Our High Ridge, MO tower is a Rohn 160 foot, self-supporting tower, which is sitting at approximately 980 feet above mean sea level, placing the antennas between 1030, and 1140 feet above Mean sea level.
Our Barnhart, MO tower is a Rohn 92 foot, self-supporting tower, which is sitting at approximately 980 feet above mean sea level, placing the antennas around 1072 feet above Mean sea level.
The average terrain for St. Louis is around 600 feet AMSL.
“Information about our High Ridge Tower built in 1983”
Between 1983 and 1989 the 2 meter repeater was not on the tower, at that time we had a GE Master-Pro 6 meter FM receiver on the tower for the “St. Louis Six Meter Club”.
It was back to back with our 444.550 mhz GE Master-Pro repeater, to link to the 6 meter FM transmitter located in Marilyn Heights, MO on a 160 foot tower.
Between 1989 and 1993 the GE Mastro-Pro 6 meter repeater was converted to a 145.250 mhz repeater, it was back to back with our 444.550 mhz GE Master-Pro repeater and was used by the “The Pilots Radio Club”.
In 1993 the Weiss Airport closed and that ended “The Pilots Club”.
Between 1993 and 2000, The tower had a GE Mastro-Pro 145.250 mhz repeater, and seperate GE Master-Pro 444.550 mhz, 444.750 mhz and 444.850 mhz repeaters, and was used by K0RWU, and his friends.
In 1995 the 145.250 repeater frequency was given to KB0RFO for his link to Washington, MO.
Between 1995 and 2000, The GE Master-Pro 444.550 mhz, and was interface with the GE Master-Pro 6 meter, and the GE Master-Pro 10 meter remote bases, and the separate 444.750 mhz and 444.850 mhz repeaters was used by K0RWU, and his friends.
Between 2000 and 2006, The tower had a Yaesu FTR-2410A repeater at 146.925 mhz, and was interfaced with the GE Masterr-Pro 6 meter, and the GE Master-Pro 10 meter remote bases, without the UHF back-to back repeater. Also, separate GE Master-Pro 444.550 mhz and 444.750 mhz and 444.850 mhz repeaters.
Between 2006 and 2010, All our newer Vertex VXR-5000 2 meter and UHF repeaters were installed.
At Present, The HR tower has a Vertex VXR-5000 repeater at 146.925 mhz and back to back to a Vertex VXR-5000 at 444.550 mhz.
A RCI-5054DX receiver at 50.400 mhz and interface to Vertex VXR-5000 444.750 mhz repeater.
Vertex VXR-5000 at 444.850 mhz repeater connected to a Yaesu FT-857D Multi-Band, Multi-Mode Remote Base.
“Information about our Barnhart Tower built in 2009”
The AMARC Barnhart Tower was built to support our 6 meter AM transmitter antenna.
Our Barnhart tower has our RCI-5054DX 50.500 AM repeater transmitter with our 6 meter Mirage A1015 160 RF Amplifier.
Along with the Vertex FTL-7011 UHF radio link receiver.
Also, our Vertex VXR-5000 443.725 repeater, with the Yaesu FT-857D Multi-Band, Multi-Mode Remote Base.