N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 13, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

N4TMO HAM

✅ Available for a vanity request — free since Dec 4, 2015.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.
Last requested Dec 4, 2023 as choice 2: not granted, that applicant got K4TMO instead.

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

Not currently held · 1 holder on record · available since Dec 4, 2015

Previous holder: Robert F Riggs

Held N4TMO Jan 14, 1992 → Dec 3, 2013 · first licensed Jan 14, 1992 as N4TMO · 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1991 as N4TMO, before the FCC's online records

N4TMO Canceled Advanced Jan 14, 1992 → Dec 3, 2013 (canceled)

Licensee
Robert F Riggs

Address
12801 Ne 139th Pl
Fort McCoy, FL 32134
29.3772, -81.8276 (ZIP center) · Grid EL99cj · CQ 5 · ITU 8 · map ↗

Last granted
Nov 6, 2003

Effective
Sep 3, 2008

Last action
Apr 9, 2014
FCC actions (7)
- Apr 9, 2014 — Record corrected COR
- Apr 9, 2014 — Record corrected COR
- Apr 9, 2014 — Record corrected COR
- Sep 3, 2008 — Administrative update LIAUA
- Nov 6, 2003 — License renewed LIREN
- Jun 5, 2003 — Administrative update LIAUA
- Jun 5, 2003 — FCC action LITIN

Callbook Records, 1993–2003

From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.

Seen May 3, 1994 → Apr 17, 2003 · 18 discs
N4TMO · Advanced · issued Feb 1, 1994, expires Feb 1, 2004
ROBERT F. RIGGS
2030 PALM TER, SARASOTA, FL 34231
Seen Sep 9, 1993 · 1 disc
N4TMO · Advanced · issued Jan 14, 1992, expires Jan 14, 2002
ROBERT F RIGGS
1533 OAK ST, SARASOTA, FL 34236

Address history

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

Seen May 27, 2010 → Oct 11, 2026 · 48 snapshots · as N4TMO
Robert F Riggs
12801 Ne 139th Pl, Fort McCoy, FL 32134
29.3772, -81.8276 (ZIP center) · Grid EL99cj · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as N4TMO
Robert F Riggs
552 78th Ave, St Pete Beach, FL 33706-1714
27.7415, -82.7521 (ZIP center) · Grid EL87or · CQ 5 · ITU 8 · map ↗

N4TMO in the Printed Callbooks, 1909–1997

From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.

1995 → 1997 · 2 editions
N4TMO · class A
Robert F Riggs
2030 Palm Ter, Sarasota, FL 34231
1995 p.835, 1997 p.861
1993 · 1 edition
N4TMO · class G
Walter L Randolph
374 Rose Ln, Montgomery Al Jbl04
1993 p.717
1991 · 1 edition
N4TMO · class A
Robert F Riggs
Robyn Sub 3rd Avenue 10, Key West, FL 33040
Winter 1991 p.640
1989 · 1 edition
N4TMO · class G
Walter L Randolph
374 Rose Ln, Montgomery, AL 36104
Winter 1989 p.595

Others Requesting N4TMO

2 applications listed N4TMO as a choice, newest first.

Filed	Award	Applicant	Choice #	N4TMO	Result
Dec 4, 2023	Dec 22, 2023	KQ4LCX · Timo Kirschner · Atlanta, GA	2	Not granted	They got K4TMO (choice 1)
Oct 3, 2022	Oct 21, 2022	KC3UWN · Natalie C Moore · Columbia, MD	1	Dismissed	Application dismissed

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for N4TMO in the last 24 hours. They show up here within seconds of N4TMO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.