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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2X Signal Booster

AAIRO (American Association of Information Radio Operators)

Accelerate R2 Network Challenge

Airports, Stations for

ALERT AM Case Studies

ALERT AM Emergency Advisory Radio System

ALERT AM Exclusive Features

ALERT AM Planning Steps

ALERT AM Technical Specifications

Alert Signs, Flashing

Alert Signs, Stealth

Alert Stations across America

All Hazard Warning System

All Products at a Glance

Amateurs, Radio Stations for

American Association of Information Radio Operators

AMREADY Broadcast Products

Andersonville National Historic Site Case Study - Information Station

Antenna, AM Radio (ANXX)

Antenna, High Performance AM Radio (HPR.0990)

Antenna Support and Grounding System, Vertical Profile (VP.9000)

Antenna System with Tower, Free-Standing AM Radio (SS.3000)

ANXX AM Radio Antenna

Applications, FCC  License

Archway Monument National Park Case Study - Information Station

Articles Index - Recent

Articles Index - Archival

Audio Control Methods, Comparison of

Audio Distribution to Satellite Stations

Audio Filter, HQ5.0

Audio Processor, HQ5.1

Aurora Illinois Case Study - ALERT AM Emergency Advisory Radio System  (See also Feb 2017 article.)

Avalon New Jersey - ALERT AM Emergency Advisory Radio System


Bainbridge Island, WA, in the news, Jan 2019 (See also earlier article from Feb 2017.)

Baker, Bill - Information Station Specialists Founder

Battle Creek Michigan Emergency Advisory Radio System - ALERT AM Synched Stations

Beacons, Flashing

Beverly Hills California - ALERT AM System Upgrade to Workstation Audio Control

Big Sable Point Lighthouse Radio Station

Borders, Radio Stations for (See "Customs..."   &   "Ports..." below)

Bridges, Stations for

Broadcast Products, AM

Broadcasts, Emergency Text Notification to Broadcast

Broadcasts, Permitted Content

Broadcasts, Professionally Recorded Messages

Broadcasts, Streaming over the Internet

Broadcasting (See "Audio Control Methods"  &  "Permitted Content"   &  "Recording Services.")

Brochures (Linked & download-able from each product's webpage.)

Brooklake Christian School Case Study - Flashing Signs

Burke, Ron (See "Hendricks County...")

Byways, Stations for


Case Study Index

Cel/Synchronization (See "GPS Frequency Stabilization.")

Cleveland Metroparks - InfOspot Stations

Changeable Message Signs

Colleges, Radio Stations for

Community Development Districts, Radio Stations for

Comparison Chart - Audio Control Methods

Comparison Chart - Product Features

Contacts, Information Station Specialists

Content Permitted by the FCC for Information Radio Broadcasts

Conventional AM Radio Antenna

Corporate Overview, Information Station Specialists (See also "Corporate Resume.")

Coronavirus (See "COVID-19...")

COVID-19 Drive-Thrus & Vaccinations - Emergency Advisory Radio Stations for

COVID-19 Public Service Announcement

Crab Orchard Wildlife Refuge - InfOspot Station

Crazy Horse Monument South Dakota - Information Station

Customer Comments

Customs and Border Protection Case Study - Information Station

Cut Sheets (Email Us to request specific cut sheets.)


DelDOT Highway System

Digital AM

Digital Audio Management Systems

Douglas County Nebraska - Emergency Advisory Station     

Drive-Thru Health PODs


Elk Viewing Area, PA

Emergency Advisory Radio Stations

Emergency Advisory Radio Stations across America

Emergency Advisory Radio Stations, History of

Emergency Alert Systems for Counties - Specific Area Message Encoding - NOAA Alerts (See also "ENcast.")

ENcast Emergency Notification Text-to-Broadcast System

Entry Points, Radio Stations for

Events, Radio Stations for (See also examples in the news.)

EventCAST Radio Station and LED Sign Rentals

EvINFO (See "EventCast.")


Fairs (See also Mar 2017 article.)


FAS.6000 Flashing Beacons and Controller

FASTrack Quick-Erect Portable Signs

FCC Application Method

FCC Comments on AM Broadcasters Going All-Digital

FCC Licensing Services

FCC Shutdown

FCC TIS Compliance Guide, 2014

FCC TIS Rules, 2015 Update

Features Comparison Chart for Our Products

Federal Communications Commission (See FCC, above.)

Filter, HQ5.0 Audio (for TR.6000 HQ5.0 Transmitter)

Firsts, Notable

FlashCAST Internet Broadcasts

Flashers and Controllers for Highway Signs - FAS.6000

Flashing ALERT Signs

Flashing Signs Case Studies

Flashing Sign Products

FlexPlane Groundplane Product Overview

Florida Fair

Formula for Determining Appropriate Broadcast Content

Fort Bend County Texas - ALERT AM and Portable Network of Synched Stations

Fort Bend County Texas Broadcasts Opioid Messages

Fort Lee, NJ

Fort Wayne IN, Historic

Founder, Bill Baker

Founding, Information Station Specialists

Free-Radiate Systems

Free-Standing AM Radio Antenna System with Tower (SS.3000)\

Frequency Search Services

Frequently Asked Questions

Funding Ideas


Gallatin County Montana Case Study - 5 Portable Emergency Advisory Radio Stations

Gatlinburg, TN (Wildfire Evacuation article, 2018)  See also Oct 2017 article.

Genoa Church, Columbus, OH

Glossary of Radio Terms

GPS Frequency Stabilization

Grand Canyon National Park, AZ (See also Mar 2017 article on how the park uses radio.)

Grand Prix, Long Beach, CA

Great Platte River Road Archway Monument Case Study - Information Station





Haleakala National Park Clara Barton National Historic Site Glen Echo Park

HAMs - Portola Valley, CA


H1N1 Flu Vaccinations

HAZMAT, Radio Stations for

Health, Radio Stations for Public

HearMoreInfo Internet Broadcasts

Hendricks County, IN

High Performance Antenna (HPR.0990)

Highway Advisory Radio Stations

Historic Fort Wayne, IN

History of Information Station Specialists

History of Travelers Information Stations at National Parks

History of Travelers Information Stations at LAX

History Stations

Hocking Hills, OH

Home Owner Associations, Radio Stations for

Hoover National Historic Site Station

Hospital Information Stations (See also Radio Stations for Public Health.)

HPR.0990 Antenna (See also "Norfolk Virginia's WJOI Switches to HPR.0990.")

HQ5.0 Audio Filter (See also TR.6000 HQ5.0 Transmitter.)

HQ5.1 Audio Processor (See also TR.6000 HQ5.0 Transmitter.)


i A.M. Radio Enhanced Audio Transmitter (See InfOspot System. For pre-2020 Talking House sign art and instruction manuals, see Talking House Resources.)

Idyllwild California Case Study  &  Update 1   &   Update 2

Indiana District 5 Health - RadioSTAT & Portable Message Signs

Indianapolis Indiana (See "Indiana District 5..., immediately above")

Industry, Radio Stations for

InfoRadio Format

Information Radio Systems Overview - FCC Licensed

Information Radio Stations - License Free

Information Station Case Studies

Information Station Classic or IP

Information Station Exclusive Features

Information Station Planning Steps

Information Station Technical Specifications

InfOspot Case Studies

InfOspot (Talking House) License-Free Radio Station

InfOspot Portable License-Free Radio Station

Installation Services

Interpretive Radio Stations - Case Studies

Iowa Department of Natural Resources - Information Station

IP.76 Digital Message Player Product Overview

ITS.6000 Highway Advisory Radio Network Main Page

ITS.6000 Highway Advisory Radio Network Exclusive Features

ITS.6000 Highway Advisory Radio Network Planning Steps

ITS.6000 High Advisory Radio Network Technical Specifications

Kingman, AZ

Lago Vista, TX

Lahar Emergency Application

Lake Okoboji Protective Association - Information Station

Lake Tahoe California Case Study - RadioSTAT Station.

LAX Radio and the Origin of the Travelers Information Service by Dick Burden

Leasing Information Radio Stations

Lexington-Fayette County, KY

License-Free Solutions

Licensing Services, FCC

Lighthouse Information Radio Station (See "Ludington...")


Lights on Signs Technology Case Study - Flashing ALERT Signs.

Limitations of Information Radio by the FCC (See also "Signal Penetration.")

Live Remote Technical Support

Los Alamos, NM, Case Study - ALERT AM  &  (See also an article update about ENcast.)

LOST Girls Case Study

Low Power FM

Ludington Michigan - Historic Sites Information Station


Maine Township Illinois - RadioSTAT Portable Emergency Advisory Radio Station

Maintenance Recommendations for Operators

Making Waves with Information Radio

Manasquan New Jersey - survives Hurricane Sandy with Information Station

Marco Island Florida Station

Maury County Tennessee Rippavilla Plantation Station - Information Station

Men's College World Series (See Douglas County NE)

Micro Broadcasters, Radio Stations for

Middle Creek Visitor Center, PA

Military, Radio Stations for

Minneopa State Park, MN

MGR.21 Digital Audio Management System

Montana Department of Fish Wildlife and Parks - InfOspot Station

Montecito, CA

Mount Mitchell State Park, NC


Naperville Illinois Case Study - Emergency Advisory Radio

National Places that Have used Information Radio Stations

National Safety Councel Opioid Broadcast Messages

New Orleans, Port of

New York Weather Radio

News - Recent

News - Archive

Nez Perce National Historical Park - InfOspot Station

NOAA Weather Radio

Nocatee Florida Community Development District Case Study - Information Station

Nonprofits, Radio Stations for

Norfolk Virginia's WJOI Switches to HPR.0990 Antenna

North Carolina State Park - Mount Mitchell - See also a Dec 2019 update.

North Dakota Department of Transportation Station

North Miami Beach, FL

North Plainfield Borough Case Study - Information Station (See also North Plainfield Sep 2018 update and Jan 2019 update.)

North Tahoe California Fire Protection District Case Study - RadioSTAT Station

NX.8.R Digital Message Player Operating Instructions

NX.8.R Digital Message Player Product Overview


Okaloose County Florida's Reunification Stations for Parent/Students

Oldham County, KY - plus Update about Use of Signs Telling Motorists when Not to Enter Interstate

Operators' Zone

Opioid Broadcast Messages

Orlando Florida Case Study - Emergency Advisory Radio Network


Pacific States Marine Fisheries - Information Stations for Invasive Species Control

Palm Desert Sun City California Case Study - Information Station

Palmito Ranch Battlefield - Information Station

Parking, Radio Stations for

Parks, National - Radio Stations

Parks, Radio Stations for

Part 15 Solutions

Peabody Massachusetts - Internet Streaming & Magnetic Signs

Pennsylvania Game Commission Elk Viewing Area

Point Reyes National Seashore, CA

Points of Distribution (PODs)

Portable Changeable Message Sign - VoiceStar

Portable LED Changeable Message Sign - LIGHTNING

Portable Quick-Erect Temporary Sign

Portable Radio Stations

Portable Signs Overview

Port of New Orleans

Portola Valley, CA. See also a Dec 2019 update & Mar 2020 newsletter

Ports - Emergency Advisory Radio Systems

PowerPlane Groundplane (See "FlexPlane...")

Processor, HQ5.1 (for TR.6000 HQ5.0 Transmitter)

Products, All at a Glance

Professional Recording Services

Public Health, Radio Stations for

Public Safety, Radio Stations for

Public Schools, Radio Stations for

Public Service Announcement (See "COVID...")

Purchase Methods for FCC-Licensed Stations

Puyallup Washington Case Study - ALERT AM Emergency Advisory Radio


Quakertown, PA

Questions, Frequently Asked


RadioExpress (See EventCast.)

RadioSAFE Wide Area Emergency Radio Broadcast Systems (See also "Waldo County Maine First to Get RadioSAFE.")

RadioSAFE Wide Area Emergency Radio Broadcast Systems Planning

RadioSTAT Case Studies

RadioSTAT Portable Emergency Advisory Radio Station

RadioSTAT Portable Emergency Advisory Radio Station Exclusive Features

RadioSTAT Portable Emergency Advisory Radio Station Planning Steps

RadioSTAT Portable Emergency Advisory Radio Station Technical Specifications

Radio Terminology, Glossary of

Range Extender Outdoor Antenna and Tuner Intro - for Talking House (i A.M. Radio) / InfOspot Transmitters

Reagan National Airport Station

RealTIME Transmitter Synchronization (See "GPS...")

Recording Services

Remote Technical Support

Rental Station

Returns, Repairs, & Replacements

Reunification Stations

Rippavilla Plantation Historic Site (See "Maury County...")

Ray Rothrock (See "Portola Valley...")

Rules, FCC


Safety, Radio Stations for Public

S.A.M.E. Technology

San Marcos Pass California Case Study - Emergency Advisory Radio System, ALERT AM & VoiceStar

San Marcos California Uses RadioSTAT during Wildfire

Satellite Stations, Audio Distribution to

Savannah Wildlife Refuge - InfOspot Stations

Schools, Radio Stations for

Services, Installation

Services, Licensing and Frequency Searches

Services, Recording

Services, Technical Support

Seven Reasons Customers Say They Buy Information Radio Stations

Severe Storm Detector SSD.20     

Signal Booster, 2X

Signal Measurement Radio Receiver

Signal Penetration (See also "Limitations...")

Signs, Advisory

Signs, Flashers & Controller for

Signs, Flashing

Signs, LED Message

Signs, Portable

Signs, Stealth

Signs, Temporary



Source, The - Information Radio Newsletter (current)

Source, The - Information Radio Newsletter (archival)

South Florida Fair (See also a Mar 2017 article.)

Specific Area Message Encoding System

SS.3000 Free-Standing AM Radio Antenna System with Tower

Standard AM Radio Antenna (ANXX)

Standing Rock, ND

State University of New York at Buffalo - Information Station Case Study

Stealth Signs

StreamCAST Internet Broadcasts

Streaming, Internet

Sun City Palm Desert California Home Owner Association - Information Station

SuperStation3000 (See "Antenna System, High Efficiency.")

SUNY Buffalo Case Study - Information Station

SX.200 Wattmeter Operating Instructions

Synchronization of Satellite Stations


Tahoe California (See "North Tahoe...")

Talking House AM Radio Transmitter with or without i A.M. Radio Enhanced Audio (See InfOspot System instead. For pre-2020 Talking House sign art and instruction manuals, see Talking House Resources.)

Talking House Resources

Technical Support

Technical Tips for Operators

Temporary Radio Station

Texas Historical Commission - Information Station

Texas State Fair - EventCAST

TIDE Formula for Determining What May Be Broadcast

TMS.020 Digital Audio Management System

tornadoAlert (See "Severe Storm Detector" ...)

TR.6000 HQ5.0 Transmitter (See also Audio Filter HQ5.0 and Audio Processor HQ5.1.)

TR.6000 Model 15.73 Transmitter

Traffic Control, Radio Stations for

Transmitter System, TR.6000 Model 15.73

Transmitter System, TR.6000 HQ5.0

Travelers' Information Stations

Travelers' Information Stations LAX History

Travelers' Information Stations NPS History

Turnkey Installation



Universities, Radio Stations for

Upgrade Ideas for Operators

Upper Delaware Scenic and Recreational River - Information Station & InfOspot Stations


Ventura County California Case Study - RadioSTAT Station

Ventura County California Case Study - VoiceStar Portable Station with Changeable Message Sign

Vertical Profile Antenna Support and Grounding System (VP.9000)

Visitor Information, Radio Stations for

Visitor Information Stations at National Parks, Byways, Forests, Monuments, Seashores, Refuges & Historic Sites

Voice Star Case Studies

VoiceStar Changeable Message Signs without Radio

VoiceStar Portable Highway Advisory Radio Stations with Optional Changeable Message Signs

VP.9000 Vertical Profile Antenna Support and Grounding System


Waldo County Maine First to Get RadioSAFE. See also an IAEM article and an ICMA article.


Wattmeter Operating Instructions

Weather Radio, NOAA - Specific Area Message Encoding System

Wide Area Emergency Radio Broadcast Systems, RadioSAFE

Wildland Residents Association Case Study - Emergency Advisory Radio System

Winslow Hill Elk Viewing Area Stations

Wireless Audio Link

Why Buy Information Radio Stations


Zane Grey House - InfOspot Station

Contacts All Products at a Glance Alert Stations across the USA Customer Support Policy Site Map
Customer Support Policy For Emergencies Case Studies FCC Frequencies & Licenses
Founding & Firsts For Health Applications FAQs Installation, Testing, Training
Privacy Policy For Highways FCC-Permitted Broadcasts Professional Recordings
For Visitor Information Glossary of Radio Terms Rentals
  For Other Common Applications News from The Source Streaming  
For License-Free Stations Operators' Zone Warranty
  Why Customers Say They Buy

©  1983-2020  • Information Station Specialists, Inc. •  All Rights Reserved
PO Box 51, Zeeland, Michigan, USA, 49464-0051, Phone 616.772.2300, Fax 616.772.2966, Email Form

The USA's best known 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, AP55 Digital Message Player, ENcast Emergency Notification Broadcast System, FAS6000 Flashing Beacons & Controller, FASTrack Quick-Erect Sign, FlashCAST Internet Broadcast Service, Flashing ALERT Sign System, FlexPlane Factory-Assembled Groundplane, Free-Radiate On-Premise Radio Broadcast System, HearMoreInfo Internet Broadcasts, HPR0990 High Performance Antenna, i A.M. Radio Transmitter, Information Station Specialists, InfoRadio Format, Information Station Classic, Information Station IP, InfOSpot License-Free Radio Station, IP8 Digital Message Player, IP76 Digital Message Player, ITS6000 Highway Advisory Radio Network, LIGHTNING LED Portable Changeable Message Sign, NX.8.R Digital Message Player, Potential Interference Notification Services (PINS), EventCAST Portable Information Radio Service, RadioSAFE Wide Area Emergency Broadcast System, RadioSTAT Portable Emergency Advisory Radio Station, Severe Storm Detector, Signal Measurement Radio Receiver, Stealth Sign, StreamCAST Internet Broadcast Service, SS3000 Free-Standing AM Radio Antenna System with Tower, Stylized ISS Logo, SX200 Wattmeter, Talking House AM Radio Transmitter, TR6000 Transmitter Model HQ5.0, TR6000 Transmitter Model 15.73, VoiceStar Portable Highway Advisory Radio Station (with or without Changeable Message Sign), VP9000 Vertical Profile Antenna Support and Grounding System, Wireless Audio Link.

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.