73 Amateur Radio Today – September 1990

73 Amateur Radio Today – September 1990

Issue Contents:

Quick and Easy Field-strength Meter

– Home-brewing can be simple! …… KM4KT 9

75 Meter 1/4-wave Sloper Array

– Confessions of a contester …… WA3EKL 18

Alinco Service Survey

– Alinco may be the best show in town …… WB6NOA 20

Dummy loads for DC Supplies

– Don’t risk your rig! …… VE1GM 22

Mobile Power Source Organizer

– Easy 12 volt hookups for your mobile gear …… AH2AR/8 24

End-fed Copper Dipole

– Why buy when you can build? …… N8KDD 26

More BTUs for the Buck

– Inexpensive alternative to industrial heat guns …… WA1FHB 28

10 Meter Base Station Antenna

– Ready in two hours! …… WA6ZOS 29

Solution: AGC

– A circuit with wide applications …… KA9NEH 32

Make Your Own Circuit Boards

– The reliable method …… W6WTU 36

Build a Portable Mast Mount

– A “spare” mount that’s always ready …… KC3YB 44

The Coil Tester

– Measure inductance and resonant frequency …… N4TMI 48

DXDA ’90

– The Dynasty grows …… WB2DIN Staff 81

The lsoloop HF Antenna 14/30

– Small efficient and portable …… KA7LDN KG7GA 10

Fluke Model 87

– The next generation of digital multimeters …… WB9RRT 45

Ameritron AL-82 Linear Amplifier

– Trouble-free power …… WA4BLC 52

The Weller Cordless Pyropen

– A soldering pencil for both the bench and the field …… KA9KAF 55

73 Amateur Radio Today – September 1990

Return to 73 Amateur Radio Today Index


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