protected]>; Date: Mon, 28 Nov 2016 12:51:09 +0100; Hi John yes there are Mil stations that come up sporadically with RTTY or GMSK. They are fairly narrow < 100Hz but the splurge that Chris reported seemed much wider....more like interference than a g; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00269.html (13,595 bytes)
8. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: David Hine <[email protected]>; Date: Mon, 28 Nov 2016 12:27:48 +0000 (UTC); /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00270.html (17,061 bytes)
9. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: Peter <[email protected]>; Date: Mon, 28 Nov 2016 18:12:51 +0100; Hi John, On 28.11.2016 11:52, John Rabson wrote: ... but this morning the signal on 145 kHz is no longer there. What I have noticed is that there is now an RTTY signal on 147 kHz ... DDH47 from Pinne; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00276.html (10,112 bytes)
10. Re: LF: RFI noise at 144 kHz exactly (score: 1): Author: John Rabson <[email protected]>; Date: Tue, 29 Nov 2016 09:22:21 +0100; Thanks Peter. I think I recall DDH47 from when it transmitted weather information on CW. It and WCC on 13033 kHz were two stations I used to keep my Morse speed up. John F5VLF [email protected]; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-11/msg00286.html (11,255 bytes)
11. Re[2]: LF: RFI noise at 144 kHz exactly (score: 1): Author: Chris Wilson <[email protected]>; Date: Mon, 5 Dec 2016 17:28:47 +0000; Hello PA7EY, Thanks to all who have replied, due to work and 2 sick dogs I have been over stretched and apologize for the late reply. Hopefully tomorrow will be a bit calmer and I can key a more wort; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-12/msg00093.html (12,157 bytes)

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