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73 Amateur Radio February 1973


<< 73 Amateur Radio Magazine Directory


Listed below is the Table of Contents for the 73 Amateur Radio February 1973 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 February 1973 magazine index for information needed for amateur radio projects and reviews.

73 Amateur Radio February 1973
TitleAuthors 
Page#
PC-IC-ID27
For FM- RTTY- /M- etc
K2OAW
The Evolution of Spectrum Management31
Radio Club of America Talk
W4BW
Phased Lock Loop Decoder36
For continuous tone systems
WB6BIH
Toroidal Quadreture Antenna40
New wideband antenna
W4KAE
Active Filter Applications45
RTTY
W1SNN
Frequency Measuring System -II49
Design theory and clock
K5DUS
Repeater Keying Line Control60
Squelch tail and time-out
WB6BIH
SSTV Circuits63
A raft of popular circuits
W9NTP
Two Meter Converter80
For a BC FM receiver
WB6CDU
All Purpose Metering Circuit83
Use one meter for the whole rig
WA0ABI
Are FET's Really Biased?86
Understanding FET's
K9VMH
If Your Counter Input's Low89
Here's an IC way to go
K4EOE
TR-22 Modification91
For higher output power
W8FJA
Transistor RF Power Amplifiers97
Theory - Part I
W9EGQ
Light Bulb Power Indicators102
El cheapo
WB2GQY
Economy Filters for 75A4105
Still an excellent receiver
W0IQI
Capacity Measurement108
By frequency shift
W3HTF
Keyer Adaptor116
For outdated transmitters
W1JSS
Gonset Linear Modification118
Gonset 201
W6HGX
A Time for Everything125
A discussion of time
WB6KFI
IC Protection142
Second guess your power supply
W4ATE
IC-V8000 Ham Radio
Popular Callsign Lookups
for this month:

WE8O
AB4TX
KK4DOD
KD8BTQ
AC4F

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