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SSRF-Lite reference data

Chicago Transit Authority

Systems · US / IL / Cook / Chicago · Transit · Updated 2026-10-08 · systems/US/IL/Cook/Chicago/transit/cta.yml

Public safety

Channels

14 assignments, sorted by frequency. Frequency is what your radio receives; input is what it transmits on for repeaters.

Freq (MHz)Input (MHz)ModeTone / CCNameUsageCallsignLocationServiceNotes
44.5400FMCTA Rail LBsimplexWQDW399Chicago, IL (CTA service area)Public safety
453.2750458.2750FMCTA Bus PG1repeaterWSAY246Chicago, IL (CTA service area)Public safety
453.3250458.3250FMCTA Bus PG2repeaterKLS562Chicago, IL (CTA service area)Public safety
453.4750458.4750FMCTA Bus W-GrepeaterWSAV450Chicago, IL (CTA service area)Public safety
453.5750458.5750FMCTCSS 127.3 HzCTA Bus N-GrepeaterWSAV451Chicago, IL (CTA service area)Public safety
470.5375473.5375FMCTCSS 127.3 HzCTA Rail F-3repeaterWQDY331Chicago, IL (CTA service area)Public safety
470.6375473.6375FMCTCSS 127.3 HzCTA Rail F-4repeaterWQDY331Chicago, IL (CTA service area)Public safety
470.9875473.9875FMCTCSS 127.3 HzCTA Rail F-2repeaterKYT938Chicago, IL (CTA service area)Public safety
471.0375474.0375FMCTCSS 127.3 HzCTA Rail F-5repeaterKYT938Chicago, IL (CTA service area)Public safety
471.0625474.0625FMCTCSS 127.3 HzCTA Rail F-6repeaterKYT938Chicago, IL (CTA service area)Public safety
471.0875474.0875FMCTCSS 127.3 HzCTA Rail F-7repeaterKYT938Chicago, IL (CTA service area)Public safety
471.1125474.1125FMCTCSS 127.3 HzCTA Rail F-8repeaterKYT938Chicago, IL (CTA service area)Public safety
471.6625FMCTCSS 127.3 HzCTA Bus RTSsimplexWPRR940Chicago, IL (CTA service area)Public safety
472.9375475.9375FMCTCSS 127.3 HzCTA Rail F-1repeaterKYN262Chicago, IL (CTA service area)Public safety

Sites

1 location.

Organizations

Chicago Transit Authority

Callsigns: KLS562, KYN262, KYT938, WPRR940, WQDW399, WQDY331, WSAV450, WSAV451, WSAY246

org_cta

Authorization

What it takes to transmit on these channels.

Public safety

FCC · Class: Part 90 PLMR

Active CTA licence. TX restricted to licensees. RX-only for general public.

Public safety

FCC · Class: Part 90 PLMR

Source records this CTA licence as EXPIRED, with the frequency reportedly now licensed to A-Beep. Operational status unconfirmed - needs survey before relying on it.

Sources

Where this data came from. Verify on the air before relying on it.