## General Class Study 1 40 1

Study items for general class

Popularity (by total correct streak): 40
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## Cards

 RMS voltage, given Peak voltage Vrms = Vp * 0.707 Peak Voltage, given RMS Vp = Vrms / .707 = Vrms * 1.414 Vp-p, given RMS Vp-p = Vrms * 2.828 AC Power, given Vrms and current P = Vrms * I AC Power, given Vrms and resistence P = Vrms^2 / R AC Power, given current and resistence P = I^2 * R DC Power, given voltage and current P = V * I DC Power, given voltage and resistence P = V^2 / R DC Power, given current and resistence P = I^2 * R Gain in DB, given P2 and P1 A(db) = 10 x log10(P2/P1) Power percentage, given db P2/P1 = 10^(db/10) Total Resistence, resistors in parallel R = (R1 + R2 ...) Total Resistence, resistors in series R = 1(1/R1 + 1/R2 ...) Total inductance, inductors in series L = (L1 + L2 ...) Total Inductance, inductors in parallel L = 1(1/L1 + 1/L2 ...) Total capacitance, capacitors in series C = 1(1/C1 + 1/C2 ...) Total Capacitance, capacitors in parallel C = (C1 + C2 ...) Turns ratio, given output and input inpedence Sqrt( output impedence / input impedence) Length in feet of quarter wave antenna Length = 234 / MHz F2 hop distance 2500 miles E hop distance 1,200 160m 1.8-2.0 MHz 80m 3.5-4.0 MHz (3.8+ G) 60m 5.3 MHz (5 channels) 40m 7.0-7.3 MHz (7.175+ G) 30m 10.1-10.15 MHz (200w PEP) 20m 14.0-14.35 MHz (14.225+ G) 17m 18.068-18.168 MHz 15m 21.0-21.450 MHz (21.275+ G) 12m 24.890-24.990 MHz 10m 28.0-29.7 MHz 6m 50.0-54.0 MHz 2m 144.0-148.0 MHz 1.25m 222.0-225.0 MHz 70cm 420.0-450.0 MHz General full privs 160, 60, 30, 17, 12, 10, 6 Baud limit 300 12 and below Baud limit 1200 10m Baud limit 19.6k 6 and 2 Baud limit 56k 222 MHz +

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