Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1CRX callsign genealogy
Currently held by Hartnett, Thomas
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 W1CRX's current licensee, walking backwards.
- Hartnett, ThomasMAgranted 2014-12-15cancelled 2015-01-03
Successor callsigns
Callsigns held now by people who previously held W1CRX.
No current licensee on record previously held this callsign.