Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9CRA callsign genealogy
Currently held by RIDER, CHARLES A
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 W9CRA's current licensee, walking backwards.
- RIDER, CHARLES AINgranted 2007-03-20cancelled 2015-11-28
Successor callsigns
Callsigns held now by people who previously held W9CRA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9CRA, oldest first.
- CAMBRIDGE AREA REPEATER ASSOCIATION LTD WI2001-04-21 → cancelled 2013-04-23
- RIDER, CHARLES A IN2025-12-06 active