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Total 3 documents matching your query.

1. LF: Mystery signal on 137.000 (score: 1): Author: N1BUG <[email protected]>; Date: Wed, 12 Sep 2018 18:13:44 -0400; For several hours there has been a very strong carrier on 137.000 kHz. I have seen this before but only for an hour or two at a time. It has been there today for at least 8 hours, maybe longer as I d; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-09/msg00171.html (11,319 bytes)
2. Re: LF: Mystery signal on 137.000 (score: 1): Author: John Andrews <[email protected]>; Date: Wed, 12 Sep 2018 19:22:48 -0400; Paul, It's almost certainly CFH. It's been quite a while since they burned off the cobwebs on their 137 kHz setup. Was almost wondering if they gave up on the frequency. If they start modulating, I'd; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-09/msg00172.html (9,506 bytes)
3. Re: LF: Mystery signal on 137.000 (score: 1): Author: N1BUG <[email protected]>; Date: Wed, 12 Sep 2018 19:36:15 -0400; Thanks John, I have seen it at least three times before, sometimes with modulation, sometimes without. But only for an hour or two. It's strong enough here that I have to notch it or else it hinders; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-09/msg00173.html (13,313 bytes)

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