Confidence: Medium · Source: FCC ULS · As of 2026-09-10

WA4WLF

Active

Hengge, Christopher A

Location: Catoosa, OK
Class: General
Granted: 2020-10-31
Expires: 2030-10-31
Previous call: WW7PDX
FRN: 0026254904

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Vanity availability

Held

Currently held

WA4WLF 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

WW7PDXcancelled· G
Hengge, Christopher AOKgranted 2017-03-20cancelled 2020-10-31
KI7KZJcancelled· T
Hengge, Christopher AORgranted 2017-03-01cancelled 2017-03-20

License history

0 events

No recorded events.

More vanity slots coming available

From Oklahoma

All →

KD5TUY 2026-09-10
KJ5HRK 2026-09-10
KF5RYN 2026-09-11
KF5RYO 2026-09-11
KJ5HQD 2026-09-13

Starting with WA4

All →

WA4OUF VA · 2026-09-28
WA4TWH NC · 2026-10-01
WA4ZHB NC · 2026-10-05
WA4MRP NC · 2026-10-11
WA4JFC FL · 2026-11-01

Full history → Vanity availability → Callsign genealogy →