Physical Radio Systems of the WVRA 

last update 12/10/2007

147.135 repeater system - satellite receivers/multicast transmitters

PL 114.8 (2A)

Hatley

The satellite receiver is linked back to the main site at FOX 55 (Hewitt) using a UHF Motorola Maxtrac 100 transmit radio that has VHF GE/Ericsson MDX radio connected to it receiving on 147.735.  The VHF radio is connected to a Micor 2M receive preamp and then connected to a TX/RX bandpass/band reject cavity.  The bandpass/band reject cavity is to keep out decense from the Marathon County Fire transmitter at the same location.  The other side of the cavity is then hooked to the 1/2" hardline that runs up the tower to approximately 110ft on the southeast leg of the tower.  The hardline connects to a Sinclair 2 element exposed dipole omni directional antenna at 110 ft.  The UHF transmitter is connected to Belden 9913 coax.  The coax runs up the tower to 10 feet and connects to a 3 element UHF yagi pointing toward the Hewitt tower.  There is a generator at this site so we have back up power.  We also had limited space (not as limited as Brokaw) to put our equipment in the building so a different mounting scheme and cabinet were used.