N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 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

N0JOO HAM

✅ Available for a vanity request — free since May 5, 2003.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

Not currently held · 1 holder on record · available since May 5, 2003

Previous holder: Don M Heppelmann

Held N0JOO Jul 4, 1998 → May 4, 2001 · first licensed Jul 4, 1998 as N0JOO · 2 licenses · FRN 0004715082

📦 Moved: Maplewood, MN → St. Paul, MN

WG0C Active Amateur Extra · vanity May 4, 2001 → expires May 4, 2031

Licensee
Don M Heppelmann

Address
Attn: Don M. Heppelmann
284 Spring St. #301
St. Paul, MN 55102
44.9391, -93.1019 (street) · Grid EN34kw · CQ 4 · ITU 7 · map ↗

FRN
0004715082

Previous call
N0JOO (Technician Plus)

Last granted
Feb 6, 2021

Effective
Feb 20, 2026

Last action
Feb 20, 2026
FCC actions (7)
- Feb 20, 2026 — Administrative update LIAUA
- Feb 6, 2021 — License renewed LIREN
- Apr 20, 2011 — License renewed LIREN
- Oct 21, 2006 — Administrative update LIAUA
- Jul 21, 2004 — Administrative update LIAUA
- Dec 17, 2003 — Administrative update LIAUA
- May 4, 2001 — License issued LIISS
N0JOO Canceled Amateur Extra Jul 4, 1998 → May 4, 2001 (canceled)

Licensee
Don M Heppelmann

Address
2890 Chippewa Ave
Maplewood, MN 55109
45.0166, -93.0267 (ZIP center) · Grid EN35la · CQ 4 · ITU 7 · map ↗

FRN
0004715082

Last granted
Jul 4, 1998

Effective
Mar 23, 2001

Last action
May 4, 2001
FCC actions (3)
- May 4, 2001 — License canceled LICAN
- Mar 23, 2001 — License modified LIMOD
- Mar 23, 2001 — FCC action LITIN

Address history

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

Seen May 27, 2010 → Sep 27, 2026 · 46 snapshots · as WG0C
Don M Heppelmann
Attn: Don M. Heppelmann
284 Spring St. #301, St. Paul, MN 55102
44.9391, -93.1019 (street) · Grid EN34kw · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as N0JOO
Don M Heppelmann
2890 Chippewa Ave, Maplewood, MN 55109
45.0166, -93.0267 (ZIP center) · Grid EN35la · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as WG0C
Don M Heppelmann
Attn: Don M. Heppelmann
5680 Hadley Ave. N. # 357, Oakdale, MN 55128
44.9875, -92.9636 (ZIP center) · Grid EN34mx · CQ 4 · ITU 7 · map ↗

Others requesting N0JOO

1 application listed N0JOO as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Mar 6, 2026	Mar 24, 2026	KR4KHV · Joshua W Noble · Forest City, FL	4	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N0JOO in the last 24 hours. They show up here within seconds of N0JOO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.