Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1SPZ callsign genealogy
Currently held by ZUKUNFT, GRETCHEN
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 K1SPZ's current licensee, walking backwards.
- Zukunft, GretchenCTgranted 2005-09-16cancelled 2006-02-28
Successor callsigns
Callsigns held now by people who previously held K1SPZ.
No current licensee on record previously held this callsign.