Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LSB callsign genealogy
Currently held by Cayton, Mark K
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 K1LSB's current licensee, walking backwards.
- Cayton, Mark KTXgranted 2013-05-16cancelled 2018-03-27
Successor callsigns
Callsigns held now by people who previously held K1LSB.
No current licensee on record previously held this callsign.