Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1CM callsign genealogy
Currently held by POPPKE, THEODORE T
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 AB1CM's current licensee, walking backwards.
- POPPKE, THEODORE TMAgranted 2003-04-29cancelled 2003-04-30
Successor callsigns
Callsigns held now by people who previously held AB1CM.
- POPPKE, THEODORE TNDgranted 2023-03-23