ANTENNA PRODUCTS CORPORATION LPH-1

GENERAL DESCRIPTION


LIGHTWEIGHT, ROTATABLE, HORIZONTAL POLARIZATION, MIL TYPE AS-3250/F - LPH-1

photo Antenna Products Corporation LPH-1 Applications

The LPH-1 provides excellent reliability in medium to long range HF circuits. The rotatable antenna allows communication between a fixed station and mobile station, such as ships, aircraft, or tactical deployments.

Features

The LPH-1 rotatable log periodic array (RLPA) is a lightweight, high strength antenna which provides excellent HF performance in the 6.2 to 30 MHz frequency band. A rotary joint allows continuous rotation.

Characteristics

The LPH-1 (Military Type AS-3520/F) lightweight, rotatable, horizontal log periodic antenna, produced to U.S. Air Force requirements, is suitable for use where limited space and difficult access are encountered. The LPH-1 ssystem is supplied with a 60-foot tower. Primarily constructed of aluminium with the longest single piece being twelve feet, the entire system can easily be roof-mounted. A sixty foot self-supporting tower is also available. The rotator is controlled remotely to any azimuth, with lights indicating the antenna heading.

Equipment Supplied

Array, balun transformer, rotator, sixty-foot guyed tower, and remote control unit.

Optional Equipment

Tower from 24 to 60 feet (12-foot increments), erection kit, erection winch, and obstruction lights. Coaxial cable, connector adapters and mating adapters. Computer controller with RS-232 interface.

TECHNICAL SPECIFICATIONS
MODEL
1 1A 1B
Frequency Range
6.2 - 30 MHz 2 - 30 MHz 6.2 - 30 MHz
Power Capability
1 kW avg/2 kW PEP 1 kW avg/2 kW PEP 1 kW avg/2 kW PEP
Input Impedance
50 ohm unbalanced 50 ohm unbalanced 50 ohm unbalanced
VSWR
2.5:1 maximum 2.5:1 maximum 2.5:1 maximum
Input Connector
Type "N" Type "N" Type "N"
Gain 6.2-12 MHz
9 dBi 9 dBi 9 dBi
12-30 MHz
12 dBi 12 dBi 12 dBi
Front-To-Back Ratio 6.2-12 MHz
Bi-directional Bi-directional Bi-directional
12-30 MHz
10 dB 10 dB 10 dB
Azimuth Beam Width
65 degrees nominal 65 degrees nominal 65 degrees nominal
Rotation
.3 rpm continuous .3 rpm continuous .3 rpm continuous
Wind Loading
100 mph, no ice
65 mph, 1/2" ice		 100 mph, no ice
65 mph, 1/2" ice		 100 mph, no ice
65 mph, 1/2" ice
Erected Dimensions (HxLxW) 63 ft x 80 ft x 60 ft 63 ft x 80 ft x 60 ft 63 ft x 80 ft x 60 ft
Tuning radius
32 ft 32 ft 32 ft
Shipping Weight
1,800 lbs 1,800 lbs 1,800 lbs
Shipping Volume
56 cu ft 56 cu ft 56 cu ft
Specifications may change without notice

ELEVATION RADIATION PATTERNS
Antenna Products Corporation LPH-1 elevation radiation patterns