N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

Michael K Porter

FRN 0024904344 · first licensed Oct 2, 2017 as KN4GGH · 3 licenses on record

📻 GMRS licenses on this FRN

GMRS call	Status	Name	Location	Granted	Expires
WQZY449	Active	Michael K Porter	Traverse City, MI	Jun 11, 2022	Sep 7, 2032

📝 FCC applications (15)

Received	File number	Service	Purpose	Status	Call
Jun 10, 2022	0010085465	GMRS	Renewal	Granted
Apr 19, 2022	0010008771	GMRS	Administrative update	Granted
Aug 6, 2021	0009651810	HAM	Administrative update	Granted	KN4GGH
Jul 13, 2020	0009144628	HAM	Modification	Granted	K4MKP
Jan 31, 2020	0008956517	HAM	Withdrawal	Withdrawn	K4MKP
Sep 9, 2019	0008790735	HAM	Modification	Granted	K4MKP
Jun 6, 2019	0008681719	HAM	Administrative update	Granted	K4MKP
Nov 26, 2018	0008446931	HAM	Modification	Dismissed	K4MKP
Jun 25, 2018	0008261418	HAM	Modification	Granted	KN4GGH
Feb 21, 2018	0008106747	HAM	Administrative update	Granted	KN4GGH
Feb 21, 2018	0008106746	GMRS	Administrative update	Granted
Feb 12, 2018	0008087480	HAM	Withdrawal	Withdrawn	KN4GGH
Dec 26, 2017	0008032657	HAM	Withdrawal	Withdrawn	KN4GGH
Oct 2, 2017	0007945868	HAM	New license	Granted	KN4GGH
Sep 6, 2017	0007917458	GMRS	New license	Granted

Complete licensing history

📦 Moved: Hinesville, GA → Traverse City, MI

KN4GGH Active General · vanity Jul 31, 2020 → expires Jul 31, 2030

Licensee
Michael K Porter

Address
Attn: Michael K. Porter
4067 Stone Ridge Dr
Traverse City, MI 49684
44.7270, -85.6583 (street) · Grid EN74er · CQ 4 · ITU 8 · map ↗

FRN
0024904344

Previous call
K4MKP (Technician)

Last granted
Jul 31, 2020

Effective
Aug 10, 2021

Last action
Aug 10, 2021
FCC actions (3)
- Aug 10, 2021 — Administrative update LIAUA
- Jul 31, 2020 — Vanity call sign granted VANGRT
- Jul 31, 2020 — License issued LIISS
📦 Moved: Largo, FL → Hinesville, GA

K4MKP Canceled General · vanity Jul 13, 2018 → Jul 31, 2020 (canceled)

Licensee
Michael K Porter

Address
Attn: Michael K. Porter
296 Whitetail Circle
Hinesville, GA 31313
31.8366, -81.6168 (ZIP center) · Grid EM91eu · CQ 5 · ITU 8 · map ↗

FRN
0024904344

Previous call
KN4GGH (Technician)

Last granted
Jul 13, 2018

Effective
Sep 9, 2019

Last action
Jul 31, 2020
FCC actions (5)
- Jul 31, 2020 — License canceled LICAN
- Sep 9, 2019 — License modified LIMOD
- Jun 7, 2019 — Administrative update LIAUA
- Jul 13, 2018 — Vanity call sign granted VANGRT
- Jul 13, 2018 — License issued LIISS
KN4GGH Canceled Technician Oct 2, 2017 → Jul 13, 2018 (canceled)

Licensee
Michael K Porter

Address
Attn: Michael K. Porter
13697 Twig Terrace
Largo, FL 33774
27.8838, -82.8279 (ZIP center) · Grid EL87ov · CQ 5 · ITU 8 · map ↗

FRN
0024904344

Last granted
Oct 2, 2017

Effective
Feb 22, 2018

Last action
Jul 13, 2018
FCC actions (4)
- Jul 13, 2018 — License canceled LICAN
- Feb 22, 2018 — Administrative update LIAUA
- Oct 2, 2017 — License issued LIISS
- Oct 2, 2017 — 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 Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as K4MKP
Michael K Porter
Attn: Michael K. Porter
296 Whitetail Circle, Hinesville, GA 31313
31.8366, -81.6168 (ZIP center) · Grid EM91eu · CQ 5 · ITU 8 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KN4GGH
Michael K Porter
Attn: Michael K. Porter
4067 Stone Ridge Dr, Traverse City, MI 49684
44.7270, -85.6583 (street) · Grid EN74er · CQ 4 · ITU 8 · map ↗
Seen May 7, 2018 → Oct 4, 2026 · 20 snapshots · as KN4GGH
Michael K Porter
Attn: Michael K. Porter
13697 Twig Terrace, Largo, FL 33774
27.8838, -82.8279 (ZIP center) · Grid EL87ov · CQ 5 · ITU 8 · map ↗
Seen Nov 11, 2017 → Jan 2, 2018 · 2 snapshots · as KN4GGH
Michael K Porter
10230 SW 4th Court Unit 305, Pembroke Pines, FL 33025
25.9882, -80.2814 (ZIP center) · Grid EL95ux · CQ 5 · ITU 8 · map ↗

Repeaters within 50 miles

44 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
2.4	KD8OXV	Traverse City KD8OXV BM	443.3125	+5	none	D-STAR (DMR,DV)	BrandMeister 312241	—	Traverse City, MI
2.4	N8DMH	Trav Munson Med N8DMH AllStar	444.3500	+5	TSQL 107.2	FM (analog) (C4FM,DMR,DV,FM)	AllStar 55475 EchoLink 766199 WIRES-X 09152 AllStar 554750 BrandMeister TGIF	—	Traverse City, MI
2.5	N8DMH	Trav Munson Med N8DMH AllStar	147.2600	+0.6	TSQL 114.8	FM (analog)	AllStar 554751	—	Traverse City, MI
2.8	N8CN	Traverse City N8CN AllStar	444.4000	+5	TSQL 114.8	FM (analog)	EchoLink 49686 AllStar 400312	—	Traverse City, MI
3.1	W8TVC	Traverse City W8TVC EchoLink	145.2700	-0.6	TONE 114.8	FM (analog)	EchoLink 56464	—	Traverse City, MI
3.1	W8QPO	Traverse City W8QPO	442.9000	+5	TONE 114.8	FM (analog) (C4FM,FM)		—	Traverse City, MI
3.1	KJ4KFJ	Traverse City KJ4KFJ	443.0000	+5	TONE 114.8	FM (analog)		—	Traverse City, MI
3.3	N8DMH	Traverse City N8DMH WIRES-X	146.9200	-0.6	DG-ID 00-00	Fusion (C4FM)	WIRES-X 74063	—	Traverse City, MI
3.6	W8TCM	Traverse City W8TCM AllStar	146.8600	-0.6	TSQL 114.8	FM (analog)	EchoLink 824031 AllStar 561472	—	Traverse City, MI
3.6	W8TCM	Traverse City W8TCM WIRES-X	442.5000	+5	none	FM (analog) (DMR,FM)	WIRES-X 21335 BrandMeister TGIF	—	Traverse City, MI
3.7	KF8KK	Glen Arbor KF8KK	444.7250	+5	TSQL 114.8	FM (analog) (FM,C4FM)		—	Glen Arbor, MI
7.7	KD8REH	Trave Mt Holiday KD8REH	146.9600	-0.6	TSQL 114.8	FM (analog)		—	Traverse City, MI
11.6	KD8REH	Kingsley KD8REH BM	443.3500	+5	CC1	DMR	BrandMeister TGIF	—	Kingsley, MI
13.7	N8DMH	Traver Fire Dept N8DMH AllStar	442.2875	+5	TSQL 114.8	FM (analog) (FM,C4FM)	AllStar 561472 WIRES-X 43032	—	Traverse City, MI
17.8	N8OCX	Lake Leelanau N8OCX	442.2500	+5	TSQL 114.8	FM (analog)		—	Lake Leelanau, MI
18.6	WD8DX	Lake Sheriff Dep WD8DX AllStar	147.1400	+0.6	TSQL 103.5	FM (analog)	AllStar 567757	—	Lake Leelanau, MI
19.0	W8QPO	Sherman W8QPO WIRES-X	147.1000	+0.6	TSQL 114.8	FM (analog) (C4FM,FM)	WIRES-X 21335	—	Sherman, MI
21.0	W8QPO	Leland W8QPO	146.9200	-0.6	TSQL 114.8	FM (analog)		—	Leland, MI
21.8	W8BNZ	Honor Crystal W8BNZ	147.0400	+0.6	TSQL 114.8	FM (analog) (FM,C4FM)		—	Honor, MI
22.1	KB8SVJ	Thompsonville KB8SVJ AllStar	147.3400	+0.6	TSQL 114.8	FM (analog)	AllStar 567758	—	Thompsonville, MI
22.8	KG8CW	Beulah KG8CW WIRES-X	147.0400	+0.6	DG-ID 00-00	Fusion (C4FM)	WIRES-X 99849	—	Beulah, MI
23.7	W8KAL	Kalkaska W8KAL	52.8200	-0.5	none	FM (analog)		—	Kalkaska, MI
23.7	AA8ZV	Kalkaska AA8ZV	147.3000	+0.6	TONE 123.0	FM (analog)		—	Kalkaska, MI
24.0	W8FIK	TRAVERSE CITY W8FIK BM	438.5500	-5	CC1	DMR	BrandMeister 3210934	—	TRAVERSE CITY, MI
28.0	W8VPC	Bellaire W8VPC AllStar	146.6400	-0.6	TONE 100.0	FM (analog)	AllStar 404241	—	Bellaire, MI
28.4	WD8DX	Northport WD8DX	147.2200	+0.6	TSQL 151.4	FM (analog)		—	Northport, MI
30.0	KF9C	Kaleva KF9C	145.1700	-0.6	TONE 94.8	FM (analog)		—	Kaleva, MI
31.7	K8WQK	Mancelona K8WQK	147.3800	+0.6	TONE 107.2	FM (analog)		—	Mancelona, MI
33.1	K8WQK	Mancelona K8WQK WIRES-X	442.8000	+5	TONE 110.9	FM (analog) (C4FM,FM)	WIRES-X 21335	—	Mancelona, MI
35.2	K8CAD	Cadillac K8CAD	146.9800	-0.6	none	FM (analog)		—	Cadillac, MI
35.2	W8IRA	Cadillac W8IRA AllStar	147.1600	+0.6	TONE 103.5	FM (analog)	EchoLink 974494 AllStar 472440	—	Cadillac, MI
35.2	W8CT	Cadillac W8CT WIRES-X	444.8250	+5		Fusion (C4FM)	WIRES-X 1	—	Cadillac, MI
39.6	W8COL	East Jordan W8COL	147.2800	+0.6	TSQL 103.5	FM (analog)		—	East Jordan, MI
40.8	N8RDC	East Jordan Rave N8RDC	442.0000	+5	TONE 114.8	FM (analog)		—	East Jordan, MI
41.6	KC8NVG	East Jordan KC8NVG	147.3600	+0.6	none	FM (analog)		—	East Jordan, MI
41.6	no call listed	East Jordan Michigan	147.3600	+0.6	TONE 114.8	FM (analog)		—	East Jordan, MI
43.3	K7IOU	Gaylord K7IOU IRLP	224.7400	-1.6	TONE 136.5	FM (analog)	EchoLink 22474 IRLP 3033	—	Gaylord, MI
45.7	NM8ES	Elmira NM8ES	145.3200	-0.6	none	D-STAR		—	Elmira, MI
45.7	NM8ES	Elmira NM8ES	444.1125	+5	none	D-STAR		—	Elmira, MI
46.6	N8AHZ	Grayling N8AHZ WIRES-X	145.1300	-0.6	TSQL 107.2	FM (analog) (C4FM,FM)	WIRES-X 1	—	Grayling, MI
46.8	W8GJX	Manistee W8GJX	146.7800	-0.6	TSQL 94.8	FM (analog)		—	Manistee, MI
3.7	WI0OK offline	Greilickville WI0OK	145.3600	-0.6	none	D-STAR		—	Greilickville, MI
22.9	W8BNZ offline	Benzonia W8BNZ	442.6000	+5	TSQL 100.0	FM (analog) (FM,C4FM)		—	Benzonia, MI
29.1	W8BNZ offline	Frankfort W8BNZ	442.2000	+5	TSQL 114.8	FM (analog)		—	Frankfort, MI

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Jul 13, 2020 Granted Oct 2, 2017 0009144628	K4MKP · Michael K Porter · General Attn: Michael K. Porter · 296 Whitetail Circle, Hinesville, GA 31313 31.8366, -81.6168 (ZIP center) · Grid EM91eu · CQ 5 · ITU 8 · map ↗	1.KN4GGH ✓ granted	Granted got KN4GGH
Filed Nov 26, 2018 Granted Oct 2, 2017 0008446931	K4MKP · Michael K Porter · Technician Attn: Michael K. Porter · 13697 Twig Terrace, Largo, FL 33774 27.8838, -82.8279 (ZIP center) · Grid EL87ov · CQ 5 · ITU 8 · map ↗	1.KN4GGH ✓ granted	Dismissed got KN4GGH
Filed Jun 25, 2018 Award date was Jul 13, 2018 0008261418	KN4GGH · Michael K Porter · Technician Attn: Michael K. Porter · 13697 Twig Terrace, Largo, FL 33774 27.8838, -82.8279 (ZIP center) · Grid EL87ov · CQ 5 · ITU 8 · map ↗	1.K4MKP held 2.N4MKP	Granted