Do You Need an Antenna Tuner

The Ultimate Transmatch

and The Ultimate Transmatch BY LEWIS G. MCCOY, *WIICP OME amateurs assume that because they use coaxial feed lines they don't need a Trans- match.

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US Amateur Radio Technician Privileges

Title: US Amateur Radio Technician Privileges Author: dszlachetka Subject: Tech Band Chart Keywords: Job #580 Tech Band Chart color only UPDATED 10-29-2015.indd

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FSD-218 Relief Emergency · Routine Messages …

The QN signals listed above are special ARRL signals for use in amateur cw nets only. They are not for use in casual amateur conversation. Other meanings that may be used in other services do not apply.

  Do not

Lightning Protection for the Amateur Radio …

50 July 2002 also be protected. The method of protection will change, how-ever, since the interface is electronic. Once the peak operating interface voltages are determined, it is relatively straightfor-

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A Home-made Ultrasonic Power Line Arc Detector

From April 2006 QST © ARRL Figure 2 — Ultrasonic dish assembly. Figure 1 — Simplified block diagram of the ultrasonic detector. at full blast, and the ...

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Field Day - arrl.org

Field Day Entry Submission Instructions: Please make certain that your required summary sheet is complete with the following fields filled in:

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Registration Form - American Radio Relay League

Amateur Radio Emergency Service@ ARES@ Registration Form Name: Cal Sign: Mailing Address: City, state, ZIP code: e-mail address(es): Home phone number:

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The NorCal Sierra: An 80-15 M CW Transceiver

The NorCal Sierra: An 80-15 M CW Transceiver Most home-built QRP transceivers cover a single band, for good reason: complexity of the circuit and physical layout can

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A Simple yet Precise Function Generator for the …

QEX – May/June 2013 7 important role in the generator. A DDS chip like this one builds the waveform using discrete voltage samples whose amplitudes

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A Quick Trainer and Field Resource Guide for the …

Page 2 This manual is intended to serve as a quick trainer and reference for amateurs deployed in the field for emergency services work, primarily through the ARRL Amateur Radio Emergency Service (ARES).

  Emergency

LDG AT-1000 1KW Automatic Memory Antenna Tuner

LDG AT-1000 1KW Automatic Memory Antenna Tuner LDG Electronics 1445 Parran Road, PO Box 48 St. Leonard MD 20685-2903 USA …

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NOTE: Antennas have not been tested with ladder …

wide range antenna tuner is a very handy device to broaden out the bandwidth of an antenna. Model DX-CC Unroll the wire elements, …

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Let's Talk Transmission Lines

Now that you have a grasp of the nature of antenna impedance, let’s consider the pathway from the antenna to your radio: the transmission line.

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AAR2EY All Band NVIS Antennae Designs - N2CKH

AAR2EY All Band NVIS Antennae Designs Updated 20 May 2007 Updated 23 February 2006 Updated 9 November 2005 Started 13 February 2004 As user of MF/HF frequencies, a dedicated a Near Vertical Incident Skywave (NVIS)

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TRAV’LER Roof Mounted Automatic Multi-Satellite …

TRAV’LER ® Roof Mounted Automatic Multi-Satellite TV Antennas Winegard TRAV’LER Series pg 1 of 4 WC-1144 TRAV’LER Automatic Multi-Satellite TV Antennas

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New Product Review *** Comet CHA250B HF/VHF …

*** New Product Review *** Comet CHA250B HF/VHF Vertical Antenna By: Dan Dankert N6PEQ n6peq@dxer.com In February, Mick Stwertnik of NCG offered me the opportunity to test the new Comet CHA250B HF/VHF

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SG-230 S m a r t u n e r - sgcworld.com

SG-230 S m a r t u n e r ® Microprocessor Controlled Automatic Antenna Coupler Installation and Operations Manual Getting the most from every watt of HF-SSB Power

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usa-630:USA-5 manual peter - Custom Audio

Introduction Thank you for your purchase of a Custom Autosound radio. This factory made AM/FM receiver is specifically designed and manufactured for your