Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1RTM callsign genealogy
Currently held by Banerjee, Ritam
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 K1RTM's current licensee, walking backwards.
- Banerjee, RitamCAgranted 2021-04-05cancelled 2022-11-01
Successor callsigns
Callsigns held now by people who previously held K1RTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1RTM, oldest first.
- PELICH, MARGARET V NH1987-10-27 → cancelled 1999-10-28
- Banerjee, Ritam CO2022-11-01 active