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73 Amateur Radio September 1970


<< 73 Amateur Radio Magazine Directory


Listed below is the Table of Contents for the 73 Amateur Radio September 1970 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 September 1970 magazine index for information needed for amateur radio projects and reviews.

73 Amateur Radio September 1970
TitleAuthors 
Page#
Integrated Circuit CW ID Generator16
Automatic identification for your station
W7PUG
Six Volts From Twelve Volts26
Six buck solid state voltage dropper
K3GSV
The Indicating Oscillator29
Another dipper circuit, 1-400 MHz
KH6AF
Tuning VHF Receivers32
Clever infinite attenuator and oscillator unit
K1CLL
Code Practice a la Baby Talk35
Everybody's doing it
W9PXA
Using Those Bargain ICs38
Three testers will test most ICs you will encounter
WA2IKL
Repeater Antenna Separation45
One of the easiest ways to improve repeater range
K6MVH
Diode Stacks54
Replacing those high-power rectifier tubes
W2BDG
Deluxe Receiver Gain Control56
Using one transistor and a zener
VU2JN
A New Approach to Communications Equipment60
A call for manufacturer standardization
K9ALD
Reed Relays for Coaxial Switching64
Work very well for UHF low-power applications
W7CRV
File Box Resistance Decade66
First in a series of file box test gear
WB4ITN
The DyComm VHF-FM RF Amplifier70
Transistorized, 15 watts out
Staff
General Class License Study Course74
Part II, Alternating Current
Staff
What Really Happened to Hamdom?82
The horrible truth about CB
W9HBF
Beer Can Two-Meter Coaxial Antenna86
Drink you way to a good signal
WA0RWQ/6
Converting 24V Relays to 115 VAC88
using a couple of cheap diodes
Douglas
Versatile 2m MOSFET Converter90
Low noise, high gain, ultra stable
WB6YVT
IC-746 Pro Ham Radio
Popular Callsign Lookups
for this month:

W2RZ
AB4TX
N8UKC
K2US
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