Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7SDU callsign genealogy
Currently held by FETTERLY, ROBIN L
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 KD7SDU's current licensee, walking backwards.
- MAXFIELD, ROBIN LWAgranted 2002-07-17cancelled 2002-07-19
Successor callsigns
Callsigns held now by people who previously held KD7SDU.
No current licensee on record previously held this callsign.