N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 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

Robert M Nantz

FRN 0005372065 · first licensed Mar 12, 2002 as N4FLX · 2 licenses on record

📝 FCC applications (9)

Received	File number	Service	Purpose	Status	Call
Aug 3, 2026	0012137228	HAM	Administrative update	Granted	NC4HI
Aug 6, 2025	0011679738	HAM	Modification	Granted	N4FLX
Aug 15, 2023	0010657247	HAM	Modification	Granted	N4FLX
May 30, 2023	0010564783	HAM	Renewal	Granted	N4FLX
Sep 4, 2019	0008786935	HAM	Administrative update	Granted	N4FLX
Dec 19, 2011	0004996674	HAM	Renewal	Granted	N4FLX
Sep 13, 2004	0001868273	HAM	Administrative update	Granted	N4FLX
Mar 18, 2002	0000812332	HAM	Renewal + modification	Dismissed	N4FLX
Mar 11, 2002	0000802527	HAM	Renewal + modification	Granted	N4FLX

Complete licensing history

📦 Moved: Gastonia, NC → Hatteras, NC

NC4HI Active Amateur Extra · vanity Aug 26, 2025 → expires Aug 26, 2035

Licensee
Robert M Nantz

Address
Attn: Robert M Nantz
PO Box 27943
Po box 621
Hatteras, NC 27943
35.2078, -75.7172 (ZIP center) · Grid FM25de · CQ 5 · ITU 8 · map ↗

FRN
0005372065

Previous call
N4FLX (Advanced)

Last granted
Aug 26, 2025

Effective
Aug 4, 2026

Last action
Aug 4, 2026
FCC actions (3)
- Aug 4, 2026 — Administrative update LIAUA
- Aug 26, 2025 — Vanity call sign granted VANGRT
- Aug 26, 2025 — License issued LIISS
N4FLX Canceled Amateur Extra Mar 12, 2002 → Aug 26, 2025 (canceled)

Licensee
Robert M Nantz

Address
601 Wren Rd
Gastonia, NC 28056
35.2169, -81.1250 (ZIP center) · Grid EM95kf · CQ 5 · ITU 8 · map ↗

FRN
0005372065

Previous call
KA4AKV (Advanced)

Last granted
May 31, 2023

Effective
Aug 15, 2023

Last action
Aug 26, 2025
FCC actions (7)
- Aug 26, 2025 — License canceled LICAN
- Aug 15, 2023 — License modified LIMOD
- May 31, 2023 — License renewed LIREN
- Sep 5, 2019 — Administrative update LIAUA
- Dec 20, 2011 — License renewed LIREN
- Sep 14, 2004 — Administrative update LIAUA
- Mar 12, 2002 — License renewed LIREN

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 NC4HI
Robert M Nantz
Attn: Robert M Nantz
PO Box 27943
Po box 621, Hatteras, NC 27943
35.2078, -75.7172 (ZIP center) · Grid FM25de · CQ 5 · ITU 8 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 14 snapshots · as N4FLX
ROBERT M NANTZ
601 Wren Rd, Gastonia, NC 28056
35.2169, -81.1250 (ZIP center) · Grid EM95kf · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → May 6, 2019 · 35 snapshots · as N4FLX
ROBERT M NANTZ
2615 Ashbourne Drive, Gastonia, NC 28056
35.2169, -81.1250 (ZIP center) · Grid EM95kf · CQ 5 · ITU 8 · map ↗

Repeaters within 50 miles

16 repeaters within 50 miles of this ZIP code, closest first · sort: closest · most active · map these & export for a radio →

● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · center is the ZIP code (approximate) · click a dot for the repeater's page

● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)

Miles	Call	Name	Output	Offset	Tone	Mode	Networks	Activity	Location
2.3	K4OBX	Hatteras Village K4OBX EchoLink	444.7250	+5	TSQL 131.8	FM (analog)	EchoLink 2014	—	Hatteras Village, NC
11.1	K4OBX	Buxton K4OBX BM	146.6250	-0.6	CC1	DMR	BrandMeister 313768	—	Buxton, NC
11.1	K4OBX	Buxton K4OBX NC-PRN	444.0625	+5	CC1	DMR	NC-PRN	—	Buxton, NC
11.3	K4OBX	Buxton K4OBX EchoLink	145.1500	-0.6	TSQL 131.8	FM (analog)	EchoLink 2014	—	Buxton, NC
11.4	K4OBX	Buxton K4OBX IRLP	442.4250	+5	TSQL 100.0	FM (analog)	EchoLink 2003 IRLP 8536	—	Buxton, NC
11.4	K4OBX	Buxton K4OBX AllStar	444.9250	+5	TSQL 131.8	FM (analog)	AllStar 464291	—	Buxton, NC
16.3	K4OBX	Ocracoke K4OBX EchoLink	444.2250	+5	TSQL 131.8	FM (analog)	EchoLink 2014	—	Ocracoke, NC
24.9	K4OBX	Engelhard K4OBX	146.7150	-0.6	TSQL 131.8	FM (analog)		—	Engelhard, NC
25.4	WB4YNF	Middletown WB4YNF	224.1000	-1.6	TONE 131.8	FM (analog)		—	Middletown, NC
25.5	WB4YNF	Engelhard WB4YNF NC-PRN	442.4625	+5	CC1	DMR	NC-PRN	—	Engelhard, NC
25.5	WB4YNF	Engelhard WB4YNF	444.7500	+5	TSQL 131.8	FM (analog) (FM,C4FM)		—	Engelhard, NC
28.7	K4OBX	Waves K4OBX EchoLink	444.3250	+5	TSQL 131.8	FM (analog)	EchoLink 2014	—	Waves, NC
44.2	K4OBX	Nags Head Bodie K4OBX EchoLink	145.2900	-0.6	TONE 100.0	FM (analog)	EchoLink 2014	—	Nags Head, NC
44.2	K4OBX	Nags Head Bodie K4OBX AllStar	444.1250	+5	TSQL 100.0	FM (analog)	AllStar 47731 EchoLink 42704 IRLP 4270	—	Nags Head, NC
45.7	KD4KTO	Stacy KD4KTO	444.0000	+5	TONE 131.8	FM (analog)		—	Stacy, NC
47.0	K4OBX	Manteo SW tank K4OBX NC-PRN	444.9875	+5	CC1	DMR	NC-PRN	—	Manteo, NC

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Aug 6, 2025 Granted Aug 26, 2025 0011679738	N4FLX · Robert M Nantz · Amateur Extra 601 Wren Rd, Gastonia, NC 28056 35.2169, -81.1250 (ZIP center) · Grid EM95kf · CQ 5 · ITU 8 · map ↗	1.NC4HI ✓ granted	Granted got NC4HI