Base Station Antennas

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Vertical Matched Dipole Kit

RST-8710, $13

Vertical Matched Dipole KitOur base station antenna Sorta-Kit™ has an excellent 2:1 VSWR bandwidth (it easily covers the entire aviation NAV or COM band, or the entire 2-meter band), with below a 1.5:1 VSWR at band center. It is constructed on a 3/8" wooden dowel and then enclosed within 1/2" PVC water pipe giving an antenna that is just a shade over a half wavelength long (52" long at 127 MHz.) and an inch in diameter over the PVC end caps. The connector supplied with the kit is waterproof BNC (f). We supply enough electrical materials to construct one antenna anywhere from 75 MHz. to 500 MHz, any 8% bandwidth. Construction/Operation manual included.

Note -- you will have to supply PVC pipe, pipe glue, dowel, and silicone sealant . Assembly requires a drill and saw for pipe and dowel.

The Story of Our Base Station Antenna

I guess I've traveled to as many small country airports as anybody in this business and I've been witness to some of the best and the worst Unicom base station installations that there are. What really pushed my button to write articles and develop base station products was one antenna installation I saw in the Ozark country down in southeastern Missouri. It consisted of about a thousand feet of #22 wire strung around the FBO, across metal gutters, electrical conduit, and other wires. The FBO, quite proud of his invention, said that this antenna didn't have quite the range of his "big antenny" on the roof, but it was "a mite easier to keep up in a snowstorm".


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