Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3KRN callsign genealogy
Currently held by Holmen, Mark
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 K3KRN's current licensee, walking backwards.
- Holmen, MarkMDgranted 2020-04-17
Successor callsigns
Callsigns held now by people who previously held K3KRN.
- Holmen, MarkMDgranted 2020-04-17