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912 Multi wire Broadband Dipoles
- Barrett P/N’s BC91200, BC91202 and
BC91203
Barrett 912 broadband dipoles are ideal for base stations that require operation on
multiple frequencies throughout the HF spectrum using a single antenna.
The Barrett 912 antenna can be mounted either in a horizontal or inverted 'V'
configuration as illustrated in the following diagrams. In the horizontal configuration
the major radiation direction is broadside to the antenna. When mounted in the
inverted 'V' configuration the antenna becomes fairly omni-directional. In the
horizontal configuration the minimum distance between the masts is 32 metres and
the recommended mast height is 15 metres. In the inverted 'V' configuration the
recommended mast height is 15 metres and at this height the 2 metre stub masts
are each installed at a minimum of 19 metres from the mast base. In this
configuration the mast must have an offset or out-rigger bracket, at least 0.8 metres
long, to hold the antenna away from the mast. Support towers may be either lattice
masts as illustrated, tubular telomasts or other support structures that may be
available locally. It is recommended that the halyards used to support the antenna
be either UV stabilised Dacron cord or wire rope and that pulleys should be of
stainless steel construction.
Summary of Contents for 2050
Page 31: ...31 of 285 then press the key ...
Page 99: ...99 of 285 then press key to save the new alias ...
Page 118: ...118 of 285 Upload pack See section Cloning programming from another transceiver ...
Page 224: ...224 of 285 Fitting the 2050 Into the 2040 Manpack Adaptor Removing the Battery Cartridge ...