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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The Source Archive 

Current Newsletter Webpage

2018 to the Present
Newsletter Archive

2003-2017 most recent first
Case Studies

Emergency Applications - top    
Visitor Applications - below
TechTalk Articles
December 2017
  • Hardly Amateurs: Amateur (HAM) Radio Team Tapped to Manage Information Radio Services for California Town.
  • Opioids, a Real Emergency: Topic Now Allowed for Broadcast on Info Stations.
  • Radio's the Rock: A Steadfast Fixture on the Digital Dashboards of "Connected Cars."
  • NYC Weather: Mostly Missing.
October 2017
  • Starting from Ash; Gatlinburg upgrades warning systems to include innovative emergency radio stations, warning sirens and special signage.
  • Florida City to Launch All-Creole Information Radio Station
    North Miami Beach First to Utilize TIS to Transmit Safety Advisories to Non-English-Speaking Residents.
  • Transmitter Prices Literally Dropping
    Company Removes Middle Man, Lower Prices
  • Fun Fotos from the Field
August 2017
  • Eclipse Excesses Expected; But authorities vow that the public's safety will not be overshadowed.
  • No Phishing Allowed? Are internet threat messages appropriate in a TIS broadcast?
  • Pirates Face Headwinds; The FCC is attempting to sink radio pirates one by one.
June 2017
  • Getting Emergency Notifications to Drivers - without Distraction
    Los Alamos County First EMA to Roll Out New ENcast Service.
  • Calling in Air Support; Arizona DOT taps portable info radio station to keep motorists informed on fires.
  • FCC: Please think inside the box; The Commission puts petitions for "TIS on FM" and "30-watt TIS" on the shelf.
  • Emergency Alert System; Radio is a "go to" medium in emergencies.
March 2017
  • Just-in-Time" Visitor Information: Special events and venues rely on radio to relay info to visitors just as they arrive.
  • Where to you park, when you reach the Park? Grand Canyon National Park gives visitors critical parking directions by radio, as they approach the South Rim.
  • A Page Out of Time? In Quakertown, PA, it's about keeping everyone on the same page.
February 2017
  • EM Broadcasts Boosted Bigly: FCC Approves Enhanced Signal Coverage for Two More Emergency Management Agencies
  • Radio is vital: New FCC Chairman Ajit Pai Compares Medium to Proverbial Tortoise in Race vs High-Tech Hare
  • Tme to check in to see what condition your radio station's condition is in.
  • Emails to The Source: Info radio roams Iowa. Don't bank on tech. Weather Warning Fix a True Team Effort
January 2017
  • Cold Standoff at Standing Rock: North Dakota Health Agency Deploys Resources to Protect Protestors, Press and Public Safety from Winter's Wrath.
  • Hospital Heads-Up: Security must be vigilant Inside and out.
  • Radio Roars Back! Continues to Dominate even Young Dashboards.
October 2016
  • Health Officials Prepare for Zika
  • Weather Radio No Longer the Same/S.A.M.E.
September 2016
  • Inspiring Interpretation at Herbert Hoover National Historic Site.
  • New Portable LIGHTNING LED Message Sign Available Soon.
  • Michigan Airport Uses TIS to Share Pilot-Ground Communications.
August 2016
  • Information Radio Station Assists Community during Blue Cut Fire.
  • Virginia DOT Upgrades HARs.
  • Grainger Adds Emergency/Health Info Radio Station to Online Catalog.
June 2016
  • Coastal Community Readies Emergency Stations for Storm Duty.
  • KCVG & MEM Airports Upgrade TISs.
  • New EAS Codes Coming from NWS.
  • AAIRO Comments on FCC AM Revitalization.
May 2016
  • National Park Service Installs 2 Info Stations in Hawaii.
  • Arcola, IL, Attracts Visitors with Info Radio.
March 2016
  • University of Nevada Broadcasts Text Alerts to Motorists On-Air.
  • Michigan DOT First with High Quality HARs.
  • FCC Entreaty to Report Pirates Promptly.
February 2016
  • FCC Approves New TIS Improvements.
  • A Fair Question; South Florida Fair Uses Radio to Speak to 500,000 patrons.
January 2016
  • Operators in the East prepare blizzard broadcasts.
  • A new ultra-portable changeable message sign makes its appearance.
  • The FCC calls for comments on revitalizing AM-band radio.
December 2015
  • Safety agencies disseminate incident info instantly with VoiceStar.
  • TIS Beauty Competition.
  • When is interference not really interference?
  • Info radio frequencies continue to be available almost everywhere except big cities.
November 2015
  • Montecito Fire Protection District engages all available technology to keep residents safe during "Gibraltar Incident" fire.
  • New FCC rule changes will benefit public safety, emergency managers.
  • The world's first full-bandwidth TIS transmitters are on the air.
  • Nation's premier emergency management expo plays Las Vegas.
August 2015
  • FCC approves "mega-sized" info station, granting AGREM in PA 3 waivers.
  • Station WRCR wreaks havoc in NY?
June 2015
  • Studies rank radio #1 for local info with motorists.
  • FCC rules regarding weather broadcasts remain cloudy.
May 2015
  • National Parks task TIS to interpret & inform.
  • El Nino on the horizon.
  • TIS filters' historic debut.
  • Remote site transmission analyzer debuts.
April 2015
  • Grand Prix West acquires RadioSTAT and changeable message signs for annual event.
  • Information Station Specialists debuts High Quality (HQ) TIS/HAR transmitter & filter.
  • Hudson County acquires surprising ally in its quest to install a 100-watt info station.
March 2015
  • Cities unserved by broadcasters fill need with Information Radio.
  • FCC permits filtering to improve TIS audio quality.
  • Pennsylvania agency asks FCC to boost antenna height and range.
February 2015
  • New England towns maintain constant contact with citizens by radio, even as snow stacks up and power goes down.
January 2015
  • 2 Flight 93 Memorial stations help motorists find the 9/11 crash site.
  • InfoRadio Format aids prep of non-emergency broadcasts.
December 2014
  • Tennessee Public Health employs portable emergency advisory radio for student lock-downs and other emergencies.
  • FCC ruling makes life difficult for New York top-of-band TISs.
October 2014
  • Penn Turnpike hosts TISs for new Flight 93 Memorial.
  • Orange County CA toll road authority tells motorists how to pay tolls in arears.
  • In-car radio listening ranks well compared to cell phones, in new studies.
September 2014
  • Tahoe routes residents away from frightening California King Fire.
  • Health and emergency officials prepare with emergency advisory radio for possible Ebola and ISIS crises.
August 2014
  • Health officials plan with RadioSTAT for possible Ebola outbreak.
  • California quake & flood test Info Radio services.
  • Agreement among Commenters that TIS audio filters should be wider.
June 2014
  • Beach towns prepare for 2014 hurricane & flood season.
  • FCC reply comments encouraged for improved TIS sound.
  • Potential interference in NYC area.
May 2014
  • San Marcos, CA, uses RadioSTAT Portable Radio Station to inform motorists in wildfire evacuation.
  • After 37 years, the FCC offers some clarity on what operators may say on TISs.
  • NOAA "Weather Radio" station provides hot and cold performance similar to the very weather it forecasts.
April 2014
  • Naperville, IL, adopts the latest Info Station technology & others doing the same.
  • FCC asks for comments on “wider” audio filters.
  • What FCC Chairman Wheeler has to say about broadcasting weather forecasts.
  • Recap: Public Health Summit “POD” demo a success.
March 2014
  • RadioSTAT tapped to provide real-world radio broadcast instructions to preparedness summit participants.
  • Hudson County petitions FCC for more wattage.
  • Idyllwild California radio station profile.
February 2014
  • Winter storms hammer the East & West while info radio shines.
  • NJ signal monitored in Sweden.
  • Teen-designed emergency signs go on line.
January 2014
  • HOAs & CDDs turn to micro radio stations to inform and notify.
  • NY's national weather radio station disappeared, reappeared, then disappeared again - in time for a snow storm.
  • Florida DOT asks FCC permission for cozier station spacing.
November 2013
  • Savannah National Wildlife Refuge uses radio to tell its story.
  • Transmitter filtering progress with the FCC.
  • New commercial station crowds 1700-kHz NY station.
October 2013
  • NY City frequency concern.
  • FCC 'not open for normal ops.'
  • Low Power FM gets worse.
September 2013
  • Mount Rainier National Park, first to have networked info stations.
  • Why most public safety agencies are wary of Low Power FM.
  • Do TIS filters protect broadcasters?
August 2013
  • Information Station Specialists turns 30.
  • Indy & surrounding counties employ info radio at PODs.
  • Historic revision of TIS Rules meets broad approval by emergency managers.
July 2013
  • TIS rule changes summarized.
  • TIDE formula for evaluating broadcast content.
June 2013
  • Attractions like TX State Fair use radio service to protect guests.
  • White fire blackens Santa Barbara Hills; info radio assists.
  • TIS Rules update progress.
April 2013
  • Emergency managers prepare for hurricanes with info radio stations.
  • Disasters influence TIS Rules update by FCC.
  • InfoRadio Format introduced to improve broadcast quality.
January 2013
  • Hurricane Sandy & Newtown incident prompt emergency managers to remind FCC of value of info radio stations.
  • A signal measurement device to ensure compliance.
  • Peabody, MA's, magnetic reminder.
  • Dick Burden shares a history of TIS.
2012 Emergency Health Examples

October 2012

  • Hurricane Sandy
  • Internet streaming.
  • Customs Border Protection stations.

December 2012

  • Withstanding Hurricane Sandy.
  • PowerSTAT for vaccines.
  • LAX radio.

Spring 2011

  • Examples of interpretation at tourist sites.

Winter 2003, Updated 2012

  • Ports Need Accessible, Effective Security Solutions


  • Years of Service Since 1983 Have Implications for Today:
    The Outgrowth of 'Emergency Advisory Radio' 
Visitor Info Applications       
Get a complimentary Making Waves cd produced by Oregon State University, containing interviews of interpreters across the country with sample broadcasts. See also case studies below.

See also a list of national places that have used our info radio stations.



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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