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Whip antennas for portable radios are often made of a series of interlocking telescoping metal tubes, so they can be retracted when not in use. Longer whips, made for mounting on vehicles and structures, are made of a flexible fiberglass rod around a wire core and can be up to 11 m (35 feet) long. The length of a whip antenna is determined by ...
Antenna systems: Short: 3-foot AT-272, folding steel tape whip; Long: 10-foot AT-271, collapsible 7 section fishing pole whip joined by an internal stainless steel cable;
Not to be confused with the similar shaped, but much larger axial mode helix , nor to be confused with loop-type antennas. [o] Ground plane A whip antenna with several rods extending horizontally from base of the whip in a star-shaped pattern, similar to an upside-down radiate crown, that form the artificial, elevated ground plane that gives ...
Antenna Tuning Capability: OE-505 10-foot (3 m) whip, RF-1941 dipole, random wires, long wires [10] Data Interface: USB and Ethernet with adapter [10] GPS: Internal antenna, with external antenna connector. Commercial and SAASM-compatible external antennas available for both. [10]
Omnidirectional radiation patterns are produced by the simplest practical antennas, monopole and dipole antennas, consisting of one or two straight rod conductors on a common axis. Antenna gain (G) is defined as antenna efficiency (e) multiplied by antenna directivity (D) which is expressed mathematically as: =.
BRDM-1U – Command vehicle with additional R-112 radios and 3 whip antennas. ... This is done by taking off two the steel panels on top of the launcher's compartment ...