Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7LRS callsign genealogy
Currently held by Shorthill, Lawrence R
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 K7LRS's current licensee, walking backwards.
- Shorthill, Lawrence RIDgranted 2019-02-20
Successor callsigns
Callsigns held now by people who previously held K7LRS.
All historical holders
Every license row we've seen with the callsign K7LRS, oldest first.
- SHIRK II, LOREN R AZ2007-06-02 → cancelled 2009-08-29
- Shorthill, Lawrence R ID2017-03-12 → cancelled 2019-02-20