Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4NO callsign genealogy
Currently held by NSS DX Group
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 W4NO's current licensee, walking backwards.
- KQ4JOHcancelledNSS DX GroupFLgranted 2023-06-29cancelled 2023-07-18
Successor callsigns
Callsigns held now by people who previously held W4NO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4NO, oldest first.
- TUNSTILL, DALTON H AL2006-08-16 → cancelled 2009-06-09
- Grimes Mr, Eric W CA2011-06-28 → cancelled 2023-07-12
- NSS DX Group FL2023-07-18 active