Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3BOB callsign genealogy
Currently held by Loesch, Robert 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 KC3BOB's current licensee, walking backwards.
- Brightbill, Robert KPAgranted 2024-07-16cancelled 2024-09-17
Successor callsigns
Callsigns held now by people who previously held KC3BOB.
- Loesch, Robert MMDgranted 2015-06-19
All historical holders
Every license row we've seen with the callsign KC3BOB, oldest first.
- Loesch, Robert M MD2013-11-13 → cancelled 2015-06-19
- Brightbill, Robert K PA2024-09-17 active