73 Amateur Radio September 1971
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Look through the 73 Amateur Radio September 1971 magazine index for information needed for amateur radio projects and reviews.
73 Amateur Radio September 1971 | |
| Page# |
Transformerless Power Supplies | 14 |
Theory and six practical circuits | |
K3SVC | |
Build a Solid-State Module TV Camera | 18 |
And amaze your friends | |
W0KYQ | |
An Experimenter's Guide to IC Substitution | 28 |
Getting HEP to IC's | |
K5JKX | |
Microwaves and Microsounds | 38 |
| |
K1CLL | |
RF Power Measurement with Hot Carrier Diodes | 42 |
Rf wattmeters for up to 450 MHz | |
W6AJF | |
IC/Photocell Compressor/AGC Unit | 47 |
With no noise buildup problems | |
W2EEY | |
The Theft Stopper | 52 |
Booby trap for the car | |
K4EPI | |
A Marketing Man's Approach to Ham Radio | 53 |
Ham radio is a product | |
WB8CDU | |
Multi-Channel Operation with the Motorola HT-200 | 59 |
HT-200 modification | |
K8YQH | |
Facsimile for the Radio Amateur: Part II | 66 |
Scan this thriller continued from last month | |
Dean | |
Man-Made Interference | 78 |
Its causes and cures | |
WB5DEP | |
A Linear Stable VFO | 86 |
Better a VFO than a UFO | |
W8RHR | |
General Class Study Guide XII | 89 |
Some general questions on TVI, etc | |
Staff | |
Effective Heat Sinking | 101 |
Preventing fried germaniums and silicons | |
K5ZBA | |
The Spider | 104 |
Interfacing your transceiver and linear | |
W4RIZ | |
"Say Coo, Say Coo, Day Eckees" | 107 |
Some hams don't speak English | |
W7OXD | |
An IC Pulser for the Amateur Experimenter | 112 |
For the many unpulsed IC's around | |
W6GXN | |
A DC Isolator for Phone Lines | 117 |
Keep out of trouble | |
Weinstein | |
New Hope for Learning the Code | 119 |
Learn the code in two hours | |
WA1KWJ | |
73 Tests the Gonset Super Scan Receiver | 122 |
Minding 8 FM channels at once almost | |
W2NSD | |
New Mark Products $30 Battery-Boost Regulator | 124 |
Works from 11 volts up | |
Brown | |