Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1BOB callsign genealogy
Currently held by RAICHE, ROBERT H
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 KA1BOB's current licensee, walking backwards.
- BOLUS, ROBERT CCAgranted 2017-08-04cancelled 2021-11-13
Successor callsigns
Callsigns held now by people who previously held KA1BOB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1BOB, oldest first.
- RAICHE, ROBERT H NH2001-06-12 → cancelled 2013-06-13
- BOLUS, ROBERT C CA2021-11-13 active