Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ADP callsign genealogy
Currently held by Shaler, Diane M
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 K4ADP's current licensee, walking backwards.
- Shaler, Diane MFLgranted 2021-09-02cancelled 2024-06-11
Successor callsigns
Callsigns held now by people who previously held K4ADP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ADP, oldest first.
- Palmer, Allen D GA2011-03-17 → cancelled 2023-05-05
- Shaler, Diane M FL2024-06-11 active