Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5CXP callsign genealogy
Currently held by PIPKIN, SIDNEY 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 W5CXP's current licensee, walking backwards.
- PIPKIN, RYAN LTXgranted 2013-02-12cancelled 2016-07-06
Successor callsigns
Callsigns held now by people who previously held W5CXP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5CXP, oldest first.
- PIPKIN, SIDNEY S NM2006-04-04 → cancelled 2014-07-17
- PIPKIN, RYAN L TX2026-05-06 active