My first roundie!!!

[Jeffhs]

Originally Posted by jr_tech

It is clearly stated as 100 kw in the FCC page that I linked to.

jr

I stand corrected. I just looked up WQEN on RadioStationWorld.com and found the station does in fact have a 100kW ERP signal on 103.7 MHz. There is also another FM station in Birmingham, WZZK-FM, on 104.7 MHz, that runs 100kW ERP. However, since Dave (VK member TUD1) is some 20 miles from WQEN's transmitter, I doubt the station's signal is anywhere near strong enough to overload his tuner's front end.

BTW: The most powerful FM stations here in Ohio, again according to RSW.com, have 50kW ERP output. Forty-six years ago there was an FM station on 107.9 MHz in Newbury, Ohio, 40+ miles from Cleveland, that had a 140-kW ERP signal, 70kW vertical and 70kW horizontal polarization. The station decreased its ERP output to 16kW or so after numerous complaints of interference to stations in Pittsburgh and in Canada. Don't quote me on this, but I think after this incident the FCC capped the maximum ERP output for FM stations in the Great Lakes region at 50kW. There is one other station in Ashtabula, Ohio, near Lake Erie, that has a 50-kW ERP signal and probably one terrific antenna system that allows the station to cover 100+ miles in all directions. The antennas were damaged in a major snowstorm last year, limiting the coverage to probably less than fifty miles (I remember it was quite weak here in Fairport Harbor, 35 miles from Ashtabula), but they were soon rebuilt and now the station's coverage area is probably better than it ever was.

[Electronic M]

IIRC one of the FM stations in Steven's Point Wi. (or was it Appleton/Greenbay?) is 100KW....Not a lot of large towns/FM stations up there so what is there sometimes has higher power to better serve the area.

[jr_tech]

Here are the rules set by the FCC for station class and power/height of the transmitting antenna in various zones in the country.

https://www.fcc.gov/media/radio/fm-station-classes

There are a few stations that are grandfathered in which are exceptions to these rules (very few).

jr

[WISCOJIM]

Originally Posted by Electronic M

IIRC one of the FM stations in Steven's Point Wi. (or was it Appleton/Greenbay?) is 100KW....Not a lot of large towns/FM stations up there so what is there sometimes has higher power to better serve the area.

Stevens Point has one at 100K (WSPT), Appleton has one at 100K (WAPL), Green Bay has one at 96K (WIXX) and there may be more high powered stations around here. Actually there are a lot of FM stations up here. You may just have a different view because your history has been from living around big cities and their many suburbs, so you have had a plethora of choices of FM station to choose from. From here in Appleton I do have 35 FM stations within 50 miles, and there are many outside that range that can be heard on a decent radio with a proper antenna.

Just going through the FM band now I get 51 different stations coming in (more than 40 at a listenable level) on a small Tecsun PL-300WT with its 21-inch whip antenna. My Toyota radio will receive many more in the evening hours.

I'm sure when you get much farther into the boonies (such as your vacation site near Hayward) there are very few stations, and very few towns of any size. And the metallic ore in the ground in Northern Wisconsin and the Michigan Upper Peninsula sure can cripple radio reception.


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[Electronic M]

I assumed station count would be similar in eastern Wi to the Hayward area. There are maybe 5-10 FM stations (and not many AM either) receivable during the day in that area...

[WISCOJIM]

Yes, Hayward does seriously lack variety.

Pewaukee: http://radio-locator.com/cgi-bin/loc...te=WI&x=11&y=5



Appleton: http://radio-locator.com/cgi-bin/loc...ate=WI&x=0&y=0



Hayward: http://radio-locator.com/cgi-bin/loc...te=WI&x=11&y=7

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[TUD1]

Now the record changer messed up. It's changing two and three records at a time, when it's supposed to only let one through.

[TUD1]

Just spent 2 hours doing dynamic convergence on the Admiral. It was driving me crazy, so I did the best job I possibly could. It's a ton better than it was. One thing that bothers me though, the CRT tested perfect, but the Sencore CR70 and B&K 470 showed a resistive short (not all the way shorted) on the green G1. I didn't try to repair it since it's working fine.

[DavGoodlin]

Good job, believe the raster not the tester.

[kvflyer]

Looks pretty darn good.

One day, I will get mine going...

[sampson159]

that looks great!couldnt really get any closer.cant wait to see the finished product

[TUD1]

Here ya go.

[etype2]

Great work on the convergence and very nice set. Can we see some screenshots of program material? Thanks.

[WISCOJIM]

If you back off the fine tuning a tad, do your white letters go back to being white? Right now they look like rainbows.

Your earlier picture seemed to have much more readable lettering:



Now:





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[TUD1]

Used a different camera, maybe that will help the white letter rainbows.