Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1RJA callsign genealogy
Currently held by ADELMAN, ROB
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 W1RJA's current licensee, walking backwards.
- ADELMAN, ROBCAgranted 2020-04-27cancelled 2020-05-19
Successor callsigns
Callsigns held now by people who previously held W1RJA.
- K1FOactiveNORTH EAST WEAK SIGNAL GROUPCTgranted 2024-04-24
All historical holders
Every license row we've seen with the callsign W1RJA, oldest first.
- NORTH EAST WEAK SIGNAL GROUP CT2008-05-13 → cancelled 2013-12-27
- ADELMAN, ROB CA2020-05-19 active