N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 5, 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

DAVID J GRAVES

FRN 0016152944 · first licensed as KF4ONZ · 4 licenses on record

📝 FCC applications (10)

Received	File number	Service	Purpose	Status	Call
Dec 30, 2025	0011848598	HAM	Administrative update	Granted	AG7OP
Feb 25, 2021	0009430794	HAM	Administrative update	Granted	AG7OP
Jul 2, 2018	0008270647	HAM	Modification	Granted	AF5YR
Jun 25, 2018	0008261320	HAM	Administrative update	Granted	AF5YR
Jun 25, 2018	0008261317	HAM	Administrative update	Granted	AF5YR
Dec 7, 2016	0007584155	HAM	Renewal + modification	Granted	AF5YR
May 22, 2015	0006812551	HAM	Modification	Granted	KC7ZWB
May 21, 2015	0006810450	HAM	Modification	Granted	KC7ZWB
Feb 20, 2015	0006678745	HAM	Modification	Granted	KC7ZWB
Feb 26, 2007	0002926322	HAM	Renewal + modification	Granted	KC7ZWB

Complete licensing history

📦 Moved: Tucson, AZ → Yuma, AZ

AG7OP Active Amateur Extra Dec 7, 2016 → expires Feb 26, 2027

Licensee
DAVID J GRAVES

Address
4180 East County 15th ST
Yuma, AZ 85365
32.6116, -114.5618 (street) · Grid DM22ro · CQ 3 · ITU 6 · map ↗

FRN
0016152944

Previous call
AF5YR (General)

Last granted
Dec 7, 2016

Effective
Dec 31, 2025

Last action
Dec 31, 2025
FCC actions (4)
- Dec 31, 2025 — Administrative update LIAUA
- Feb 25, 2021 — Administrative update LIAUA
- Jul 3, 2018 — Systematic call sign granted SYSGRT
- Jul 3, 2018 — License issued LIISS
📦 Moved: Huffman, TX → Tucson, AZ

AF5YR Canceled Amateur Extra May 23, 2015 → Jul 3, 2018 (canceled)

Licensee
DAVID J GRAVES

Address
4301 South Melpomene Way
tucson, AZ 85730
32.1898, -110.7205 (ZIP center) · Grid DM42pe · CQ 3 · ITU 6 · map ↗

FRN
0016152944

Previous call
KC7ZWB (General)

Last granted
Dec 7, 2016

Effective
Jun 26, 2018

Last action
Jul 3, 2018
FCC actions (6)
- Jul 3, 2018 — License canceled LICAN
- Jun 26, 2018 — Administrative update LIAUA
- Jun 26, 2018 — Administrative update LIAUA
- Dec 7, 2016 — License renewed LIREN
- May 23, 2015 — Systematic call sign granted SYSGRT
- May 23, 2015 — License issued LIISS
📦 Moved: , None → Huffman, TX

KC7ZWB Canceled Amateur Extra Feb 26, 2007 → May 23, 2015 (canceled)

Licensee
David J Graves

Address
318 High Point Xing
Huffman, TX 77336
30.0696, -95.1067 (ZIP center) · Grid EM20kb · CQ 4 · ITU 7 · map ↗

FRN
0016152944

Previous call
KF4ONZ (General)

Last granted
Feb 26, 2007

Effective
May 21, 2015

Last action
May 23, 2015
FCC actions (5)
- May 23, 2015 — License canceled LICAN
- May 21, 2015 — License modified LIMOD
- Feb 20, 2015 — License modified LIMOD
- Feb 26, 2007 — License renewed LIREN
- Feb 26, 2007 — FCC action LITIN
KF4ONZ Canceled Technician → Dec 18, 1997 (canceled)

Licensee
DAVID J GRAVES

Address

Last granted

Effective

Last action

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 AG7OP
DAVID J GRAVES
4180 East County 15th ST, Yuma, AZ 85365
32.6116, -114.5618 (street) · Grid DM22ro · CQ 3 · ITU 6 · map ↗
Seen Sep 3, 2018 → Oct 4, 2026 · 19 snapshots · as AF5YR
DAVID J GRAVES
4301 South Melpomene Way, tucson, AZ 85730
32.1898, -110.7205 (ZIP center) · Grid DM42pe · CQ 3 · ITU 6 · map ↗
Seen Mar 28, 2015 → Oct 4, 2026 · 46 snapshots · as KC7ZWB
David J Graves
318 High Point Xing, Huffman, TX 77336
30.0696, -95.1067 (ZIP center) · Grid EM20kb · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KF4ONZ
DAVID J GRAVES
Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as AG7OP
DAVID J GRAVES
6210 W SUNSET RD, tucson, AZ 85743
32.3023, -111.1818 (ZIP center) · Grid DM42jh · CQ 3 · ITU 6 · map ↗
Seen Dec 18, 2016 → May 7, 2018 · 8 snapshots · as AF5YR
DAVID J GRAVES
318 HIGH POINT CROSSING, HUFFMAN, TX 77336
30.0696, -95.1067 (ZIP center) · Grid EM20kb · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → May 22, 2014 · 11 snapshots · as KC7ZWB
David J Graves
PO Box 95
Carrizo Springs, TX 78834
28.5446, -99.8684 (ZIP center) · Grid EL08bn · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KC7ZWB
DAVID J GRAVES
748 E 25TH PL, YUMA, AZ 85365
33.0176, -114.1105 (ZIP center) · Grid DM23wa · CQ 3 · ITU 6 · map ↗

Nets

Net	When	Frequency	Role	Times	Last
YL SYSTEM 40 METER WC	Mon, Tue 6:30 PM · Tue 7:45 PM PT	7.254	Checked in	1	2026-10-06
YL System Moonbeam	Weekdays 4:00 PM ET	14.332	Checked in	1	2026-10-05
YL SYSTEM THIRD PERIOD	Mon, Tue 10:30 AM · Wed 10:15 AM · Thu 10:45 AM PT	14.332.00	Checked in	1	2026-10-05
YL SYSTEM 2ND PERIOD	Mon, Wed, Thu, Fri 11:45 AM · Wed, Thu 11:30 AM ET	14.332	Checked in	1	2026-10-05
YL SYSTEM 1ST PERIOD	Weekdays 9:00 AM · Mon, Wed, Thu, Fri 8:45 AM CT	14.332	Checked in	1	2026-10-05
YLSYSTEM - WEEKEND WARRIORS	Sat, Sun 4:00 PM ET	14.332	Checked in	1	2026-10-03

From nets logged with NetLogger since the start of collection.

Repeaters within 50 miles

22 repeaters within 50 miles of this address, 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 · 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
3.7	KJ7OMO	Yuma KJ7OMO AllStar	431.0000	simplex	TONE 107.2	FM (analog)	AllStar 53404 AllStar 534040	—	Yuma, AZ
4.6	W7DIN	Yuma Fairgrounds W7DIN	146.8400	-0.6	TSQL 88.5	FM (analog)		—	Yuma, AZ
6.8	KJ7OMO	Yuma Backyard KJ7OMO AllStar	444.9000	+5	TSQL 110.9	FM (analog)	AllStar 520580 EchoLink 551026 AllStar 52058	—	Yuma, AZ
6.8	N7ACS	Yuma YACS Comm N7ACS	146.6200	-0.6	TONE 103.5	FM (analog)	🗓 1 net	1 net	Yuma, AZ
7.0	N7ADR	Yuma N7ADR TGIF	446.6000	-5	CC1	DMR	TGIF	—	Yuma, AZ
7.6	KA7VLV	Yuma Backyard KA7VLV	927.4625	-25	TSQL 88.5	FM (analog)		—	Yuma, AZ
8.6	KB7UXE	Yuma KB7UXE	444.2750	+5	TONE 203.5	FM (analog)		—	Yuma, AZ
8.6	KJ6IZQ	Yuma Fortuna/I-8 KJ6IZQ WIN	448.0000	-5	TONE 100.0	FM (analog)	AllStar 2560 WIN 🗓 2 nets	2 nets	Yuma, AZ
13.8	K7YUM	Yuma Telegraph K7YUM WIRES-X	449.9250	-5	TSQL 88.5	FM (analog) (FM,C4FM)	WIRES-X 33518	—	Yuma, AZ
14.1	N7ACS	Yuma Telegraph N7ACS	146.7800	-0.6	TONE 103.5	FM (analog)	🗓 1 net	1 net	Yuma, AZ
14.1	KG7ARQ	Yuma Telegraph KG7ARQ MARC	440.9500	+5	CC0	DMR	DMR-MARC	—	Yuma, AZ
14.6	XE2RDX	San Luis Rio XE2RDX BM	438.0250	-5	TSQL 74.4	FM (analog) (DMR,FM)	BrandMeister	—	San Luis Rio Colorado, Sonora
14.6	KJ7EHM	San Luis R C Son KJ7EHM AllStar	438.0250	simplex	TONE 74.4	FM (analog)	AllStar 59770	—	San Luis R.C., Sonora
15.7	XE2VHF	San Luis Rio XE2VHF	147.3000	+0.6	TSQL 127.3	FM (analog)		—	San Luis Rio Colorado, Sonora
16.5	XE2AAG	San Luis RC XE2AAG	438.2750	-5	CC?	DMR		—	San Luis RC, Sonora
19.0	KA7QQV	RV KA7QQV AllStar	446.5000	simplex	TONE 107.2	FM (analog)	AllStar 62148	—	RV, AZ
34.3	WM6Z	Glamis Black Mtn WM6Z	147.1200	+0.6	TONE 103.5	FM (analog)		—	Glamis, CA
34.3	K6KTA	Glamis Black Mtn K6KTA	448.9600	-5	TSQL 107.2	FM (analog)		—	Glamis, CA
4.8	KC6QLS offline	Yuma KC6QLS BM	449.4625	-5	CC1	DMR	BrandMeister 312451	—	Yuma, AZ
9.3	W7JLW offline	Yuma W7JLW IRLP	446.8750	simplex	TSQL 100.0	FM (analog)	IRLP 7750	—	Yuma, AZ
34.3	WA6LAW offline	Glamis Black Mtn WA6LAW	146.8800	-0.6	TSQL 162.2	FM (analog)		—	Glamis, CA
34.3	K6XI offline	Glamis Black Mtn K6XI	927.3875	-25	TONE 151.4	FM (analog)		—	Glamis, CA