Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7PHD callsign genealogy
Currently held by CHABAN, SERGEY I
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 W7PHD's current licensee, walking backwards.
- CHABAN, SERGEY IWAgranted 2012-02-27cancelled 2012-10-30
Successor callsigns
Callsigns held now by people who previously held W7PHD.
- DEAL, MICHAEL WWAgranted 2000-07-14cancelled 2004-05-14
All historical holders
Every license row we've seen with the callsign W7PHD, oldest first.
- DEAL, MICHAEL W WA1998-10-06 → cancelled 2000-07-14
- CHABAN, SERGEY I WA2022-09-07 active