Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CMP callsign genealogy
Currently held by Parrott, Claude M
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 W4CMP's current licensee, walking backwards.
- Parrott, Claude MTNgranted 2008-08-22cancelled 2016-05-06
Successor callsigns
Callsigns held now by people who previously held W4CMP.
- PRINCE, CARL MTNgranted 2010-09-17cancelled 2017-06-21
All historical holders
Every license row we've seen with the callsign W4CMP, oldest first.
- PRINCE, CARL M TN2000-07-29 → cancelled 2000-10-31
- Parrott, Claude M TN2026-03-17 active