Question about RDS PC receiver card.

I've got an RDS PC receiver card (ADS Cadet model RDX1187) and it does not display the station ID correctly. One station WSB is displayed as WSA. And all 4 of the Clear Channel stations are displayed with "K" calls. BUT other stations are displayed correctly. Just wondering if anyone has any experience with this. Thanks.

WSB---Not sure about that one. In regard to the Clear Channel (iHeart) Station. For some reason they transmit some RDS (PI) codes slightly out of standard. It has something to do with the implementation of TMC (Traffic Data) they transmit. More recent hardware will correct that issue.

kf4rca said:

I've got an RDS PC receiver card (ADS Cadet model RDX1187) and it does not display the station ID correctly. One station WSB is displayed as WSA. And all 4 of the Clear Channel stations are displayed with "K" calls. BUT other stations are displayed correctly. Just wondering if anyone has any experience with this. Thanks.

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Do you have adequate signal? How are you feeding RF to the card?

Actually I'm feeding the card with just a wire into the jack. So, what you're saying is the level of the subcarrier for the data is a little low for proper data decoding. The audio sounds fine. And the DX fm (for me) 106.7 decodes fine, although the audio can be a little marginal at times.
Thanks for the info regarding the PI codes being slightly out of standard. I thought it might be something like that since this card was introduced early into the RDS implementation.
Thanks.