Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5DCI callsign genealogy
Currently held by Kolb, Joel A
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 KB5DCI's current licensee, walking backwards.
- Kolb, Joel ATXgranted 2022-04-11cancelled 2022-08-09
Successor callsigns
Callsigns held now by people who previously held KB5DCI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5DCI, oldest first.
- KOLB, JOEL A CA2002-10-22 → cancelled 2014-07-22
- Kolb, Joel A TX2022-08-09 active