F5ZTU - UHF Relay transponder to VHF

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d star bigorre logo "D-Star Bigorre" It's Here

Information.

In the aim to avoid killing the D-STAR transponder under thunderstorm, and in addition to the already safety measures in place, the main power will be switched off during storms.

Thanks for your understanding

VHF/UHF Transponders

Once upon a Time.... F5ZTU

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The Observatory (Photo F5HPQ)

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Antenna on the left Pylon.

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Tx/Rx VHF + logic

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Armoire e/r UHF

Antenne 400 MHz : omnidirectional 4db brand Kathrein (North side of the pylon).

Antenne 144 MHz : omnidirectional Ground plane 0db Brandprocom.(North/Est of pylon).

Relais UHF actuel : TX: 430.125 RX: 431.725 10W env. Thomson CSF TMF 537 with a duplexer, to be replaced soon by a Motorola MAL 34 EVM1206AT

Voie VHF : TX/RX : 145.2375 mhz 10w env Motorola same type MAL 34.

f5ztu qrv 13072013