Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0YJO callsign genealogy
Currently held by SAPONAS, ROLLAND 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 W0YJO's current licensee, walking backwards.
- Saponas, Thomas ACOgranted 2006-02-14cancelled 2009-11-17
Successor callsigns
Callsigns held now by people who previously held W0YJO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0YJO, oldest first.
- SAPONAS, ROLLAND T CO2006-04-20 → cancelled 2009-08-28
- Saponas, Thomas A CO2019-08-27 active