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