73 Amateur Radio Today – February 1997
Issue Contents:
Amateur Radio and Linux
– Software home-brewing is here! …… W9IF 10
Elegant Rotating Revisited
– An enhanced Beam-aiming circuit …… W1ZZB 17
Antenna Tuners
– Do we really need them? …… W6YBT 21
The Topbander
– A cheap and easy antenna tuner for 160 meters …… W8ND 23
Build The Turbo Digi-sniffer
– A simple-to-make digital field strength meter …… AH2HR/5 26
Sumas Mountain High
– Building a self-sufficient repeater tower on a British Colombian mountain …… VE7BID 30
Add A Microphone Pre-amplifier to Your 10 Meter Rig
– Low-cost speech processing can increase your power …… AD5X 32
The Telegraph
– A little device that changed the world …… K8KWD 36
The Gel Cell Storage Battery
– A great little power supply …… KB4ZGC 41
In Search of Higher Power
– and a safe connection for it …… W6YBT 70
Antenna? What Antenna?
– A stealth antenna farm for a small lot …… KB4ZGC 71
Hentenna Footnotes
– Using an EZNEC model to build a sample …… AD1B 75
Hamtronics RWX Storm Watch Weather Broadcast Receiver
– Hams need to know about storm emergencies …… WA3WGV 34
The Ten-tec T-kit 6 Meter Transverter
– Here’s a fine introduction to modern kit-building …… N0BLX 44
Communications Simplified Part 14
…… K2OAW 64
Simple T-r Circuit
…… WU0L 67
The Quest for the Ideal QTH
…… K2FX 80
73 Amateur Radio Today – February 1997
