Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA3APO callsign genealogy
Currently held by MOCANU, DINU
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 WA3APO's current licensee, walking backwards.
- Mocanu, DinuFLgranted 2007-03-27cancelled 2007-09-18
Successor callsigns
Callsigns held now by people who previously held WA3APO.
- BLAKEMORE SR, ROBERT ATXgranted 2007-09-27cancelled 2009-08-07
All historical holders
Every license row we've seen with the callsign WA3APO, oldest first.
- MOCANU, DINU FL2017-09-01 active
- BLAKEMORE SR, ROBERT A— → cancelled 1997-10-07