Optional Equipment for NDB and DGPS Transmitters

MR-5 Monitor/Alarm Receivers

Spares Kits and Boards

MR-5 Monitor Receiver w/ Loop Antenna

Online store for spares. Buy directly from Southern Avionics.

Load Center/Battery Charger Systems

Serial Interfaces: RS232 & RS458

A battery charger is a sound investment in the security of your system during power failures.

Southern Avionics can supply you with the type of serial adapter you require.

144VDC to 120VAC Inverter

Fiber Optic Link

Provides circuit protection

The Multi-Mode Fiber Optic Converter allows the remote control capabilities of both SD and SC Dual transmitters.

Anti-Ice Insulator System

Test Load

For Symmetrical "T" Antennas

A test load is technician's bench test equipment used to simulate the 50 Ohm effect of the antenna tuning unit when calibrating and troubleshooting Transmitter.
Note: Not required for routine operation.

Obstruction Lights

Antenna Simulator

For Symmetrical "T" Antenna supports

An antenna simulator is bench test equipment used to simulate the effect of various antenna loads when calibrating and troubleshooting the Antenna Tuning Unit and Transmitter.
Note: Not required for routine operation.

IP66 Cabinet

Audio PWB for Voice Transmission

SAC equipment cabinets carry a rating of IP66, keeping your electronic equipment dust-tight and dry in the strongest storms to provide maximum security against equipment damage.

 Allows external voice modulation