N9TPB FCC License Search

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

K6MDH HAM 📻 GMRS

📻

Also a GMRS licensee

WRBP537 WPXL983

Active until May 15, 2028 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

Amateur Extra class licensed since 2001 (25 yrs) K6MDH since 2008 · previously AF6DO, KG6GRR Santa Clara, CA GMRS WRBP537

🔒 Not available — currently licensed, through Dec 13, 2028. If it isn't renewed, it opens for vanity requests Dec 14, 2030.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

📝 K6MDH has filed vanity applications before — latest filed Nov 25, 2008 · what was requested

Currently held by Mark D Hardy · 2 holders on record

Current holder: Mark D Hardy

Held K6MDH Dec 13, 2008 → present · first licensed Jun 1, 2001 as KG6GRR · 3 licenses · FRN 0005546221

K6MDH Active Amateur Extra · vanity Dec 13, 2008 → expires Dec 13, 2028

Licensee
Mark D Hardy

Address
PO Box 2248
Santa Clara, CA 95055-2248

FRN
0005546221

Previous call
AF6DO (General)

Last granted
Oct 10, 2018

Effective
Oct 10, 2018

Last action
Oct 10, 2018
FCC actions (3)
- Oct 10, 2018 — License renewed LIREN
- Dec 13, 2008 — Vanity call sign granted VANGRT
- Dec 13, 2008 — License issued LIISS
AF6DO Canceled Amateur Extra Jun 1, 2001 → Dec 13, 2008 (canceled)

Licensee
Mark D Hardy

Address
PO Box 2248
Santa Clara, CA 95055-2248

FRN
0005546221

Previous call
KG6GRR (General)

Last granted
Jun 1, 2001

Effective
Jan 19, 2008

Last action
Dec 13, 2008
FCC actions (5)
- Dec 13, 2008 — License canceled LICAN
- Jan 19, 2008 — Administrative update LIAUA
- Jul 25, 2007 — Administrative update LIAUA
- Jul 24, 2007 — Systematic call sign granted SYSGRT
- Jul 24, 2007 — License issued LIISS
KG6GRR Canceled Amateur Extra Jun 1, 2001 → Jul 24, 2007 (canceled)

Licensee
Mark D Hardy

Address
2998 Jerald Ave
Santa Clara, CA 95054-2928
37.3931, -121.9648 (ZIP center) · Grid CM97aj · CQ 3 · ITU 6 · map ↗

FRN
0005546221

Last granted
Jun 1, 2001

Effective
Jul 24, 2007

Last action
Jul 24, 2007
FCC actions (3)
- Jul 24, 2007 — License canceled LICAN
- Jun 28, 2007 — License modified LIMOD
- Jun 1, 2001 — License issued LIISS

Address history

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

Seen May 27, 2010 → Oct 4, 2026 · 94 snapshots · as AF6DO
Mark D Hardy
PO Box 2248
Santa Clara, CA 95055-2248
Seen May 27, 2010 → Oct 4, 2026 · 47 snapshots · as KG6GRR
Mark D Hardy
2998 Jerald Ave, Santa Clara, CA 95054-2928
37.3931, -121.9648 (ZIP center) · Grid CM97aj · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KG6GRR
Mark D Hardy
2998 Jerald Ave, Santa Clara, CA 95051-2928
37.3483, -121.9844 (ZIP center) · Grid CM97ai · CQ 3 · ITU 6 · map ↗

Previous holder: LOUIS E COBET

Held K6MDH Mar 21, 1998 → Jun 18, 2006 · first licensed Mar 21, 1998 as K6MDH · 1 license · no FRN on file (pre-2001 records)

K6MDH Expired Technician Plus · vanity Mar 21, 1998 → Jun 18, 2006 (expired)

Licensee
LOUIS E COBET

Address
31 RANDWICK AVE
OAKLAND, CA 94611-5723
37.8319, -122.2158 (ZIP center) · Grid CM87vt · CQ 3 · ITU 6 · map ↗

Last granted
Mar 21, 1998

Effective
Mar 21, 1998

Last action
Jun 19, 2008
FCC actions (1)
- Jun 19, 2008 — License expired LIEXP

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as K6MDH
LOUIS E COBET
31 RANDWICK AVE, OAKLAND, CA 94611-5723
37.8319, -122.2158 (ZIP center) · Grid CM87vt · CQ 3 · ITU 6 · map ↗

Vanity applications filed by K6MDH

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 Nov 25, 2008 Granted Oct 10, 2018 0003660559	AF6DO · Mark D Hardy · Amateur Extra PO Box 2248 · Santa Clara, CA 95055-2248	1.K6MDH ✓ granted	Granted got K6MDH

Others requesting K6MDH

4 applications listed K6MDH as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Apr 24, 2026	May 12, 2026	KM7FGO · Michael D Haddon · Herriman, UT	11	Granted
Jan 29, 2026	Feb 16, 2026	KE9EMQ · Michael D Hess · Bedford, IN	12	Granted
Nov 25, 2008	Dec 13, 2008	AF6DO · Mark D Hardy · Santa Clara, CA	1	Granted
Nov 23, 2007	Dec 11, 2007	KI6NDE · Mary D Hegardt · Santa Ana, CA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K6MDH in the last 24 hours. They show up here within seconds of K6MDH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.