"Signal" on 40M
I have recently been finding a signal, close to 3 KHz wide, seen in the attached image. It seems to have some "ON/OFF" characteristics that vary a good bit in the intervals. I finally realized I could check other Kiwi to see if it is heard elsewhere and indeed found it on two others. One in CA was very weak, one in TX was quite strong, but not as strong as here in NM.
It is just a curiosity but since it is currently sitting right around 7.030 MHz I do wonder about it. It had been running tonight for at least an hour, but seems to have gone QRT now. This was from around 6 PM to 7 PM local time this evening. It sounds like a "buzz" to my ears.
Any ideas on what this might be?