Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1RTR callsign genealogy
Currently held by RODRIGUEZ, JUAN A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KA1RTR's current licensee, walking backwards.
- RODRIGUEZ, JUAN ATXgranted 2014-07-08cancelled 2014-08-09
Successor callsigns
Callsigns held now by people who previously held KA1RTR.
- RODRIGUEZ, JUAN ATXgranted 2025-03-05
All historical holders
Every license row we've seen with the callsign KA1RTR, oldest first.
- RODRIGUEZ, JUAN A MA1988-03-29 → cancelled 2000-03-30
- RODRIGUEZ, JUAN A TX2014-08-09 → cancelled 2015-03-10