73 Amateur Radio Today – February 1980

73 Amateur Radio Today – February 1980

Issue Contents:

CB-to-10 FM Continued

– another way to join the fun on 29.6 …… WB2EQG 42

Sunspot Predictions for 1980

– whither propagation? …… WA3NKP 47

An End to Dials and Meters?

– nope … but discrete LEDs make an interesting substitute …… Staff 50

The Paper the Station and the Man

– a brief history of the New York Times radio stations …… W3CFC 54

QRP from Canton Island

– proving all things are possible …… KH6GB 63

In Search of Power line Interference

– how to find it and get it stopped …… W4PZV 66

Hard Copy from your Xitex Terminal

– when a video display isn’t quite enough …… W5SBL 70

Excavation Litigation

– don’t dig a hole without your lawyer …… Hecht 72

Noise Rejector II

– an exciting sequel …… WB6ZYK 74

Trouble-free ID Timer

– for repeaters …… WA8HEB 76

So You Want to Build a Beacon?

– here’s how …… K9EID 78

Working with FETs

– part III: the source follower …… WA2SUT/nNN0ZVB 82

Microcomputers and Your Satellite Station

– part II : ground station antenna bearings …… WB8DQT 86

Design Practical PLL and Timer Circuits

– program generates standard R and C values for 567s and 555s …… N2RG 92

DUPECALL … for Your Next Contest

– let your SWTP do the duping …… K4TSY 96

Add ‘Em Up: An IC-22S Programmer

– select a frequency by adding the settings of three switches …… AA4RM 103

The Oscilloscope Survival Course

– the finer points of scope usage …… McClellan 106

6m Fun with the FT-625RD

– six is hot so why not? …… W6OJF 114

Albert and his Momentous Theories

– a layman’s look at Einstein …… Lutus 116

Go-cart

– wheels for your test equipment …… W4MEA 134

73 Amateur Radio Today – February 1980

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