Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4RHH callsign genealogy
Currently held by HORVATH, RAYMOND H
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 W4RHH's current licensee, walking backwards.
- Hayward, Richard HTNgranted 2011-10-13cancelled 2013-12-07
Successor callsigns
Callsigns held now by people who previously held W4RHH.
- Hayward, Richard HMSgranted 2017-06-09
All historical holders
Every license row we've seen with the callsign W4RHH, oldest first.
- HORVATH, RAYMOND H AZ2001-06-19 → cancelled 2013-06-20
- Hayward, Richard H MS2013-12-07 → cancelled 2017-06-09