Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD3JC callsign genealogy
Currently held by BLATT, RONNIE 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 KD3JC's current licensee, walking backwards.
- Cummings, James DPAgranted 2017-03-06cancelled 2017-04-18
Successor callsigns
Callsigns held now by people who previously held KD3JC.
- Cummings, James DPAgranted 2017-07-15
All historical holders
Every license row we've seen with the callsign KD3JC, oldest first.
- BLATT, RONNIE C PA1988-11-01 → cancelled 2000-11-02
- Cummings, James D PA2017-04-18 → cancelled 2017-07-15