Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0SFZ callsign genealogy
Currently held by Gawthrop, Daniel E
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 N0SFZ's current licensee, walking backwards.
- Gawthrop, Daniel EIDgranted 2015-07-31cancelled 2015-08-18
Successor callsigns
Callsigns held now by people who previously held N0SFZ.
All historical holders
Every license row we've seen with the callsign N0SFZ, oldest first.
- EBERT, DANIEL J KY1999-07-22 → cancelled 1999-09-16
- Gawthrop, Daniel E ID2015-08-18 → cancelled 2015-10-06