One thing that sometimes happens is inadvertently leaving TX on the DX frequency. Could that have occurred?
George J. Molnar @GJMolnar > On Nov 26, 2016, at 12:00 PM, flexradio-requ...@flex-radio.biz wrote: > > Send FlexRadio mailing list submissions to > flexradio@flex-radio.biz > > To subscribe or unsubscribe via the World Wide Web, visit > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > or, via email, send a message with subject or body 'help' to > flexradio-requ...@flex-radio.biz > > You can reach the person managing the list at > flexradio-ow...@flex-radio.biz > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of FlexRadio digest..." > > > Today's Topics: > > 1. Re: Question about TX harmonics (Ray Andrews, K9DUR) > 2. Re: Question about TX harmonics (GARY HUBER) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 25 Nov 2016 13:14:39 -0500 > From: "Ray Andrews, K9DUR" <k9...@k9dur.info> > To: flexradio@flex-radio.biz > Subject: Re: [Flexradio] Question about TX harmonics > Message-ID: <15c57b48-31f9-2bff-849f-b3af0ef26...@k9dur.info> > Content-Type: text/plain; charset=windows-1252; format=flowed > > Mark, > > 1.2 kHz down would be an image response of your xmt signal if the > sidetone frequency is the default value of 600 Hz -- as if the opposite > sideband was not being suppressed. > > You did not say what type of radio. IF FLEX-1500, FLEX-3000, or > FLEX-5000, try doing a reset to factory defaults. Starting with a clean > database cures a myriad of ailments. > > 73, Ray, K9DUR > http://k9dur.info > > > > > > ------------------------------ > > Message: 2 > Date: Fri, 25 Nov 2016 18:30:57 +0000 > From: GARY HUBER <glhu...@msn.com> > To: "flexradio@flex-radio.biz" <flexradio@flex-radio.biz> > Subject: Re: [Flexradio] Question about TX harmonics > Message-ID: > > <cy1pr0501mb1452f5ac6c37838140aaec13a6...@cy1pr0501mb1452.namprd05.prod.outlook.com> > > Content-Type: text/plain; charset="Windows-1252" > > Mark, I no longer have your original message, but if the "spur" was 1.2 > kHz as I recall, I'm wondering if you have a local AM broadcast station > which may have mixed in your final. I have seen sum and difference > products from local transmitters mixing in a transmitter result in > "spurs". Sometimes it is a matter of running intermod calculations on > the local transmitters, identifying what is getting into your PA and > then filtering them to prevent further problems. I'm not say its one > transmitter, it could be two or more or it may not even be a mixing > problem... just a thought outside the box. > > 73 ES DX, > Gary - AB9M > >> On 11/25/2016 11:47 AM, Mark Lunday wrote: >> Thanks Patrick. >> >> It was two stations about 700 miles away in different directions. >> >> Instead of harmonic, I should have said Spur. I shall open a ticket with >> Flex. >> >> Mark Lunday, WD4ELG >> Greensboro, NC FM06be >> wd4...@arrl.net >> http://wd4elg.blogspot.com >> >> >> -----Original Message----- >> From: FlexRadio [mailto:flexradio-boun...@flex-radio.biz] On Behalf Of >> Patrick Greenlee >> Sent: Friday, November 25, 2016 8:27 AM >> To: flexradio@flex-radio.biz >> Subject: Re: [Flexradio] Question about TX harmonics >> >> Mark, Harmonics are integral multiples of your frequency so whatever was >> happening it wasn't a harmonic of your signal. >> >> How close was the reporting station to your QTH? Strange things happen when >> someone experiences fundamental overload of their receiver. If able, >> arrange to have a look at your emissions on a good spectrum analyzer. It >> might not be something you are emitting but something created in his >> receiver. >> >> One time in the early 60's I was reported to the FCC as causing TVI. I had >> a 2nd class licensee prepare a fact finding report in response to "The >> Letter" from the FCC. I was putting out a very clean 3 Watts on the CB band >> and the "ancient" TV I was interfering with had an IF with band width >> covering the CB freqs. I was transmitting directly into one of the TV >> receiver's IF circuits. Solution: Hey dude, get a more modern TV. End of >> story. >> >> >> >> _______________________________________________ >> FlexRadio Systems Mailing List >> FlexRadio@flex-radio.biz >> To opt out of the Reflector: >> http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > FlexRadio Systems Mailing List > FlexRadio@flex-radio.biz > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > > ------------------------------ > > End of FlexRadio Digest, Vol 139, Issue 3 > ***************************************** _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz To opt out of the Reflector: http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz
