73 Amateur Radio Today – March 1993
Issue Contents:
Constructing High Current Power Supplies
– Practical considerations learned through experience …… KE9ED 10
Fiber Optics and Amateur Radio
– Is fiber-optic technology in our future? …… AJ0N/lA6US 14
Digital Satellite Gateway Nodes
– How to get on OSCAR 22 with an HT …… WA0PTV 19
Clock It Quick
– Tame ripple counter chips …… Arnoid 22
Dual Half-wave Antenna
– A ground independent antenna with gain …… KE2QJ 26
Active Antenna Using a MOSFET
– Build a low noise antenna …… W2IMB 32
Computer Control for the Ramsey FTR-146
– Build a computer interface for this 2 meter transceiver kit …… WD8BNR 60
The AEA DSP-2232
– A digital signal processing filter …… N1EWO 17
73 Amateur Radio Today – March 1993
