Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4IAD callsign genealogy
Currently held by LESSIN, HYMAN R
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 W4IAD's current licensee, walking backwards.
- MABARDY, MARK MVAgranted 2003-08-29cancelled 2009-10-06
Successor callsigns
Callsigns held now by people who previously held W4IAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4IAD, oldest first.
- LESSIN, HYMAN R FL1995-03-21 → cancelled 2007-03-22
- MABARDY, MARK M VA2019-07-30 active