Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WR1CK callsign genealogy
Currently held by LITTLEFIELD, FREDERICK H
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 WR1CK's current licensee, walking backwards.
- Grindrod, Richard JMAgranted 2006-09-28cancelled 2011-01-27
Successor callsigns
Callsigns held now by people who previously held WR1CK.
- LITTLEFIELD, FREDERICK HNHgranted 2018-01-23
All historical holders
Every license row we've seen with the callsign WR1CK, oldest first.
- LITTLEFIELD, FREDERICK H NH2008-01-23 → cancelled 2008-02-16
- Grindrod, Richard J MA2020-11-13 active