Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DFC callsign genealogy
Currently held by SPENCER, DANIEL A
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 W4DFC's current licensee, walking backwards.
- COLLINS, DONALD FGAgranted 2009-09-30cancelled 2017-04-07
Successor callsigns
Callsigns held now by people who previously held W4DFC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DFC, oldest first.
- SPENCER, DANIEL A FL1999-09-30 → cancelled 2011-10-01
- COLLINS, DONALD F GA2017-04-07 active