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 
Click here to see recent articles. On the Air  2003 through 2016 
(In reverse sequence)
Case Studies - Emergency Applications
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.
  • PINS notifies existing operators of potential interference issues for FCC appeal.
  • 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' 
Case Studies - 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.


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PO Box 51, Zeeland, Michigan, USA, 49464-0051, Phone 616.772.2300, Fax 616.772.2966, Email

The USA's best known source for Travelers' Information Stations, Highway Advisory Radio & related products/services.

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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.