73 Amateur Radio Today – May 1994

73 Amateur Radio Today – May 1994

Issue Contents:

HI-pER Audio Filter

– This project provides High-pERformance CW filtering …… KC3ZQ 10

Speech Compression

– Make a monster mike! …… KB1UM 16

Fast Charger

– Recharge NiCd and NiMH batteries in as little as 30 minutes …… KN6PK 22

The Radar Gun Reality

– Ham scientist testifies on electromagnetic radiation …… K6UI 30

Improved QRP Keying Circuit

– A slick fix for your little CW rig …… KD1JV 58

The ICOM IC-2iA Micro HT

– Meet the evershrinking HT …… KB1UM 40

The Power Station

– A multi-function portable rechargeable power source …… WA1RZW 57

The ICOM IC-737 HF All-band Transceiver

– A first-class rig with all the right features …… 44

73 Amateur Radio Today – May 1994

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