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73 Amateur Radio May 1991


<< 73 Amateur Radio Magazine Directory


Listed below is the Table of Contents for the 73 Amateur Radio May 1991 magazine. If there are any issues missing and you would like to contribute, please contact us to make finding good articles easier.

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Look through the 73 Amateur Radio May 1991 magazine index for information needed for amateur radio projects and reviews.

73 Amateur Radio May 1991
TitleAuthors 
Page#
The Copperhead Keyer Paddle9
The perfect touch!
KI5AZ
The Handy Inductance Bridge11
For measuring small coils
KB4ZGC
The Mini-Keyer14
A smaller and newer version of an old friend
WB9YBM
Covert Hamming21
A design for your next secret mission
K6BRP
Software for the HamShack, Part I22
Useful ham calculations you can program yourself!
WA4BLC
Two QRP Transmitters26
Dust the ethers and bend the waves!
KI5AZ
A Better Tube Tester30
Check more than just DC amplification
WA1IAO
The JPS NIR-1034
Separate the words from the noise
WB2QLL
The J-Com MagicNotch Audio Filter40
A little box that locks out lids
N1GPH
Apartment Antennas: A Challenge42
How to cope with a ess-than-ideal QTH
W1GV
The SR3 Simplex Repeater from Brainstorm Engineering46
Versatile store-and-forward voice controller
WA3USG
IC-703 Ham Radio
Popular Callsign Lookups
for this month:

K2US
AB4TX
W2RZ
N8UKC
WE4V

Stewart Warner R113
Stewart Warner 301-A
738 Silver Marshall
IR Widget
Reading Morse Code on your PC
FCC Datbase Lookup
Pixie Transceiver
PSK31 Circuit Interface
The Iambic Mouse
MaxTrac 900 Ham Conversion
GE MVP Ham Conversion
Weather Station
ICOM OPC-478 Interface
PIC to Network
Morse Code Decoder Circuit