138-174MHz BENT ROD/NON TSO'D (DM C63-3/A) Frequency Range 138-174 MHz The DM C63-Series antennas are VHF communication antennas designed for high mechanical strength with machine tapered aluminum alloy radiating elements. These vertically polarized antennas cover the frequency range of 138-174 MHz for both transmitting and receiving applications. The DM C63-3/A is a low profile "bentback" radiating element designed for mounting on the bottom of the fuselage. All DM C63-Series antennas are supplied with a gasket and a doubler plate. Electrical Frequency Range 138 - 174 MHz VSWR 3.5:1 Polarization Vertical Radiation Pattern Omnidirectional Gain Equivalent to a quarter wave stub Impedance 50 Ohms Power 50 W TSO C37d and C38d Mechanical Weight 8 oz Height 8.1 in. Max Finish White Connectors BNC Female Environmental Per D0160C F2-ABCXXXXXXXXXXXXXXXX
The DM C63-2 is listed in the alternate items tab. Does that mean this they are capable of the same frequencies?
The DM C63-3/A Antenna has a Frequency Range 138-174 MHz
while the DM C63-2 has a Frequency Range of 118-137 MHz.
What is the significance of the different frequencies? Are they not both Comm antennae? I looked up the specs for a King KX165 and see no reference to frequency in the range of either antenna.
All comm antenna's operate on the same frequencies. The only difference is the style of the antenna.
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