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SPQ-330 HF Four Arm Multiport Spiral Antenna 2-30 MHz 103 ft

Frequency Range: 2-30 MHz, 2-30 MHz, 2-30 MHz, 2-30 MHz
Gain: 7 dBi
VSWR: 2:1, 4:1, 2:1, 2:1
Polarization: Elliptical, Vertical, Horizontal, Elliptical
Pattern: Omni, Omni, Omni, Omni
Size: 103′ H x 100′ L x 100′ W
Model Number: SPQ-330

 View Product Specs PDF   |   Request Quote

Not finding what you’re looking for? We can custom-build antennas to your exact specifications.
Contact us here or call 1-940-325-3301 for more information.

  • Description
  • Spec Sheet
Description

Applications:

The SPQ-330 HF spiral antennas are designed for installations where space is at a premium and the communication requirement is for operation on several circuits simultaneously. The antennas are four arm spirals that are fed with a four port hybrid designed specifically to provide two short range and two medium range patterns simultaneously. The relatively small installation area and multifunctional operational capability makes these antennas ideally suited for congested antenna fields or sites where space is severely limited. The antenna is protected under US Patent 5189434.

Features:

The SPQ-330 operates as four (4) Separate antennas integrated into one structure. All inputs are isolated from each other permitting full duplex operations on two separate circuits and a medium range skywave circuit simultaneously or three half duplex and one receive only circuit. The spiral is a four arm equiangular design that is would on a pyramidal structure formed by a central tower and four catenaries. The catenaries are dielectric with prepositioned element attachment clamps. The elements are constructed from jacketed cables that provide protection from the environment. The elements are terminated in resistive loads. The tower is a bolted aluminum structure.

Spec Sheet

Spec Sheet

SPECIFICATIONS

PERFORMANCE
Elevation Sea level to 12,000 ft
Power, kW 1
Wind 100 mph, no ice
Humidity 100 %
Rain 4 in/hr, 40 mph winds
Impedance 50 Ohms
Temperature -60°F to +160°F
Lightning MIL-E4158E
Corrosion Protection MIL-STD-454K
Salt Fog MIL-STD-810 Method 509.2
Sand & Dust MIL-STD-810 Method 510.2 Pro II
Azimuth Pattern Omni
Input Connector Type “N”
Port 1 Directive Gain 7
Port 1 Polarization Elliptical
Port 1 Frequency 2-30
Port 1 VSWR 2:1
Port 2 Directive Gain 7
Port 2 Polarization Vertical
Port 2 Frequency 2-30
Port 2 VSWR 4:1
Port 3 Directive Gain 7
Port 3 Polarization Horizontal
Port 3 Frequency 2-30
Port 3 VSWR 2:1
Port 4 Directive Gain 7
Port 4 Polarization Elliptical
Port 4 Frequency 2-30
Port 4 VSWR 2:1
Dimention, H x W x L 103′ x 100′ x 100′
Isolation 25 dB
Fungus MIL-STD0454K Reqt 4
SKU: SPQ-330 Categories: Antennas, HF, Omni Tag: SPQ

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