Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0LO callsign genealogy
Currently held by Rolling, Ralph T
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 AB0LO's current licensee, walking backwards.
- ROLLING, RALPH TMNgranted 1999-08-06cancelled 2000-05-30
Successor callsigns
Callsigns held now by people who previously held AB0LO.
No current licensee on record previously held this callsign.