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

KR4MKX

Cancelled

Tolle, Stephen K

Location: Mineral, VA
Class: Technician
Granted: 2026-05-21
Expires: 2036-05-21
FRN: 0038419347

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Vanity availability

636d

Available on 2028-06-08

KR4MKX cancelled on 2026-06-09. Hold ends in 636 days.

Last held by Tolle, Stephen K (VA).

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

Prior holders later became

W8RWYactive· T
Tolle, Stephen KVAgranted 2026-06-09

License history

0 events

No recorded events.

More vanity slots coming available

From Virginia

KG4VBI 2026-09-12
W4CVH 2026-09-12
KQ4URY 2026-09-13
KD4SUS 2026-09-14
KD4SVO 2026-09-14

Starting with KR4

KR4AAB AL · 2027-01-11
KR4ABQ FL · 2027-01-17
KR4BBR FL · 2027-01-17
KR4ACS VA · 2027-01-18
KR4ADZ FL · 2027-01-22

Full history → Vanity availability → Callsign genealogy →