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StarCom21 uses about 186 radio towers throughout the state of Illinois, many owned by state agencies. It uses radio channels in the 700 and 800 MHz bands, all licensed to the State of Illinois . It uses APCO-25 9600 baud control channel frequencies and APCO-25 digital modulation.
The development of the APCO Ten Signals began in 1937 [5] to reduce use of speech on the radio at a time when police radio channels were limited. Credit for inventing the codes goes to Charles "Charlie" Hopper, communications director for the Illinois State Police, District 10 in Pesotum, Illinois.
A police radio code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include " 10 codes " (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes , or ...
Police radio systems historically used public radio frequencies, and listening to them was, for the most part, legal. Most modern police radio systems switched to encrypted radio systems in the 1990s and 2000s to prevent eavesdroppers from listening in.
Northern Illinois University: Public radio (News/Talk, AAA) WNIJ: 89.5 FM: DeKalb: Northern Illinois University: Public radio (News/Talk, AAA) WNIQ: 91.5 FM: Sterling: Northern Illinois University: Public radio (News/Talk, AAA) WNIU: 90.5 FM: Rockford: Northern Illinois University: Classical WNIW: 91.3 FM: La Salle: Northern Illinois University ...
Code 1: A time critical event with response requiring lights and siren. This usually is a known and going fire or a rescue incident. Code 2: Unused within the Country Fire Authority. Code 3: Non-urgent event, such as a previously extinguished fire or community service cases (such as animal rescue or changing of smoke alarm batteries for the ...
ESPN Radio 1490 The Fan KAKS: 99.5 FM Fayetteville: AR: ESPN Radio 99.5 KTTG: 96.3 FM Fort Smith: AR: ESPN Radio 96.3 KABZ: 103.7 FM Little Rock: AR: 103.7 The Buzz KLAA: 830 AM Anaheim: CA: Angels Radio AM 830 KGEO: 1230 AM Bakersfield: CA: ESPN Radio 1230 KFPT: 790 AM Clovis: CA: ESPN Radio 790 KATA: 1340 AM Eureka: CA: ESPN Radio 92.7 / 1340 ...
(a) To develop the use of personal radio services as an additional source of communications for emergencies, disasters, and as an emergency aid to individuals; [1] (b) To establish 24-hour volunteer monitoring of emergency calls, particularly over officially designated emergency frequencies, from personal radio service operators, and report such calls to appropriate emergency authorities; [1]