Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4HLR callsign genealogy
Currently held by Rios Rivera, Hector L
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 KP4HLR's current licensee, walking backwards.
- Rios-Rivera, Hector LPRgranted 2001-08-07cancelled 2002-03-07
Successor callsigns
Callsigns held now by people who previously held KP4HLR.
- RIOS RIVERA, HECTOR LPRgranted 2020-07-02