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Amateur Radio Bands

Amateur Radio Bands Plan U.S.A. Amateur Band Plan With your license comes operational privileges! So, to make sure you operate within your licensed spectrum, download the color-coded chart of the…

Antenna angle of radiation

Antenna Angle of Radiation And You Radiation Pattern The speed of electromagnetic wave is the same as speed of light, light is also an electromagnetic wave. In empty space, the…

ID-4100A USA Version firmware

VHF/UHF DUAL BAND DIGITAL TRANSCEIVER ID-4100A USA Version Firmware / Software Type Model Name Version Last Update Repeater List, GPS Data, and Setting Data ID-4100A 20170315 2017.09.26 Firmware ID-4100A, ID-4100E…

ham radio license manual download

The ARRL Ham Radio License Manual  All you need to become an Amateur Radio Operator This book may be used for Technician license exams given beginning July 1,2010. QST and…

ft-450d mars mod

MARS Mod: FT-450D New TX Freq range: 1.8 – 30 MHz Part One: Electrical mod Disconnect the power form the radio. Remove the front panel & the large RF shield to…

Yaesu FT3DR Manual

FT3DR Manual – firmware update 2 m/70 cm Dual-Band Handheld   5 W C4FM/FM Dual Band Digital Transceiver 320×240 full color TFT LCD display 1200/9600bps APRS Data Communication FT3DR Brochures…

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