Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1SAK callsign genealogy
Currently held by Herman, Isak
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 K1SAK's current licensee, walking backwards.
- Herman, IsakCOgranted 2019-11-18cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held K1SAK.
- SAKION, PAULNMgranted 2019-03-27
All historical holders
Every license row we've seen with the callsign K1SAK, oldest first.
- SAKION, PAUL CA2009-04-17 → cancelled 2009-06-13
- Herman, Isak CO2019-12-06 active