Classifieds/Sell/Trade/Buy
Message Boards
Icom America
Kenwood
Yaesu
ARRL
FCC
   Random Amatuer Radio Pictures

73 Amateur Radio April 1971


<< 73 Amateur Radio Magazine Directory


Listed below is the Table of Contents for the 73 Amateur Radio April 1971 magazine. If there are any issues missing and you would like to contribute, please contact us to make finding good articles easier.

If there is a good magazine you would like listed, please let us know.

Look through the 73 Amateur Radio April 1971 magazine index for information needed for amateur radio projects and reviews.

73 Amateur Radio April 1971
TitleAuthors 
Page#
What's Really Different About FM?12
A lot, a whole lot!
K6MVH
Aftermath: A Noise Blanker That Works18
The author returns to the drawing board
W8RHR
FM Intermodulation on 2m20
Chart for locating interference sources
W6YAN
Hotroddinq Motorola's Hybrid HTs28
A commercial bid for the 450 market
W7PUG
Stability Without Crystals30
Introducing the Sentry Modcom, whatever that is
Staff
Switching Remote Linears32
or local linears
W0HKF
Using Microwave for Repeater Links34
Microwave propagation for any purpose, really
Lenkurt
IC Repeater Identifier49
It will also identity any other station
WB6BFM
Testing the National NCX 100058
And enjoying every minute of it
W2NSD/1
Build Your Own 2M FM60
Build this little hand transceiver
K1CLL
Repeater Directory for 197178
Every open repeater in North America listed here
Staff
National FM Standards100
FM channels on the VHF and UHF bands
W6YAN
The FM-Marketplace102
Buyers' guide to 2m FM transceivers
Staff
Meter Evaluator116
New, and-much better, way to measure meter resistance
Marovitch
A Simple Varactor Modulator for Going FM121
Changes AM rig to FM
WA9TFY
FM Fun With a Scanner122
Listening to eight channels at once
Staff
Low Cost Signal Source124
1.8 to 450 MHz for tuning your receiver
VE3GFW
Even More on Touchtone126
Answers to your questions on Touchtone
W1IRH
A Solid-State Preselector128
Tubes you're expecting? Read brand C magazine
W5JJ
The Transistor 12 Watter for 10131
Three transistors and a barrel of fun
W5PAG
A Slice of Nippon Culture135
How did an SWL article get into 73? Lordy!
Staff
Ten Tee Receiver Test138
Nice new portable receiver
WB2MYU
Getting Publicity for Ham Radio140
And, boy! Can we use it!
K0YTI
IC-746 Pro Ham Radio
Popular Callsign Lookups
for this month:


N0KK
KD4FRB
N9SQM
N8UKC

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