Information Station Specialists is the best known source of travelers information stations, highway advisory radio, advisory signs and services needed to reach motorists with public service information. Learn more about Information Station Specialists.
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  AM Radio Antenna Model ANXX
Up to 100 Watts, 530-1710 kHz



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Downloadable Specification Sheet

Antenna Comparison Chart
Our ANXX Antenna may be mounted atop a square or round pole of wood, metal or fiberglass. It can operate in conjunction with the Vertical Profile Antenna Support and Grounding System. It may also be building-installed on a flat roof using a ballasted stand with groundplane.
Specifications *
  • Frequency range: 530-1710 kHz.
  • Center-loaded whip.
  • Vertically polarized.
  • Omni directional (0-360).
  • Anodized aluminum finish.
  • Adjustable tip for precise tuning.
  • Power: up 100 Watts Carrier (1700 kHz) with 100% modulation. Less at lower frequencies and for modulation types that exceed 100% positive.
  • Radiation efficiency: 28 mV/m/km at 530 kHKz & 73 mV/m/km at 1700 kHz, referenced to 1 KW.
  • 20’ metal support pole, tower or flat roof with 25’ 32-element groundplane.
  • Bandwidth (3:1 SWR): 530 kHz: 5 kHz; 1710 kHz: 10.4 kHz.
  • Temperature endurance: -40°C. to 85°C.
  • Wind endurance: 80 miles per hour with ¼” of ice.
  • Overall assembled length: varies with frequency, i.e., 297” for 530 kHz, 129” for 1700 kHz.
  • Accessories: Split-type mounts with stainless-steel hardware kit; masts, stands; lightning arrestors; enclosures, groundplanes, guying kits.
  • RF exposure separation: 1-meter minimum recommended.

 * These specifications are subject to change without notice.
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PO Box 51, Zeeland, Michigan, USA, 49464-0051, Phone 616.772.2300, Fax 616.772.2966, Email Form

The USA's go-to source for information radio station equipment, related products and technical services.

Trademarks: 2X Signal Booster, ALERT AM Emergency Advisory Radio System, ANXX AM Radio Antenna, AP.55 Digital Message Player, ENcast Emergency Notification Broadcast System, EventCAST Portable Information Radio Service, FAS.6000 Flashing Beacons & Controller, FASTrack Quick-Erect Sign, FlashCAST Internet Broadcast Service, Flashing ALERT Sign System, Free-Radiate On-Premise Radio Broadcast System, HearMoreInfo Internet Broadcasts, HPR.0990 High Performance Antenna, i A.M. Radio Transmitter, Information Station Specialists, InfoRadio Format, Information Station Classic, Information Station IP, Information Station USB, InfOSpot AM Radio Transmitter Station, InfOspot Drive-Thru AM Radio Station, IP.8 Digital Message Player, IP.76 Digital Message Player, ITS.6000 Highway Advisory Radio Network, MGR.021 Digital Audio Management System, LIGHTNING LED Changeable Message Sign, NX8R Digital Message Player, PowerPlane Preassembled Groundplane, RadioSAFE Wide Area Emergency Broadcast System, RadioSTAT Portable Emergency Advisory Radio Station, RE 2.5 Range Extender Outdoor Antenna and Tuner, RESPONDER 1 Portable Highway Advisory Radio System, RoadRunnR Portable Highway Advisory Radio System, SSD.20 Severe Storm Detector, Signal Measurement Radio Receiver, Stealth Sign, StreamCAST Internet Broadcast Service, SS.3000 Free-Standing AM Radio Antenna System with Tower, SX.200 Wattmeter, Talking House AM Radio Transmitter, TH.5 InfOspot Transmitter, TR.6000 Transmitter Model HQ 5.0, TMS.020 Digital Audio Management System, TR.6000 Transmitter Model 15.73, VoiceStar Portable Highway Advisory Radio Station (with or without Changeable Message Sign), VP.9000 Vertical Profile Antenna Support and Grounding System.

Information Radio Stations is a generic term synonymous with Travelers Information Stations (TIS), Highway Advisory Radio Stations (HAR) / Highway Information Systems & Low Power Radio Stations (LPR). Operation of the stations is governed by FCC Part 90.242 Rules. A FCC license is required. Information Radio Stations may be fixed or portable. Subcomponents may include transmitter, antenna and ground system, digital voice player, wateter, cabinet with conventional or Corbin locks, lightning arrestors for RF, power and telephone lines, coaxial cable. Most stations employ black maximized antennas to discourage ice accumulation and security measures to prevent unauthorized program access. Options include synchronization, battery backup, solar power, remote programming by local, network or telco, multi-station audio distribution via RF or LAN / WAN or wireless network