73 Amateur Radio March 1970
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Look through the 73 Amateur Radio March 1970 magazine index for information needed for amateur radio projects and reviews.
73 Amateur Radio March 1970 | |
| Page# |
Extra Services From Your Grid Dip Oscillator | 18 |
Like checking crystals, tuning FM receivers and such | |
WA4UZM | |
Reverse-Current Charging | 20 |
Turns out you really can recharge flashlight batteries! | |
K8YUC | |
A Poor Man's Frequency Meter | 24 |
Combines surplus from two services | |
W6YAN | |
Professional PCs From Roll-Your-Own Negs | 29 |
Eliminates drafting, camera work, and darkroom entirely | |
K6MVH | |
How I Read The R.O.'s Handbook & Found Happiness | 36 |
Instant profundity | |
Johnson | |
A Look At Amateur FM Standards | 38 |
Or, how do we get out of this mess? | |
WB6DJT | |
An Inexpensive RF Wattmeter | 43 |
Surplus meter for those too cheap to buy a regular wattmeter | |
WB4MYL | |
A Remote Multifrequency Oscillator For Surplus FM Units | 44 |
Drive people crazy on lots more FM channels with this | |
W2ACM | |
Add Spotting to Your VFO | 49 |
If your VFO is unspotted | |
K8BYO | |
Towards an Ideal Solid-State I-F For Amateurs | 50 |
Closing in on the state of the art with Bill Hoisington | |
K1CLL | |
Ham Exchange | 58 |
Visiting foreign amateurs makes trips more enjoyable | |
WA2ELA | |
Super Sixer | 60 |
Heath wouldn't recognize it | |
WA3AQS | |
Bob, Bob, Bobbin' Along | 62 |
Special April feature article. Well, it's almost April | |
K1YSD | |
The Dip Light | 68 |
A grid-dip meter with no grid and no meter | |
VE3ECU | |
73 Checks Out The Kris Scanning Receiver | 70 |
Snazzy | |
Staff | |
Two Conversions For The Motorola 41 V - Part 1: | 72 |
| |
K9PKQ | |
Two Conversions For The Motorola 41 V - Part 2: | 74 |
| |
W6YAN | |
A CW Monitor | 76 |
Using a 98 cent audio module, you cheapskates | |
WB2GQV | |
The Logical Approach To Surplus Buying | 80 |
Here's your key to fun with those surplus logic circuits | |
Kyle | |
Converting The Sonobuoy to a 2W FM Rig | 96 |
Two meters. Why not have some fun with this one? | |
W1BYX | |
Easy Diode Testing | 97 |
Checking out those bargain diodes | |
K4JK | |
Turning The AN/GRC-9 Into a Novice Rig | 98 |
2-12 MHz transmitter-receiver | |
W6JTT | |
Extra Class Study Course, Part XIV | 104 |
Measurements | |
Staff | |
VHF-FM And You | 118 |
Part of our Encyclopedia of FM; a good part | |
K9STH | |