Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD9RSM callsign genealogy
Currently held by McFarland, Randall S
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 WD9RSM's current licensee, walking backwards.
- McFarland, Randall SILgranted 2020-07-07cancelled 2020-08-04
Successor callsigns
Callsigns held now by people who previously held WD9RSM.
- McFarland, Randall SILgranted 2022-12-16