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ME Series Kit Single band 80m / 40m / 30m / 20m 2 CW Yes Mosquita III Kit 40m 5 CW No [51] Nouveau 75A Kit 80M 5 (Carrier) / 20 PEP AM: Yes Splinter II Kit 40m 0.5 CW Yes OHR 100A Kit 80m / 40m / 30m / 20m / 15m 5 (4–4.5 on 15m) CW Yes BCR Blue Cool Radio Kit (80m) / 40m / 30m / 20m / 17m 5 CW No [51] QRPGuys DSB Digital Transceiver II Kit
It has two radio frequency amplifier stages, one grid-leak detector/amplifier and three class ‘A’ audio amplifier stages. There are 3 tuned circuits T1-C1, T2-C2, and T3-C3. The second and third tuning capacitors, C2 and C3, are ganged together (indicated by line linking them) and controlled by a single knob, to simplify tuning. Generally ...
By day, WFTL is powered at 50,000 watts, the maximum for commercial AM stations in the United States. As 850 AM is a clear channel frequency, to avoid interference to other stations, WFTL reduces power at night to 20,000 watts. It uses a directional antenna with a six-tower array. The transmitter is near U.S. Route 27 in Okeelanta. [3]
Antenna tuning is best done as close to the antenna as possible to minimize loss, increase bandwidth, and reduce voltage and current on the transmission line. Also, when the information being transmitted has frequency components whose wavelength is a significant fraction of the electrical length of the feed line, distortion of the transmitted ...
The following is a list of radio stations in the United States that are authorized to run 50 kW (50,000 watts) of power. This is the highest power authorized to any AM station in the United States. Power Legend: U=unlimited time, D=daytime power, N=nighttime power, CH= critical hours power.
WKIX ended its oldies format (except for some weekend programming) on March 13, 2012, and reverted to a talk format, branded as TalkRadio 850 WPTF. The brand extension reflected its status as a complement to sister station WPTF's increased emphasis on news programming. [17] The station's call letters were changed to WPTK on March 16. [16]
Starting in the spring and summer of 1992, "The Bible Answer Man" with Hank Hannegraff was broadcast for the first time, pushing music programming to after 7:00 p.m. on weekdays. In 1994, Salem Media of Ohio purchased 103.1 FM WRZR, licensed to Johnstown, and began broadcasting a Contemporary Christian Music format 24/7 tagged "Joy FM".
WTOH (98.9 FM, "The Answer") is a conservative talk radio station serving the Greater Columbus area, currently owned by the Salem Media Group and licensed to Upper Arlington, Ohio. The station's studios are shared with sister station WRFD (880 AM) and are located in North Columbus; WTOH's transmitter is northwest of downtown .