Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4TDA callsign genealogy
Currently held by Rice, 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 KC4TDA's current licensee, walking backwards.
- Rice, Robert DMEgranted 2024-07-30cancelled 2024-08-20
Successor callsigns
Callsigns held now by people who previously held KC4TDA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4TDA, oldest first.
- RICE, ROBERT D ME2011-10-21 → cancelled 2023-10-24
- Rice, Robert D ME2024-08-20 active