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The original script was recovered from on the Internet Archive. Most credits to this script to the original author.
Edits to this script to support US Translator PIs and Canadian PIs by the DX Sphere and FeralFoxDX/Damian. Edits for addition of the iHeartMedia PI codes by FeralFoxDX/Damian and FN32DXer#9999

For information about RDS abbreviations, descriptions and key terms, view RDS Info.

» If you have any news, updates, additions or corrections... e-mail them to [email protected].

RDS Callsign Identifier (for USA)

This identifier works for U.S. stations (both full-powered and translators) and most full-powered Canadian stations.This identifier does not work for stations outside the U.S. and Canada!
There is no error checking in this JavaScript.
Enter a nonsense PI and you may get a callsign anyway.
PI code:

Some Canadian stations now work.
In some cases, Canadian stations are using the same codes as assigned to U.S. stations.
Often, the "C" is replaced by a "W".
(so if you see a PI code that resolves to "WING" on 107.9 while the real WING is on 102.9, you're probably actually tuned to CING.
Click here for a "reverse calculator", to get a PI code given call letters. Click Calculate.
Your station's callsign should appear in the lower box.
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