Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3ROB callsign genealogy
Currently held by Bleattler Jr, Robert R
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 KC3ROB's current licensee, walking backwards.
- Bleattler Jr, Robert RPAgranted 2023-04-18cancelled 2023-05-09
Successor callsigns
Callsigns held now by people who previously held KC3ROB.
- Ballou, Robert EMDgranted 2019-11-02
All historical holders
Every license row we've seen with the callsign KC3ROB, oldest first.
- Ballou, Robert E MD2017-04-11 → cancelled 2019-11-02
- Bleattler Jr, Robert R PA2023-05-09 active