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

K3ZF

Cancelled

Robosson, William D

Location: Clearville, PA
Class: Amateur Extra
Granted: 2006-12-27
Expires: 2016-12-27
Previous call: WA3PMQ
FRN: 0004460101

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Vanity availability

365d

Available on 2027-09-09

K3ZF cancelled on 2025-09-09. Hold ends in 365 days.

Last held by Gray, Thomas H (LA).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Previously held by current licensee

KG5FANcancelled· E
Gray, Thomas HTXgranted 2014-12-04cancelled 2015-01-23

Prior holders later became

AA5TGactive· E
Gray, Thomas HLAgranted 2025-09-09
N1RMcancelled· E
MOORE SR, ROBERT MFLgranted 2004-08-17cancelled 2012-08-07

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

KB3QHC 2026-09-09
N3NFG 2026-09-09
KB3HBB 2026-09-10
KB3ZFA 2026-09-10
KB3ZFB 2026-09-10

Starting with K3

K3PCN PA · 2026-09-21
K3KVK PA · 2026-09-28
K3OAX MA · 2026-10-01
K3GZX PA · 2026-10-05
K3VJP PA · 2026-10-09

Full history → Vanity availability → Callsign genealogy →