The 2.5 min/cycle seems fast, but my first thought is someone got a new
fancy high tech high efficiency furnace near you.
Many of them have been known to be extremely noisy RF wise.
Joe WB9SBD
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On 1/17/2024 6:58 AM, Thomas Hoyer via RFI wrote:
I normally have S5-S7 noise on 160m but recently I now have +20dB noise that
seems to cycle at approx 2.5 minute on/off cycles. I was not active on 160 in
December but it wasn't there in Nov and I just noticed it in the last week or
so, so I really can't pin point when it started.
As an example, W1AW code practice at 1802.5 is typically 20 of S9 here. When
the noise comes on it wipes out W1AW.
Thoights?
TomW3TA
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