Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6SQU callsign genealogy
Currently held by SCHLUMPBERGER, EMERON J
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 KF6SQU's current licensee, walking backwards.
- KB6ZWBcancelledcancelled 1998-09-01
Successor callsigns
Callsigns held now by people who previously held KF6SQU.
No current licensee on record previously held this callsign.