73 Amateur Radio Today – November 1997
Issue Contents:
How to Design Your Own HF Antenna
– No excuses after this …… VA3ACK 10
Readin’ Writin’ and Robotin’
– Is your high school entered in FIRST? …… Gray 17
Our Friend Pythagoras
– Pop quiz: Who can state the Pythagorean Theorem? …… N0BLX 19
Electronic Construction from A to Z
– Everything you wanted to know about building stuff but were afraid to ask …… AA0XI/vK5FN 21
The Table Topper 160-meter Loop
– Compact low-noise -and effective …… G2BZQ 27
Colby’s Do Something Box
– How about making a great gift gadget for grandkids? …… W7RXV 31
A Baycom-style HF PSK Modem
– Build a packet modem from scratch …… VK4AOC VK4TN 46
Variable Current Load Bank
– A bright idea for testing power supply parameters …… W7DE 71
EMTECH’s NW40 Transceiver Kit
-another winner for QRP …… AC4HF 41
My Strange QSO -mysterious voices and guarded messages
– a typical Sunday afternoon in the Midwest? …… NZ9E 64
RF Voltage and Power Meter
– Going up? In power that is? Find out with this easy-to-build instrument …… WI5W 67
Communications Simplified Part 23
– The series concludes …… K2OAW 81
Remembering Ivan’s “Woodpecker”
– Or was it? …… Onymous 82
73 Amateur Radio Today – November 1997
