73 Amateur Radio Today November – 1970 Issue

73 Amateur Radio Today November – 1970 Issue

Return to 73 Amateur Radio Today Index


Issue Contents:

16 – Differential J-fET Pre-amplifier

– Now hear stations before they come on the air! …… W4KAE 16

22 – Dual Gate MOSFET

– Rendering single gaters obsolete? …… WB2WYO 22

27 – Remote Quad Tuning

– From the shack …… W6AJZ 27

30 – Two-watt Six-meter Transmitter

– Using the crystal- heterodyne VFO …… KlCLL 30

38 – Semiautomatic FM Channel Scanning

– What another FM article? Yup! …… WA0QPM 38

42 – Low Cost Automatic Keyer

– An excellent “first project” …… WB4MYL 42

48 – AC Switching with Self-powered ICs

– Clever zero voltage switch …… W2FBW 48

54 – Pioneer Radio on the Prairies

– What it was like 45 years ago …… W6CXC 54

64 – SST-i Solid State Transceiver for 40 Meters

– Now here is a real fun project …… W9ZTK 64

72 – A Low-cost RF Wattmeter

– Novice simple Generally useful Extra accurate …… WA3AJR 72

77 – Calibrate That Calibrator

– Thus rendering it even more useful …… W2KPE 77

80 – General Class Study Guide: Part IV

– Impedance matching etc …… Staff 80

73 Amateur Radio Today November – 1970 Issue

Return to 73 Amateur Radio Today Index


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