Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5SEQ callsign genealogy
Currently held by Sequerth, Mark R
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 K5SEQ's current licensee, walking backwards.
- Sequerth, Mark RTXgranted 2011-05-11cancelled 2017-07-18
Successor callsigns
Callsigns held now by people who previously held K5SEQ.
No current licensee on record previously held this callsign.