Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA9YHX callsign genealogy
Currently held by SPERLING, WILLIAM S
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 WA9YHX's current licensee, walking backwards.
- SPERLING, ROBYN MILgranted 2000-06-09cancelled 2007-07-27
Successor callsigns
Callsigns held now by people who previously held WA9YHX.
- SPERLING, WILLIAM SILgranted 2015-06-03cancelled 2017-01-31
All historical holders
Every license row we've seen with the callsign WA9YHX, oldest first.
- SPERLING, WILLIAM S IL2001-10-30 → cancelled 2005-07-06
- SPERLING, ROBYN M IL2017-09-09 active