It doesn't belong to LPD per se, but users in the area might have requested that the Laredo Public Safety P25 system be linked to GATRRS for other agencies (who use GATRRS full time) to have access to communications during the chase. It just so happened that one of the GATRRS users was affiliated with the Botines site (or the dispatcher can command/force the talkgroup to specific sites even). Either way, it was probably the two systems linked, which is entirely possible between bands with P25 systems (that's part of the beauty of the open source protocol).
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John H. "Boat" Boatright
Elecraft K2; RACAL 25; Yaesu FT-7900R, FT-270; GRE PSR-500
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