Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9SRH callsign genealogy
Currently held by HIGINBOTHAM, SAM 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 W9SRH's current licensee, walking backwards.
- HIGINBOTHAM, SAM RINgranted 2026-04-21
Successor callsigns
Callsigns held now by people who previously held W9SRH.
- HIGINBOTHAM, SAM RINgranted 2026-04-21
All historical holders
Every license row we've seen with the callsign W9SRH, oldest first.
- KNEBEL, EDWARD J IL1997-05-28 → cancelled 2009-05-29
- HIGINBOTHAM, SAM R IN2026-01-06 → cancelled 2026-04-21