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73 Magazine (March 1962)

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Book Id: WPLBN0003304795
Format Type: PDF eBook :
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Reproduction Date: 2011

Title: 73 Magazine (March 1962)  
Author:
Volume:
Language: English
Subject:
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Historic
Publication Date:
1962
Publisher:

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73 Magazine (March 1962). (1962). 73 Magazine (March 1962). Retrieved from http://community.worldlibrary.in/


Description
Description: 73 Magazine March 1962 (#18) Printed Circuit VFO - Extreme stability and simplicity of construction in this 50 MHz VFO may bug you to build ...... W5UB 6 Regulated Bias Supply - Great for linears, develops -20 to -120V @ 0-70 mA and presents only 6 ohms to grid ...... W5IUR 12 Check Transistors with an Ohmmeter - Here is the simplest test for transistors yet, and it's safe and works ...... W9QKC 14 Radar Detector - All you 2,500 MHz SWL's (UNFL's?) will appreciate this mobile receiver ...... W6JAT 18 Ham TV Survey - Ham TV is sprouting up all over. This will bring you up to date on its spread ..... W0KYQ 22 Blind Fasteners Aid Construction - Using explosive rivets to hold things together ...... W4WKM 24 Half-Wave Transmission Line - This gets around a lot of your antenna problems ...... W2KPE 26 50 MHz, No Crossmodulation - Six meter converter designed for high signal density areas ...... K6RNQ 28 Page from a Designer's Notebook - Transistorized carbon mike pre-amps ...... W5SUC 30 Brew or Buy? - Brew ...... W4KOC 32 500 Watt Linear Amplifier - Not 811A's again? Well, er... They're cheap! ...... W0RQF 33 The Strings the Thing - We'll print anything. What a kookie magazine! ...... W7CSD 35 Nostalgic V-Beam - Think piece ...... W2RWJ 37 The Tiny Terminator - 50 ohm 20 watt dummy load built in Canada Dry Cola can. Too bad if this is not your brand ...... K5JKX/6 38 Old Vikings Never Die - Little hints to improve the Viking rigs. Might work on the DX-100 too ...... W4AWM 40 73 Tests the Knight T-60 Transmitter - Here's another rig we can recommend. 80-6 meters, 60 watts, CW-AM ...... W4WKM 42 Antenna Protection and Switching Unit - Built outdoors, where it should be. Keeps lightening out ...... W5EHC 46 Is Marconi Like Spaghetti, Daddy? - Saga of the visiting amateurs, as reported from England ...... Margolis 50 Faithful, Long-lasting, Signal Booster - It also works well and is simple to build ...... W9ZDN 52 Evolution of the Bug - Historical aspects of this oft used, little mustered device ...... W3WRE 54 Cure that Angry Band - Audio's selectivity with the FL-8 surplus audio filter ...... W4THU 57 BCI in Your QSO?- Keeping BC stations out of your receiver ...... K2DHA 58 73 Tests the Viking Ranger II - Johnsen has nicely updated their most popular rig ...... W4API 61 High-Level Mixer - You can mix the full output of your exciter to any band you desire ...... W5EHC 66 Zero-Beatnick - More fun with transistors ...... K6BIJ 64 Modulation - Our big technical article... This will make you an expert ...... Staff 70 Propagation Charts ...... K2IGY 74 Index courtesy of http://www.qsl.net/kb9mwr/files/ham/73.html.

 
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