Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA0TTA callsign genealogy
Currently held by PORTER, PHILIP 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 WA0TTA's current licensee, walking backwards.
- Trotta, Frank PCTgranted 2017-04-07cancelled 2017-04-25
Successor callsigns
Callsigns held now by people who previously held WA0TTA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA0TTA, oldest first.
- PORTER, PHILIP L CO1992-07-14 → cancelled 2004-07-15
- Trotta, Frank P SC2017-04-25 active