N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

K9GRN HAM 📻 GMRS

📻

Also a GMRS licensee

WSJQ473

Active until Aug 16, 2035 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

General class licensed since 2005 (21 yrs) K9GRN since 2006 · previously KC9IFH Madison, WI active on 3 nets GMRS WSJQ473

🔒 Not available — currently licensed, through Jan 7, 2036. If it isn't renewed, it opens for vanity requests Jan 8, 2038.

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

📝 K9GRN has filed vanity applications before — latest filed Sep 27, 2005 · what was requested

Currently held by John C Marx · 1 holder on record

🗓 Active on 3 nets · last heard Sep 24, 2026

Current holder: John C Marx

Held K9GRN Jan 7, 2006 → present · first licensed Sep 23, 2005 as KC9IFH · 2 licenses · FRN 0014054217

K9GRN Active General · vanity Jan 7, 2006 → expires Jan 7, 2036

Licensee
John C Marx

Address
PO Box 971
N8160 SMITH RD
Madison, WI 53701-0971

FRN
0014054217

Previous call
KC9IFH (Technician)

Last granted
Dec 9, 2025

Effective
Dec 9, 2025

Last action
Dec 9, 2025
FCC actions (5)
- Dec 9, 2025 — License renewed LIREN
- Oct 31, 2015 — License renewed LIREN
- Jun 12, 2009 — License modified LIMOD
- Jan 7, 2006 — Vanity call sign granted VANGRT
- Jan 7, 2006 — License issued LIISS
KC9IFH Canceled Technician Sep 23, 2005 → Jan 7, 2006 (canceled)

Licensee
John C Marx

Address
PO Box 971
Madison, WI 53701-0971

FRN
0014054217

Last granted
Sep 23, 2005

Effective
Sep 23, 2005

Last action
Jan 7, 2006
FCC actions (3)
- Jan 7, 2006 — License canceled LICAN
- Sep 23, 2005 — License issued LIISS
- Sep 23, 2005 — 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 27, 2026 → Oct 4, 2026 · 2 snapshots · as K9GRN
John C Marx
PO Box 971
N8160 SMITH RD, Madison, WI 53701-0971
Seen May 27, 2010 → Oct 4, 2026 · 92 snapshots · as KC9IFH
John C Marx
PO Box 971
Madison, WI 53701-0971

Vanity applications filed by K9GRN

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 Sep 27, 2005 Granted Dec 9, 2025 0002329913	KC9IFH · John C Marx · Technician PO Box 971 · Madison, WI 53701-0971	1.K9GRN ✓ granted 2.K9MRX	Granted got K9GRN

Others requesting K9GRN

2 applications listed K9GRN as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Dec 26, 2007	Jan 13, 2008	KA7KPL · Mark V Loiler · GREEN BAY, WI	14	Granted
Sep 27, 2005	Oct 15, 2005	KC9IFH · John C Marx · Madison, WI	1	Granted

Nets

Net	When	Frequency	Role	Times	Last
STEM NET	Thu 6:00 PM · Thu 6:15 PM · Thu 6:30 PM ET	146.760	Checked in	2	2026-09-24
STEM NET	Thu 6:15 PM ET	442.125	Checked in	1	2026-09-17
Absolute Tech Net	Tue 3:45 PM PT	VOIP	Checked in	1	2026-09-08

From nets logged with NetLogger since the start of collection.

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K9GRN in the last 24 hours. They show up here within seconds of K9GRN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.