Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5RCM callsign genealogy
Currently held by Maechler, Rick C
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 W5RCM's current licensee, walking backwards.
- Maechler, Rick CARgranted 2016-02-22cancelled 2016-04-15
Successor callsigns
Callsigns held now by people who previously held W5RCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5RCM, oldest first.
- MC DOWELL, RONALD C TX2004-02-10 → cancelled 2016-02-11
- Maechler, Rick C AR2026-02-10 active