73 Amateur Radio Today – March 2002 Issue
Issue Contents:
Switched Mode Power Supplies
– Get out your calculator and have some fun …… W2GOM/7 10
Vent-a-fume
– This project has produced more than its share of fans …… AA2JZ 17
New Life for a Pierson KE-93
– Part 2 of 3 …… W6WTU 19
Travels with Henryk -part 3
– East meets West in the north …… SM0JHF 24
One Repeater to Go Please!
– Another emergency tip from 73’s Disaster Master …… KE8YN/0 27
Understanding the CWTHA
– This technical reprint about resonant contrawound toroidal helixes is good food for thought …… Hansen 31
Snakebit!
– A radio tale about the importance of getting things right the first time …… WD9APU 36
Elmers Applaud Ham Ambassador Program
– Progress! …… WB6NOA 55
MFJ’s 1899T Portable Antenna
– Great for the Yaesu FT-817 or any other QRP rig …… K7UGO 33
73 Amateur Radio Today – March 2002 Issue