I doubt VTR is mixing with a station 230 miles away On Thu, Nov 19, 2020 at 2:50 PM FRED BELGHAUS <fbelgh...@gmail.com> wrote:
> 3rd harmonics of NDBs can be a real problem on the 160 meter amateur band > also. > Several have caused QRM (interference) to stations there, and had to be > shut down > temporarily for repair. The NDB transmitters are rather primitive > affairs, without much > attention paid in design to spurious or harmonic generation. > > Incidentally, VTR is more likely mixing with the carrier of KFQD in > Anchorage on 750 kHz, > and producing output on 1050. > > 73, > > Fred W2AAB > > On Thu, Nov 19, 2020 at 2:38 PM Paul B. Walker, Jr. < > walkerbroadcast...@gmail.com> wrote: > >> No wonder I can hear the local airport Beacon on it’s 3rd harmonic! VTR, >> On 350khz is 1000 watts and it’s maybe 1/4 mile away! Most beacons are a >> 25/50 watts, maybe a few hundred. >> >> >> I can hear it on 1050khz! Here’s a clip of CJNB 1050 North Battleford, >> Saskatchewan 2000 or so miles away on my CC Skywave portable... and you’ll >> hear the beeep beeep beep of the beacon under the music. >> >> >> I’m told the Beacon is so powerful because of the flight path >> international flights going to/from Anchorage 230 miles to our Southeast >> travel through our immediate region in McGrath. >> >> >> Audio: >> >> >> https://drive.google.com/file/d/1ZEKepOdjYvdMc-Yvv945W0O-conu6sWx/view?usp=drivesdk >> >> _._,_._,_ > ------------------------------ > Groups.io Links: > > You receive all messages sent to this group. > > View/Reply Online (#177) > <https://FairLawnARC.groups.io/g/monitoring/message/177> | Reply To Group > <monitor...@fairlawnarc.groups.io?subject=Re:%20Re%3A%20%5BFLARC%20monitoring%20SIG%5D%20Beacon%20VTR%20350khz> > | Reply To Sender > <fbelgh...@gmail.com?subject=Private:%20Re:%20Re%3A%20%5BFLARC%20monitoring%20SIG%5D%20Beacon%20VTR%20350khz> > | Mute This Topic <https://groups.io/mt/78373226/527171> | New Topic > <https://FairLawnARC.groups.io/g/monitoring/post> > > > Your Subscription > <https://FairLawnARC.groups.io/g/monitoring/editsub/527171> | Contact > Group Owner <monitoring+ow...@fairlawnarc.groups.io> | Unsubscribe > <https://FairLawnARC.groups.io/g/monitoring/leave/9130541/1819488908/xyzzy> > [walkerbroadcast...@gmail.com] > _._,_._,_ > > _ Hard-Core-DX mailing list Hard-Core-DX@hard-core-dx.com http://montreal.kotalampi.com/mailman/listinfo/hard-core-dx http://www.hard-core-dx.com/ _______________________________________________ THE INFORMATION IN THIS ARTICLE IS FREE. It may be copied, distributed and/or modified under the conditions set down in the Design Science License published by Michael Stutz at http://www.gnu.org/licenses/dsl.html
