Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA6MRK callsign genealogy
Currently held by SILVERMAN, ROBERT W
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 WA6MRK's current licensee, walking backwards.
- Silverman, Robert WCAgranted 2000-09-12cancelled 2000-10-03
Successor callsigns
Callsigns held now by people who previously held WA6MRK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA6MRK, oldest first.
- SILVERMAN, ROBERT W CA1988-04-12 → cancelled 2000-04-13
- Silverman, Robert W CA2020-07-07 active