Antenna Here is a Dipole - American Radio Relay League

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:

  Submissions, Arrl

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

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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Build a Space Efficient Dipole Antenna for 40, 80 and 160 ...

Fig 2—The improved coaxial-cable traps use two layered windings to provide an unusually high inductance-to-capacitance ratio, higher Q, and twice the breakdown voltage of single-

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successful wire antennas PRELIMS - RSGB Shop

SUCCESSFUL WIRE ANTENNAS 42 3 DipolesDipolesDipoles T HE WIRE DIPOLE is a very effective antenna that can be constructed and installed very easily and for only a small cost.

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40 Meter Mini-MOXON Beam Antenna At W7XA - Ham-Radio

Background My QTH is on a “standard” city lot about 90 X 110 feet. There is limited ground space in the back yard For radials etc. due to the swimming pool installed by the previous owners.

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Magnetic Loop Antennas - NRHARC

Basic electrical characteristics of a Magnetic loop First: here is a conventional current and voltage distribution on the1/2 wave dipole. It can be made to relate to the current and voltage nodes that exist on a …

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G7FEK Limited Space Antenna - Suomen Radioamatööriliitto

© 1988 - 2009 Mike Dennis, G7FEK. - Website: www.g7fek.co.uk - updated: 27 March 2010 Construction Guide In this article I have laid out the current recommended ...

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Antenna Basics - Wireless

dipole antenna. The isotropic antenna radiates equally well in all directions. Real isotropic antennas do not exist, but they provide useful and simple theoretical antenna patterns with which to compare real

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Efficient 2M Antenna Disguised in a Satellite Dish

Efficient 2 meter Disguise Antenna . Made From a TV Satellite Dish . This horizontal “slot” antenna, cut into the reflector of a TV dish, is both the master of disguise and high in performance.

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NOTE: Antennas have not been tested with ladder (open line ...

NOTE: Antennas have not been tested with ladder (open line) and we have no details on such installations. If ladder line is used, the SEP static voltage module (on DX-CC, DD,