Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5FSK callsign genealogy
Currently held by KNOX, FRANK S
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 K5FSK's current licensee, walking backwards.
- KNOX, FRANK STXgranted 2005-04-18cancelled 2005-05-07
Successor callsigns
Callsigns held now by people who previously held K5FSK.
- KNOX, FRANK STXgranted 2017-06-08