Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9RS callsign genealogy
Currently held by SLIWICKI, DANIEL 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 AD9RS's current licensee, walking backwards.
- SLIWICKI, DANIEL RILgranted 2023-04-28cancelled 2024-08-13
Successor callsigns
Callsigns held now by people who previously held AD9RS.
- SLIWICKI, DANIEL RILgranted 2026-01-21