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

WT7S

Active

Helm, Thomas C

Location: Mountlake Terrace, WA
Class: Amateur Extra
Granted: 2017-04-18
Expires: 2027-04-18
Previous call: AF7ZH
FRN: 0024248320

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Vanity availability

Held

Currently held

WT7S 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

AF7ZHcancelled· E
Helm, Thomas CWAgranted 2015-01-26cancelled 2017-04-18
KG7UMEcancelled· E
Helm, Thomas CWAgranted 2015-01-26cancelled 2016-06-01
KG7QLLcancelled· G
Helm, Thomas CWAgranted 2015-01-26cancelled 2015-06-16

License history

0 events

No recorded events.

More vanity slots coming available

From Washington

All →

KD7SPS 2026-09-09
KJ7SVP 2026-09-10
KK7SYB 2026-09-10
KK7UYR 2026-09-10
KK7UYZ 2026-09-10

Starting with WT7

All →

WT7R WA · 2026-11-23
WT7EE ID · 2027-12-13

Full history → Vanity availability → Callsign genealogy →