Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9TXR callsign genealogy
Currently held by Jahn, Joshua 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 K9TXR's current licensee, walking backwards.
- Jahn, Joshua DILgranted 2005-05-27cancelled 2005-06-28
Successor callsigns
Callsigns held now by people who previously held K9TXR.
No current licensee on record previously held this callsign.