Model LPH-0504
HF Medium Range LP Antenna 2-30 MHz 12 dBi 252 ft

Frequency Range: 2-30 MHz
Gain: 12 dBi
VSWR: 2:1 Max
Polarization: Horizontal
Size: 252′ H x 400′ L x 616′ W
Military Nomenclature: AS-4134/GRC
Model Number: LPH-0504
Part Number(s): 1500-0295-202, 1500-0313-203

View Product Specs PDF

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The LPH-0504 is a horizontally polarized, fixed station, log periodic antenna is normally used for medium range communications in the 2-30 MHz frequency band.


The LPH-0504 has high gain and low VSWR. All RF connections are galvanic compatible and well-rounded to minimize the possibility of corona at high power levels. Multiple antennas can share common towers in custom configurations.


The LPH-0504 antenna is broadband log periodic array and will operate within the 2-30 Mhz frequency range without any adjustment or tuning.

Equipment Supplied:

Prefabricated alumoweld curtain, 2 bolted 6061-T6 aluminum towers, guy wires, anchors, balun, spare hardware.

Optional Equipment:

Galvanized tower, balun transformer, obstruction ladders, climbing devices, erection kit, and repair kit and repair tool kit. Coaxial cable, connector adapters and mating adapters.

Spec Sheet


Gain 12 dBi
Power Capability, /2 Version 10 kW avg/20 kW PEP
Height 252 Feet
Wind Loading 120 MPH
Back Lobes 14 dB Minimum
Side Lobes 14 dB Minimum
Frequency Range 2-30 MHz
VSWR 2:1 Maximum
Shipping Volume 150
Width 616 Feet
Power Capability, /3 Version 25 kW avg/50 kW PEP
Length 400 Feet
Input Impedance 50 Ohms Balanced
Shipping Weight 7,300
Power Capability, /1 Version Receiving to 1 kW avg/2 kW PEP