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US Amateur Radio Bands - American Radio Relay League
10.0-10.5 GHz ‡ 24.0-24.25 GHz 47.0-47.2 GHz 76.0-81.0 GHz 122.25-123.0 GHz 134-141 GHz 241-250 GHz All above 275 GHz ‡ No pulse emissions *Geographical and power restrictions may apply to all bands above 420 MHz. See The ARRL Operating Manual for information about your area. 1240 23 cm (1240 MHz)* 1270 1295 1300 N (5 W ) E,A,G,T MHz 33 cm ...
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US Amateur Radio Technician Privileges
www.arrl.orgTitle: US Amateur Radio Technician Privileges Author: dszlachetka Subject: Tech Band Chart Keywords: Job #580 Tech Band Chart color only UPDATED 10-29-2015.indd
FSD-218 Relief Emergency · Routine Messages …
www.arrl.orgThe 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.
Lightning Protection for the Amateur Radio …
www.arrl.org50 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-
A Home-made Ultrasonic Power Line Arc Detector
www.arrl.orgFrom April 2006 QST © ARRL Figure 2 — Ultrasonic dish assembly. Figure 1 — Simplified block diagram of the ultrasonic detector. at full blast, and the ...
Field Day - arrl.org
www.arrl.orgField Day Entry Submission Instructions: Please make certain that your required summary sheet is complete with the following fields filled in:
Registration Form - American Radio Relay League
www.arrl.orgAmateur Radio Emergency Service@ ARES@ Registration Form Name: Cal Sign: Mailing Address: City, state, ZIP code: e-mail address(es): Home phone number:
The NorCal Sierra: An 80-15 M CW Transceiver
www.arrl.orgThe 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
A Simple yet Precise Function Generator for the …
www.arrl.orgQEX – May/June 2013 7 important role in the generator. A DDS chip like this one builds the waveform using discrete voltage samples whose amplitudes
A Quick Trainer and Field Resource Guide for the …
www.arrl.orgPage 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).
The Ultimate Transmatch
www.arrl.organd 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
www.arrl.org2300-2310 MHz 2390-2450 MHz 3300-3500 MHz 5650-5925 MHz 10.0-10.5 GHz 24.0-24.25 GHz 47.0-47.2 GHz 76.0-81.0 GHz 122.25-123.0 GHz 134-141 GHz 241-250 GHz All above 275 GHz Notes: Technician Licenses may use up to 1500 Watts PEP on the VHF and higher bands, but are limited to 200 Watts on the HF bands.
Intel® Core™ Laptop Processors Comparison Chart
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