Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0TS callsign genealogy
Currently held by MAXWELL, CRAIG A
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 KD0TS's current licensee, walking backwards.
- Sterling, Leonard TMOgranted 2015-05-22cancelled 2015-08-18
Successor callsigns
Callsigns held now by people who previously held KD0TS.
- MAXWELL, CRAIG ACOgranted 2025-06-11
All historical holders
Every license row we've seen with the callsign KD0TS, oldest first.
- MAXWELL, CRAIG A CO2003-05-06 → cancelled 2005-07-08
- STERLING, LEONARD T AZ2026-03-03 active