N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 6:00 am CDT

Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

David J Schilke

FRN 0034812750 · first licensed Jan 30, 2024 as KO6CZY · 3 licenses on record

📻 GMRS licenses on this FRN

GMRS call	Status	Name	Location	Granted	Expires
WSDK346	Active	David J Schilke	San Diego, CA	Jun 19, 2024	Jun 19, 2034

📝 FCC applications (10)

Received	File number	Service	Purpose	Status	Call
Dec 19, 2025	0011838701	HAM	Modification	Granted	N6XDJ
Dec 15, 2025	0011832042	HAM	Modification	Granted	N6XDJ
Jun 30, 2025	0011628024	HAM	Administrative update	Granted	N6XDJ
Jun 30, 2025	0011628020	GMRS	Administrative update	Granted
Jun 30, 2025	0011628016	HAM	Administrative update	Granted	N6XDJ
Jun 17, 2024	0011122320	GMRS	New license	Granted
Mar 18, 2024	0010980906	HAM	Modification	Granted	KO6CZY
Mar 4, 2024	0010952928	HAM	Modification	Granted	KO6CZY
Feb 26, 2024	0010937838	HAM	Administrative update	Granted	KO6CZY
Jan 29, 2024	0010896767	HAM	New license	Granted	KO6CZY

Complete licensing history

KK6SD Active Amateur Extra · vanity Jan 6, 2026 → expires Jan 6, 2036

Licensee
David J Schilke

Address
PO Box 500695
SAN DIEGO, CA 92150-0695

FRN
0034812750

Previous call
N6XDJ (General)

Last granted
Jan 6, 2026

Effective
Jan 6, 2026

Last action
Jan 6, 2026
FCC actions (2)
- Jan 6, 2026 — Vanity call sign granted VANGRT
- Jan 6, 2026 — License issued LIISS
N6XDJ Canceled Amateur Extra · vanity Mar 22, 2024 → Jan 6, 2026 (canceled)

Licensee
David J Schilke

Address
PO Box 500695
SAN DIEGO, CA 92150-0695

FRN
0034812750

Previous call
KO6CZY (General)

Last granted
Mar 22, 2024

Effective
Dec 15, 2025

Last action
Jan 6, 2026
FCC actions (6)
- Jan 6, 2026 — License canceled LICAN
- Dec 15, 2025 — License modified LIMOD
- Jul 1, 2025 — Administrative update LIAUA
- Jul 1, 2025 — Administrative update LIAUA
- Mar 22, 2024 — Vanity call sign granted VANGRT
- Mar 22, 2024 — License issued LIISS
KO6CZY Canceled General Jan 30, 2024 → Mar 22, 2024 (canceled)

Licensee
David J Schilke

Address
PO Box 502443
SAN DIEGO, CA 92150-2443

FRN
0034812750

Last granted
Jan 30, 2024

Effective
Mar 18, 2024

Last action
Mar 22, 2024
FCC actions (5)
- Mar 22, 2024 — License canceled LICAN
- Mar 18, 2024 — License modified LIMOD
- Feb 27, 2024 — Administrative update LIAUA
- Jan 30, 2024 — License issued LIISS
- Jan 30, 2024 — Systematic call sign granted SYSGRT

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Sep 25, 2025 → Oct 4, 2026 · 5 snapshots · as N6XDJ
David J Schilke
PO Box 500695
SAN DIEGO, CA 92150-0695
Seen Apr 27, 2024 → Oct 4, 2026 · 21 snapshots · as KO6CZY
David J Schilke
PO Box 502443
SAN DIEGO, CA 92150-2443

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Dec 19, 2025 Granted Jan 6, 2026 0011838701	N6XDJ · David J Schilke · Amateur Extra PO Box 500695 · SAN DIEGO, CA 92150-0695	1.K6XD held 2.KK6SD ✓ granted 3.KK6DS available	Granted got KK6SD
Filed Mar 4, 2024 Granted Mar 22, 2024 0010952928	KO6CZY · David J Schilke · Technician Attn: David J Schilke · PO Box 502443 · SAN DIEGO, CA 92150-2443	1.K6XDJ held 2.N6XDJ ✓ granted 3.K6XDS 4.N6XDS available	Granted got N6XDJ