Wire Antenna for 75 and 80 Meters
- This article is about a wire antenna that covers the entire 3.5 to 4.0 MHz band with an SWR below 2:1
consists of two coupled dipoles, one resonant at about 3.5 MHz and one resonant at about 4 MHz, resulting in the low SWR
Gamma Research, Inc.
- Home of the HPS-1a Gamma Hybrid Communications Power Supply. The HPS-1a is a very small, light weight , power supply that is most useful for hams who take their transceivers when traveling.
- Shack Supplies are a leading UK supplier of Amateur Radio equipment, we also specialise in the supply of Marine Radio & Maritime related electronics equipment. Yaesu Kenwood Icom Alinco transceivers, Morse keys, antennas, analyzers, cables connectors, Receivers, power supplies and more.
On Air CW Practice Program
- This program is designed to send code practice lessons over the air. You can schedule sessions in advance, and the program will automatically begin at a scheduled time and ID automatically. Freeware
CallBook for iPhone
- CallBook is an Amateur Radio application that allows you to look up call signs via the free WM7D server, the QRZ Online subscription service or the HamCall subscription server and track active APRS stations on www.aprs.fi. Lookup results can be emailed and the QTH can be instantly viewed in the Maps application