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Query: com
Links: 7842 | Categories: 263
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Categories
- Radio Equipment > HF Amplifiers > Acom 1000
- Radio Equipment > HF Amplifiers > Acom 1010
- Technical Reference > Components > Component Database
- Shopping and Services > Electronic Components
- Manufacturers > Electronic Components
- Manufacturers > Transceivers > Icom
- Radio Equipment > Antenna Tuners > Icom AH-4
- Radio Equipment > VHF-UHF Mobile > ICOM IC-2100H
- Radio Equipment > VHF-UHF Mobile > Icom IC-2300H
- Radio Equipment > VHF-UHF Mobile > ICOM IC-2720H
- Radio Equipment > HF Transceivers > Icom IC-7000
- Radio Equipment > HF Transceivers > Icom IC-703
- Radio Equipment > HF Transceivers > Icom IC-705
- Radio Equipment > HF Transceivers > Icom IC-706
- Radio Equipment > HF Transceivers > Icom IC-7100
- Radio Equipment > HF Transceivers > Icom IC-718
- Radio Equipment > HF Transceivers > Icom IC-7300
- Radio Equipment > HF Transceivers > Icom IC-746
- Radio Equipment > HF Transceivers > ICOM IC-756
- Radio Equipment > HF Transceivers > Icom IC-7600
- Radio Equipment > HF Transceivers > Icom IC-7700
- Radio Equipment > HF Transceivers > Icom IC-7760
- Radio Equipment > HF Transceivers > Icom IC-7851
- Radio Equipment > HF Transceivers > Icom IC-9100
- Radio Equipment > Receivers > Icom IC-R20
- Radio Equipment > Receivers > Icom IC-R7100
- Radio Equipment > Receivers > Icom IC-R75
- Radio Equipment > VHF-UHF Mobile > Icom IC-V8000
- Radio Equipment > VHF-UHF Handhelds > Icom ID-51A
- Radio Equipment > VHF-UHF Mobile > ICOM ID-880H
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A dipole can be broadbanded by a number of techniques including by matching with resonant sections of transmission feed lines. -
2012 Ham Radio HK0NA DX Pedition to Malpelo Island, official site with hk0na online log -
How to restore conductivity to your rubber membrane buttons by KV5R -
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John Shannon, K3WWP article on basics of learning morse code using a straight key. -
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April instrument, manufacturer of programmable microwave signal generators -
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ECARS began operation in 1968 as an Amateur Radio public service net for mobile operators on 7.255 MHz -
Old Cars and Amateur Radio. This club has a repeater on site of the World Longest Running car cruise. Part of the ARRG.US network -
A simple DIY signal generator based on NorCal QRP club kit -
A dual band dipole antenna for 40 and 80 meters band. Total lenght of 26 meters, foreseen two coils at aprox 11 meters distance from center feed. -
This group is for support and discussion of the Baofeng UV-3R micro dual band VHF/UHF radio. -
Founded in 1924 CSRA is one of the oldest ham radio clubs in the USA -
Europeam perspective on BPL PLC -
Aerial 51 is an antenna manufacturer producing HF Wire antennas. Their antenna product catalog includes portable, OCF wire antennas for HF bands but also QRP transceivers, and accessories for portable operations.Based in Germany -
DMR Contact Manager is a Free software package designed to make it easy to maintain channel, zone, contact and call group information in these radios. It is fully compatible with the Ham-Digital and RadioID database systems and allows instant codeplug updates from a wide variety of sources. DMR Contact Manager is designed for use with Connect Systems CS700/CS701/CS750/CS800/CS801/CS800D radios, as well as the Tytera MD-380/390/390GPS, TYT MD2017/MD9600, AnyTone AT-D868UV and AT-D858, Retevis RT3, and similar radios that use the RDT/RDB file formats. -
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Homebrewing a Lightweight linked dipole HF antenna for portable SOTA operations -
The purpose of this webpage is to document an attempt at this project starting with the 80m core receiver first and also having the parts on hand for then adding the first dual conversion band (40m) -
Introduction to Software Defined Radio by AC8GY -
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CT1FUI - Amateur Radio from Portugal , QSL card collection from 90's -
Read more about the purpose, policies, and procedures of The National Traffic System in this 48 pages PDF File -
Repairing and restoring a Tektronix 465 oscilloscope -
Restored vintage amateur radio, shortwave & other electronics from the vacuum tube era! Specialists in restored Ham Radio boatanchors -
A nice article expleraing why during the sunset it's possible to listen to long distance radio broadcasting stations. -
Amateur radio map of Italy with WW locators, provinces abbreviations and Call sign Prefixes, in a A3 size PDF file free to download, made available by IU3KJL Davide -
23cm 1296 MHz Field Day Yagi Construction, a 26 element conventional-style design. Article with several pictures and detailed homebrewing instructions -
K0BG article con antenna efficiency covering topics like radiation resistance, coil losses and ground losses, other kind of losses. How calculate efficiency and Bandwidth Notes -
An overview of digital HF radio operating modes includes a sample audio recording of each digital mode by WB8NUT -
Homebrew, QRP, Beacons & Diplomatic / Spy Radio -
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This antenna is a vertical loop antenna mounted on a 8 meters high grounded mast with an input impedance of 50 Ohms without a matching device -
Common problems of the 572B tubes often used in many RF Power Amplifiers -
Using Chokes and Traps: how to make them, how they work. -
If you like building good antennas, this one is for you. The J-pole is a slim, omnidirectional, half-wave antenna fed at the end through a quarter-wave shorted transmission line. Its predecessor is the famous Zepp antenna developed for the Zeppelin airship. -
W1WD review and reception performance test of the Elecraft K3 transceiver. -
K6BJ UHF MSF5000 Repeater Construction Log -
Supplier of RF, Microwave, & Wireless passive coaxial components, including Coaxial Attenuators, Adapters, Cables, DC Blocks, Terminations, & Connectors -
Live Audio Feed of the KI4FVI repeater in henry county Georgia -
Simulation of a top loaded vertical antenna for 1.2 MHz -
The Icom IC-7600 compared to other Icom HF radios , like IC-756Pro III, IC-7700 and IC-7800 by VA7OJ/AB4OJ -
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An excellent and comprehensive article on portable HF operations with attention on selecting proper equipment -
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Converting the Jabra A210 Bluetooth Interface for Ham Radio
