Confidence: Medium · Source: FCC ULS · As of 2026-09-09

N6COW

Active

SZYMANSKI, MARTIN P

Location: Modesto, CA
Class: Amateur Extra
Granted: 2025-06-17
Expires: 2035-06-17
Previous call: W7RU
FRN: 0006069033

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Vanity availability

Held

Currently held

N6COW is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

W7RUcancelled· E
SZYMANSKI, MARTIN PCAgranted 2018-07-30cancelled 2025-06-17
N6FZPcancelled· E
SZYMANSKI, MARTIN Pcancelled 1998-10-27

Prior holders later became

KJ6VKexpired· A
KROES, JOHN FCAgranted 1989-06-06cancelled 2001-06-07

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

AC2TX 2026-09-10
K6DJM 2026-09-10
KC6JGS 2026-09-10
KC6KGL 2026-09-10
KC6VEU 2026-09-10

Starting with N6

All →

N6SDC CA · 2026-09-14
N6TOE WA · 2026-10-01
N6SLW CA · 2026-10-03
N6ZH NC · 2026-10-04
N6EIS CA · 2026-10-05

Full history → Vanity availability → Callsign genealogy →