Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0EBF callsign genealogy
Currently held by MACK, ROBERT D
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 KD0EBF's current licensee, walking backwards.
- MACK, ROBERT DMOgranted 2013-03-06cancelled 2022-05-27
Successor callsigns
Callsigns held now by people who previously held KD0EBF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD0EBF, oldest first.
- CRIST, DAVID J IA2008-05-14 → cancelled 2020-05-15
- MACK, ROBERT D MO2022-05-27 active