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73 Magazine (July 1961)

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Book Id: WPLBN0003304803
Format Type: PDF eBook :
File Size:
Reproduction Date: 2011

Title: 73 Magazine (July 1961)  
Volume: Vol. 1, No. 10
Language: English
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Publication Date:
Publisher: Amateur Radio Publishing, Inc.


APA MLA Chicago

73 Magazine (July 1961). (1961). 73 Magazine (July 1961). Retrieved from

Description: 73 Magazine July 1961 (#10)

Table of Contents
A Tinker-Toy for Two - Two meter antennas made out of aluminum tubing and a Tinker-Toy set ...... K8LFI 8 Ready-Made Emergency Antenna - New, improved type mobile antenna. Really works out! ...... W7CSD 12 Two Meter Line Amplifier - Nuvistor pre-amplifier -for hottening up your two meter converter ...... Bullock 14 Amplitude Modulation Systems - Review of AM systems with special reference to an oldie you'll like ...... W7CSD 18 Globular Calculations - How to find out how far it is from anywhere to a anywhere, great circle route ...... K5RPB 26 An S-Meter for Your Sixer - Or your Tenner... Or your Tower. What? You don't have one? Heath advertises ...... K5VMC 28 VLF - Very Low Frequencies - A converter for the 10-100 kHz band ...... W3QA 29 Little NIC Six Meter Converter - Quite wee transistorized converter. You'll like. Real quick project for you ...... K8NIC/5 31 Panadapting Adaptor, Part 1! - Construction and alignment details ...... W6AOI 33 Plate Modulate Your DX-40 - How to hook in an external modulator or more output from the DX-40 ...... K6UGT 39 Socket for the 4-1000A - The tubes are available surplus, but the sockets ouch! Here's an answer ...... W4API 41 Frequency Measurement - Measuring frequency with simple equipment ...... Henry 42 From My Side of the Counter - Confession from the heart of Radio Row in New York City ...... W2BNW 44 Transistor Biasing Simplified - The problem... The solution ...... K6EAW 45 Powerhouse Pros, Part 2 - Designing a power supply instead of throwing it together ...... Staff 48 Propagation Chart - What bands when, to where ...... K2IGY 56 Band Edge Marker - 3.5 MHz oscillator gives band edge marker for all ham hands ...... K1NFE 58 Transformer Action Demonstrator - Very handy for schools and theory classes ......W8KTJ 64 Index courtesy of

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