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1141 links - and 8 categories

Bazooka dipole for 70 cm band - Here is a very simple 70cms dipole from Harald PD2HFE, which uses a single piece of RG-213 coaxial cable 34 cms in length.
[ Hits: 16568 | Votes: 30 | Rating: 6.67 ]

Balun Construction - The design of Ruthroff broadband voltage transformers
[ Hits: 2363 | Votes: 10 | Rating: 6.5 ]

Detuning Towers - The goal of detuning is not to avoid resonance, but rather to minimize re-radiation and/or current in the interfering structure.
[ Hits: 815 | Votes: 1 | Rating: 10 ]

Collins Museum - Managed by WA3KEY Featuring the Collins Radio Advertisement Archive
[ Hits: 827 | Votes: 0 | Rating: 0 ]

eham DX Spots - DX Spots web cluster interface with filtering features available to eham subscribers
[ Hits: 1210 | Votes: 1 | Rating: 1 ]

FCC Home Study License Training Course - It's a whole new way of preparing for the government FCC License examination. The classroom is your home.
[ Hits: 2504 | Votes: 4 | Rating: 5.75 ]

SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
[ Hits: 8406 | Votes: 8 | Rating: 6.12 ]

International Crystal Manufacturing Company - International crystal manufacturing provides quartz crystals, oscillators, precision crystals, filters, tcxos / vctcxos, qcm crystals, and other frequency control products. read details about our crystals and frequency control products and services.
[ Hits: 926 | Votes: 2 | Rating: 5.5 ]

Multi-Tech Industries, Inc. - Manufacturing Precision Products Since 1969. Rotary Switches, Strain Reliefs, Ground Fault Units
[ Hits: 420 | Votes: 1 | Rating: 9 ]

Watts Unlimited - Engineering Solutions for Unique Problems. Manufacturer of high Voltage, high Current, high Power Power Supply
[ Hits: 1689 | Votes: 3 | Rating: 7 ]

Tashjian Towers - Towers by Tashjian, Engineering, Design and Manufacturing
[ Hits: 1555 | Votes: 4 | Rating: 7 ]

WSJT - WSJT is a computer program for VHF/UHF communication dedicated to EME. Support FSK441 for meteor scatter, JT65: for EME and extreme troposcatter, JT6M: for meteor scatter (optimized for 50 MHz)EME Echo: for measuring your own echoes from the Moon, CW: for EME QSOs using 15 WPM Morse code
[ Hits: 1858 | Votes: 3 | Rating: 9.33 ]

I.N.O.R.C. - Official Site - Official site of the "Italian Naval Old Rhythmers Club", gatehering CW operators from Military Navy and Civil Marine
[ Hits: 759 | Votes: 3 | Rating: 10 ]

Beacons - The W6AMT Beacons is a Windows program which automates the collection of radio propagation data. HF data is collected by monitoring the worldwide network of NCDXF / IARU HF beacons.
[ Hits: 2587 | Votes: 4 | Rating: 7.5 ]

10 W Linear Amplifier - This article describes a 10 watt linear amplifier that is capable of delivering over 15 watts into 50 ohms and uses cheap plastic transistors that are used in CB equipment. by Harry Lythall - SM0VPO
[ Hits: 11426 | Votes: 12 | Rating: 5.25 ]

NiCd Battery Charger - A technical interest site for electronic and computer engineering. Intelligent NiCd/NiMH Battery Charger - Construction Project
[ Hits: 1144 | Votes: 2 | Rating: 10 ]

Soldering PL-259 Coax Plugs - An illustrated and complete guide to soldering PL-256 coax plugs
[ Hits: 4936 | Votes: 3 | Rating: 1.67 ]

Automotive RFI elimination - ARRL pdf file on how remove car noise from your radio. Modern vehicles are RF noisy environments. Come learn how to identify and silence yor mobile noise sources, by WA6PDP
[ Hits: 3164 | Votes: 6 | Rating: 6.96 ]

An Inexpensive PL Tone Encoder - If your local repeater has got you singing the PL tone blues, then read on. For less than $10, an inexpensive PL tone generator can be constructed that will bring new life into that old non-PL rig.
[ Hits: 2437 | Votes: 5 | Rating: 10 ]