Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NA4HL callsign genealogy
Currently held by RIDDLE, HOBERT C
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 NA4HL's current licensee, walking backwards.
- RIDDLE, HOBERT Ccancelled 1999-03-31
Successor callsigns
Callsigns held now by people who previously held NA4HL.
- RIDDLE, HOBERT CTNgranted 2020-05-21