73 Amateur Radio Today – April 1983 Issue with Index
Issue Contents:
Pedal Power: A Perfect Field-day Generator
– This bicycle-driven power source is easy to build and guaranteed to get you in shape. No heavy breathing into the mike please …… KN6H 12
No-crash Autopatch
– Dialing and driving don’t mix. Build this autodialer and let its fingers do the walking-not yours …… W3ZC 20
Turn Mobile-rig Whine into a Whimper
– From brute-force filtering to solid-state regulation K4AJQ has the answers to mobile noise …… K4AJQ 30
Exploit the Hidden Interfaces of the TRS-80
– Sound synthesis a programmable timed on-off switch and a CW keyer are all hidden in the TRS-80 You just have to look in the right place …… WB9EGA 32
New England’s Nicad Per-charger
– Build this and get state-of-charge readout automatic shutdown and charge maintenance for your HT. This could be the gift of life for your battery pack …… K1QPS WA1UNU 38
Immortalize Your IC-2AT Battery Pack
– Why waste your nicads when you’re in the car? Build this miniature power supply and your batteries will last forever …… KP4AQI 40
Unlock the New Electronic Mailboxes
– MSOs are at the forefront of amateur radio’s vast communications revolution. WB7QWC shows you how to tune In log on and not drop out …… WB7QWC/9 44
How E.T. Really Called Home
– If it were not for an inventive ham E.T. might still be trying. In this exclusive article the designer of the little guy’s communicator unveils its Inner workings …… K2SSQ 52
Buyer’s Guide to Dayton
– From securing accommodations to planning your expenses WA4BPI helps you make the most of your Hamvention buck …… WA4BPI 56
The Best Way to Mount Your Mobile Rig
– If you have a van and HF gear this is what you need to put them together- including a movable mount …… KE7X 64
The Florida T-r Switch
– Get your 2m amplifier out of the way- without a relay …… W4HJW 83
Build the Deadeye Dish Controller
– Tired of taking potshots at satellites? With the flick of a switch this easy-to-build rotator will hit the bull’s-eye every time …… W5JG 84
The Ultimate Protection Plan for Your HT
– Bangs bumps scrapes and crashes make life tough for HTs. Make these modifications to protect your investment …… K2YKE 92
73 Amateur Radio Today – April 1983 Issue with Index
