Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0PD callsign genealogy
Currently held by Tuttle, John R
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 AB0PD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB0PD.
- Tuttle, John RCOgranted 2011-08-20cancelled 2011-09-20
All historical holders
Every license row we've seen with the callsign AB0PD, oldest first.
- Tuttle, John R CO2000-10-17 → cancelled 2000-11-07
- Tuttle, John R CO2011-09-20 → cancelled 2023-09-21