Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4SPH callsign genealogy
Currently held by COMPTON, DANIEL C
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 KD4SPH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD4SPH.
- COMPTON, DANIEL CTNgranted 2012-08-21cancelled 2014-12-16