Is TCARES Teaching? The Tuolumne County Amateur Radio & Electronics Society (TCARES) is planning a class that will teach interested folks the basics of amateur radio necessary to pass the FCC required Technician Level Amateur Radio Examination. This class is in the planning stages, tentatively commencing in the spring of 2019. It will be about 10 weeks long with one class meeting each week, most likely on Saturdays. The American Radio Relay League (ARRL) training material will be used for the curriculum. Students will be asked to purchase their own License Manual for about $34 (or at a small discount through […]
Yearly Archives: 2019
20 posts
By Jim, N6TP The recent interest in WLW (500 Kw in the 1930s) reminded me of the technology that went into producing a good quality high level plate modulated transmitted signal. You may remember prior to rule change of 30 years or so by the FCC that the maximum power limit (where licensed) was 1,000 watts input. This meant that if you were running high level plate modulation, you had to have 500 watts of RMS audio power for 100% modulation. You will recall that the secondary of the modulation transformer was in series of the B+ to the final tube(s). […]
