Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1AMK callsign genealogy
Currently held by Hallam, David C
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 K1AMK's current licensee, walking backwards.
- Hallam, David CMAgranted 2020-01-22cancelled 2020-02-11
Successor callsigns
Callsigns held now by people who previously held K1AMK.
No current licensee on record previously held this callsign.