N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

ND6C HAM

🔒 Not available — currently licensed, through Dec 19, 2035. If it isn't renewed, it opens for vanity requests Dec 20, 2037.

📬 QSL: LoTW user, last upload Jul 7, 2013 · eQSL AG member

📝 ND6C has filed vanity applications before — latest filed Dec 1, 2015 · what was requested

Currently held by Andy R Cheng · 3 holders on record

Current holder: Andy R Cheng

Held ND6C Dec 19, 2015 → present · first licensed Jan 27, 2014 as KK6JBM · 3 licenses · FRN 0023189707

ND6C Active Amateur Extra · vanity Dec 19, 2015 → expires Dec 19, 2035

Licensee
Andy R Cheng

Address
PO Box 1887
Walnut, CA 91788

FRN
0023189707

Previous call
NM0K (General)

Last granted
Nov 25, 2025

Effective
Nov 25, 2025

Last action
Nov 25, 2025
FCC actions (3)
- Nov 25, 2025 — License renewed LIREN
- Dec 19, 2015 — Vanity call sign granted VANGRT
- Dec 19, 2015 — License issued LIISS
NM0K Canceled Amateur Extra · vanity Apr 28, 2015 → Dec 19, 2015 (canceled)

Licensee
Andy R Cheng

Address
PO Box 1887
Walnut, CA 91788

FRN
0023189707

Previous call
KK6JBM (General)

Last granted
Apr 28, 2015

Effective
Jul 25, 2015

Last action
Dec 19, 2015
FCC actions (4)
- Dec 19, 2015 — License canceled LICAN
- Jul 25, 2015 — Administrative update LIAUA
- Apr 28, 2015 — Vanity call sign granted VANGRT
- Apr 28, 2015 — License issued LIISS
KK6JBM Canceled Amateur Extra Jan 27, 2014 → Apr 28, 2015 (canceled)

Licensee
Andy R Cheng

Address
PO Box 106
Walnut, CA 91788

FRN
0023189707

Last granted
Jan 27, 2014

Effective
Apr 1, 2015

Last action
Apr 28, 2015
FCC actions (5)
- Apr 28, 2015 — License canceled LICAN
- Apr 1, 2015 — License modified LIMOD
- Feb 5, 2014 — License modified LIMOD
- Jan 27, 2014 — License issued LIISS
- Jan 27, 2014 — 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 Aug 2, 2015 → Sep 27, 2026 · 61 snapshots · as NM0K
Andy R Cheng
PO Box 1887
Walnut, CA 91788
Seen Mar 28, 2014 → Sep 27, 2026 · 39 snapshots · as KK6JBM
Andy R Cheng
PO Box 106
Walnut, CA 91788

Previous holder: MATTHEW L ACKERMAN

Held ND6C Feb 12, 2013 → Nov 30, 2013 · first licensed Jan 23, 2012 as KJ6TNP · 4 licenses · FRN 0021429949

📦 Moved: Cupertino, CA → Santa Clara, CA

N6ACK Active Amateur Extra · vanity Nov 30, 2013 → expires Nov 30, 2033

Licensee
MATTHEW L ACKERMAN

Address
PO Box 1244
SANTA CLARA, CA 95052-1244

FRN
0021429949

Previous call
ND6C (General)

Last granted
Sep 7, 2023

Effective
Sep 7, 2023

Last action
Sep 7, 2023
FCC actions (6)
- Sep 7, 2023 — License renewed LIREN
- Oct 22, 2015 — Administrative update LIAUA
- Mar 6, 2014 — Administrative update LIAUA
- Dec 3, 2013 — Administrative update LIAUA
- Nov 30, 2013 — Vanity call sign granted VANGRT
- Nov 30, 2013 — License issued LIISS
📦 Moved: San Jose, CA → Cupertino, CA

ND6C Canceled Amateur Extra · vanity Feb 12, 2013 → Nov 30, 2013 (canceled)

Licensee
MATTHEW L ACKERMAN

Address
7406 Rainbow Drive #2
Cupertino, CA 95014
37.3084, -122.0819 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗

FRN
0021429949

Previous call
N6ACK (General)

Last granted
Feb 12, 2013

Effective
Nov 14, 2013

Last action
Nov 30, 2013
FCC actions (4)
- Nov 30, 2013 — License canceled LICAN
- Nov 14, 2013 — Administrative update LIAUA
- Feb 12, 2013 — Vanity call sign granted VANGRT
- Feb 12, 2013 — License issued LIISS
N6ACK Canceled Amateur Extra · vanity Feb 11, 2012 → Feb 12, 2013 (canceled)

Licensee
MATTHEW L ACKERMAN

Address
1218 DRESDEN WAY
SAN JOSE, CA 95129-3910
37.3060, -122.0007 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗

FRN
0021429949

Previous call
KJ6TNP (General)

Last granted
Feb 11, 2012

Effective
Mar 8, 2012

Last action
Feb 12, 2013
FCC actions (5)
- Feb 12, 2013 — License canceled LICAN
- Mar 8, 2012 — License modified LIMOD
- Feb 21, 2012 — License modified LIMOD
- Feb 11, 2012 — Vanity call sign granted VANGRT
- Feb 11, 2012 — License issued LIISS
KJ6TNP Canceled Technician Jan 23, 2012 → Feb 11, 2012 (canceled)

Licensee
Matthew L Ackerman

Address
1218 Dresden Way
San Jose, CA 95129-3910
37.3060, -122.0007 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗

FRN
0021429949

Last granted
Jan 23, 2012

Effective
Jan 23, 2012

Last action
Feb 11, 2012
FCC actions (3)
- Feb 11, 2012 — License canceled LICAN
- Jan 23, 2012 — License issued LIISS
- Jan 23, 2012 — 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 Nov 16, 2015 → Sep 27, 2026 · 30 snapshots · as N6ACK
MATTHEW L ACKERMAN
PO Box 1244
SANTA CLARA, CA 95052-1244
Seen Mar 28, 2014 → Sep 27, 2026 · 37 snapshots · as ND6C
MATTHEW L ACKERMAN
7406 Rainbow Drive #2, Cupertino, CA 95014
37.3084, -122.0819 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗
Seen May 28, 2012 → Sep 27, 2026 · 90 snapshots · as KJ6TNP
Matthew L Ackerman
1218 Dresden Way, San Jose, CA 95129-3910
37.3060, -122.0007 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗
Seen Mar 28, 2014 → Sep 18, 2015 · 7 snapshots · as N6ACK
MATTHEW L ACKERMAN
472 CYPRESS AVE, SANTA CLARA, CA 95050-6406
37.3504, -121.9524 (ZIP center) · Grid CM97ai · CQ 3 · ITU 6 · map ↗

Previous holder: LEROY H HAMILTON

Held ND6C Oct 28, 2000 → Jan 22, 2011 · first licensed Oct 28, 2000 as ND6C · 1 license · FRN 0003496726

ND6C Expired Amateur Extra Oct 28, 2000 → Jan 22, 2011 (expired)

Licensee
LEROY H HAMILTON

Address
105 GRANDVIEW DR
GREENWOOD, AR 72936
35.1897, -94.2184 (ZIP center) · Grid EM25ve · CQ 4 · ITU 7 · map ↗

FRN
0003496726

Previous call
WB4HJI

Last granted
Oct 28, 2000

Effective
Oct 28, 2000

Last action
Jan 23, 2013
FCC actions (2)
- Jan 23, 2013 — License expired LIEXP
- Oct 28, 2000 — License renewed LIREN

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as ND6C
LEROY H HAMILTON
105 GRANDVIEW DR, GREENWOOD, AR 72936
35.1897, -94.2184 (ZIP center) · Grid EM25ve · CQ 4 · ITU 7 · map ↗

Vanity applications filed by ND6C

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Dec 1, 2015 Granted Nov 25, 2025 0007045097	NM0K · Andy R Cheng · Amateur Extra PO Box 1887 · Walnut, CA 91788	1.ND6C ✓ granted	Granted got ND6C
Filed Apr 10, 2015 Award date was Apr 28, 2015 0006747157	KK6JBM · Andy R Cheng · Amateur Extra PO Box 106 · Walnut, CA 91788	1.N6ND held 2.W5GK held 3.WI6K held 4.KS3A held 5.K6SS held 6.NM0K held 7.W1TN held 8.W8WH held 9.NF3X held 10.NR9T held 11.NW7N held 12.NM9E held	Granted
Filed Nov 12, 2013 Granted Feb 11, 2012 0006008631	ND6C · MATTHEW L ACKERMAN · Amateur Extra 7406 Rainbow Drive #2, Cupertino, CA 95014 37.3084, -122.0819 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗	1.N6ACK ✓ granted	Granted got N6ACK

Others requesting ND6C

8 applications listed ND6C as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Dec 14, 2015	Jan 1, 2016	AG5BO · MATHEW S LARSEN · HASLET, TX	2	Dismissed
Dec 11, 2015	Dec 29, 2015	AI6KG · CHRISTOPHER E HOOVER · MOUNTAIN VIEW, CA	1	Dismissed
Dec 1, 2015	Dec 19, 2015	NM0K · Andy R Cheng · Walnut, CA	1	Granted
Dec 1, 2015	Dec 19, 2015	AC8KO · WILLIAM J LOEBER · ROMULUS, MI	5	Granted
Dec 1, 2015	Dec 19, 2015	W2LHM · CRAIG J MOYER · WOODLAND HILLS, UT	6	Granted
Nov 12, 2015	Nov 30, 2015	KK6YQI · Mountaintop Operators Of Northern California · Stanford, CA	5	Granted
Aug 27, 2015	Sep 14, 2015	KK6SEV · Frans Beelaard · Modesto, CA	3	Dismissed
Jan 23, 2013	Feb 10, 2013	N6ACK · MATTHEW L ACKERMAN · SAN JOSE, CA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for ND6C in the last 24 hours. They show up here within seconds of ND6C beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.