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Search found 5 matches

by rst599
Mon May 18, 2020 11:31 pm
Forum: Engineering & DX'ing
Topic: VA3 FEZ
Replies: 29
Views: 1454

Re: VA3 FEZ

Proper repeater etiquette includes leaving a short pause between each other's transmissions in case others want to break in. This is enforced by the repeater's control system, which will cut off a station that transmits for too long (which is called "timing out the repeater"). Regular users are gene...
by rst599
Mon May 18, 2020 11:09 pm
Forum: Engineering & DX'ing
Topic: Downriver AM transmitters
Replies: 33
Views: 1632

Re: Downriver AM transmitters

Siting AM directionals is dependent on a number of factors, primarily driven by pattern design to protect other stations. Once you figure out your maximum allowed radiation toward each station in the allocation study (daytime goes out plus and minus 3 channels; nighttime mainly considers co-channel ...
by rst599
Thu Jan 17, 2019 11:50 am
Forum: Engineering & DX'ing
Topic: WTVN 610
Replies: 31
Views: 3812

Re: WTVN 610

As I recall, it was a mechanical device that drew the pattern on paper given the parameters set using dials. I may have a picture of it (it may also be in earlier editions of the NAB Engineering Handbook - the only one I have is the 7th edition). I think the two-tower pattern plot families in the di...
by rst599
Wed Jan 16, 2019 5:00 pm
Forum: Engineering & DX'ing
Topic: WTVN 610
Replies: 31
Views: 3812

Re: WTVN 610

The WTVN antenna farm appears to be a ragtag bunch of towers seemingly crafted out of miscellaneous steel. Towers 1 and 2 are self-supporting triangular towers, tapered at the base, whereas 3, 4 and 6 are square base self-supporting tapered towers. Tower 5, the daytime Non-DA tower, was later also u...
by rst599
Tue Feb 07, 2017 12:14 pm
Forum: Metro Detroit/SE Michigan
Topic: WPON WCXI Updates - 2020
Replies: 172
Views: 26897

Re: WPON Update - 2017

One way or another, he'll have to turn it on by then or the Commission will put their foot down. I understand they have been more strict about these remain silent STAs and just firing up a temporary rig into a wire for a few days doesn't count as resuming service.