Dual band 6m/4m Yagi
- This antenna was optimized with the goal to minimize any changes in 6jxx6 impedance/lobes. The result is a 7 el on 70 MHz with a little loss of gain comparing with the other monobands of the same lenght.
The Gain of an Endfire Array
- This article looks at the maximum theoretically possible directive gain that could be obtained with an endfire array of given length or number of elements, and compares this with practical results in the literature.
W7GDY TriCity Amatuer Radio Association
- Emergency communication is the cornerstone of this organization with the development of operating teams to provide volunteer backup emergency communications support to the cities of Goodyear, Avondale, Litchfield Park and surrounding areas
Current Ham Radio Satellite Status
- AMSAT Operational OSCAR Satellite Status Summary list Operational , semi-operational, non operational and future launch status of all current amateur radio satellite