- 1. [RFI] 40M QRM/RFI (score: 1)
- Author: Randall K Martin <rkmassoc@comcast.net>
- Date: Fri, 12 Jan 2018 13:24:09 -0700
- I have recently noticed a 24-hour per day source of QRM on 40M CW. On 7031.9 there is a steady stream of dashes, with the dash lasting about 1.5 seconds and then a space of 0.5 seconds. What is inter
- /archives//html/RFI/2018-01/msg00013.html (7,740 bytes)
- 2. Re: [RFI] 40M QRM/RFI (score: 1)
- Author: Randall K Martin <rkmassoc@comcast.net>
- Date: Fri, 12 Jan 2018 14:44:22 -0700
- I am fairly certain that one of the houses has a security system installed. Do these generally have some kind of main control unit that I could have him unplug as an easy test, or is it more involved
- /archives//html/RFI/2018-01/msg00016.html (9,707 bytes)
- 3. [RFI] Emergency Radio and Earbuds (score: 1)
- Author: Randall K Martin <rkmassoc@comcast.net>
- Date: Sat, 17 Feb 2018 10:26:20 -0700
- Just follow the link that was provided in the first email: A true companion, the Memorex FlexBeats AM/FM Pocket Radio is completely portable, fitting nicely into a pocket, purse or backpack. Tune in
- /archives//html/RFI/2018-02/msg00061.html (7,019 bytes)
- 4. [RFI] SO2R 2nd Harmonic Interference (score: 1)
- Author: Randall K Martin <rkmassoc@comcast.net>
- Date: Sat, 29 Sep 2018 14:52:27 -0600
- I have been trying to solve an interference problem for quite a while here at my QTH. Symptom is that when I transmit on 40M CW, even at QRP power levels using bandpass filters and transmitting stubs
- /archives//html/RFI/2018-09/msg00043.html (7,681 bytes)
- 5. Re: [RFI] SO2R 2nd Harmonic Interference (score: 1)
- Author: Randall K Martin <rkmassoc@comcast.net>
- Date: Sat, 29 Sep 2018 16:55:45 -0600
- Grant, Thanks for the recommendation of Battery MINDer products. Jim, thanks for your input. I did find a transformer type wall wart with same specs as his charger (12V 750 ma). I was going to swap i
- /archives//html/RFI/2018-09/msg00047.html (7,781 bytes)
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