Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9TXT callsign genealogy
Currently held by MELLMAN, IRWIN
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 W9TXT's current licensee, walking backwards.
- Randall, CalebCOgranted 2022-03-22cancelled 2022-04-09
Successor callsigns
Callsigns held now by people who previously held W9TXT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9TXT, oldest first.
- MELLMAN, IRWIN IL1997-06-23 → cancelled 2009-06-24
- Randall, Caleb CO2022-04-09 active