Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4ROB callsign genealogy
Currently held by COBB, ADAM M
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 KD4ROB's current licensee, walking backwards.
- Woodard, Robert EGAgranted 2016-03-14cancelled 2016-04-09
Successor callsigns
Callsigns held now by people who previously held KD4ROB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4ROB, oldest first.
- COBB, ADAM M NC2003-06-05 → cancelled 2015-09-01
- Woodard, Robert E GA2026-03-05 active