The antenna couplers provide the proper impedance for radio frequency and ground support equipment commands.
2.
An antenna coupler was the only other piece of equipment specifically intended for amateur radio use.
3.
Included with the radios on board the ship are two Sunair RT-9000 HF transceivers with matching antenna couplers and vertical antennas.
4.
An RSS consists of two antenna couplers, command receivers / decoders, a dual distributor, a safe and arm device with two NASA standard detonators ( NSD ), two confined detonating fuse manifolds ( CDF ), seven CDF assemblies and one linear-shaped charge ( LSC ).
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