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  2. Antenna types - Wikipedia

    en.wikipedia.org/wiki/Antenna_types

    These are used as the receiving antenna in most portable and desktop consumer AM radios made for the medium wave broadcast band, and for lower frequencies. [t] Small transmitting loops Small transmitting loops are loop antennas whose perimeters are smaller than a half-wave, that have been specifically optimized for transmitting.

  3. AN/PRC-6 - Wikipedia

    en.wikipedia.org/wiki/AN/PRC-6

    The unit may be changed to a different frequency in the field by replacing the crystal and adjusting tuned circuits, using tuning indicator ID-292/PRC-6. The tuning chart inside the case is not accurate enough to properly align the unit. The AN/PRC-6 uses a 24 in (61 cm) whip antenna, with a BNC connector for an external direction finding ...

  4. AN/PRC-10 - Wikipedia

    en.wikipedia.org/wiki/AN/PRC-10

    The AN/PRC-10 is an American VHF portable radio transceiver, introduced in 1951 [1] as a replacement for the wartime SCR-300 set. The AN/PRC-8 and AN/PRC-9 sets are basically the same but cover lower frequency bands. It remained in service with the American military until the mid 1960s when it was replaced by the transistorized AN/PRC-25 set.

  5. AN/PRC-117 - Wikipedia

    en.wikipedia.org/wiki/AN/PRC-117

    A PRC-117 radio and SATCOM antenna. The AN/PRC-117F/G radio is currently in use with the United States Navy Seabee and EOD teams in their MRAP and JERRV vehicles. [2] The radio is also in use by the United States Marine Corps, [6] United States Army, [7] USSOCOM, [8] United States Coast Guard, United States Air Force, [9] Royal Air Force, [10] Dutch Army, Spanish Air Force, British Army ...

  6. Helical antenna - Wikipedia

    en.wikipedia.org/wiki/Helical_antenna

    Their compact size makes helicals useful as antennas for mobile and portable communications equipment on the HF, VHF, and UHF bands. [citation needed] A common form of normal-mode helical antenna is the "rubber ducky antenna" used in portable radios. A handheld two-way radio, with the rubber sleeve removed from the antenna.

  7. Monopole antenna - Wikipedia

    en.wikipedia.org/wiki/Monopole_antenna

    A monopole antenna is a class of radio antenna consisting of a straight rod-shaped conductor, often mounted perpendicularly over some type of conductive surface, called a ground plane. [ 1 ] [ 2 ] [ 3 ] The driving signal from the transmitter is applied, or for receiving antennas the output signal to the receiver is taken, between the lower end ...

  8. Rubber ducky antenna - Wikipedia

    en.wikipedia.org/wiki/Rubber_ducky_antenna

    Before the rubber ducky, antennas on portable radios usually consisted of quarter-wave whip antennas, rods whose length was one-quarter of the wavelength of the radio waves used. [1] In the VHF range where they were used, these antennas were 0.6 or 0.9 m (2 or 3 feet) long, making them cumbersome. They were often made of telescoping tubes that ...

  9. AN/PRC-77 Portable Transceiver - Wikipedia

    en.wikipedia.org/wiki/AN/PRC-77_Portable_Transceiver

    AN/PRC 77 Radio Set is a manpack, portable VHF FM combat-net radio transceiver manufactured by Associated Industries [1] and used to provide short-range, two-way radiotelephone voice communication. [2] In the Joint Electronics Type Designation System (JETDS), AN/PRC translates to "Army/Navy, Portable, Radio, Communication."

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