Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4HAR callsign genealogy
Currently held by Singletary Jr, Harry D
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 W4HAR's current licensee, walking backwards.
- Singletary Jr, Harry DSCgranted 2001-09-27cancelled 2001-10-30
Successor callsigns
Callsigns held now by people who previously held W4HAR.
No current licensee on record previously held this callsign.