Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ADP callsign genealogy
Currently held by ROBERSON JR, THOMAS G
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 N4ADP's current licensee, walking backwards.
- Pitkin, Andrew DFLgranted 2023-08-09cancelled 2023-08-29
Successor callsigns
Callsigns held now by people who previously held N4ADP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ADP, oldest first.
- ROBERSON JR, THOMAS G GA2008-04-22 → cancelled 2020-06-13
- Pitkin, Andrew D FL2023-08-29 active