Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ABM callsign genealogy
Currently held by Cramer, John Eugene V
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 K1ABM's current licensee, walking backwards.
- Cramer, John Eugene VNHgranted 2020-08-24cancelled 2020-09-26
Successor callsigns
Callsigns held now by people who previously held K1ABM.
No current licensee on record previously held this callsign.