Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1ONE callsign genealogy
Currently held by LANG, NORMAN D
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 K1ONE's current licensee, walking backwards.
- Aitchison, Mark SMNgranted 2015-11-12cancelled 2016-06-10
Successor callsigns
Callsigns held now by people who previously held K1ONE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1ONE, oldest first.
- LANG, NORMAN D MA2006-03-14 → cancelled 2014-05-22
- Aitchison, Mark S MN2016-06-10 active