N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 6, 2026) · next update today 8:30 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 K Robertson

FRN 0007335763 · first licensed Jun 30, 2006 as KI4QAH · 2 licenses on record

📝 FCC applications (6)

Received	File number	Service	Purpose	Status	Call
Dec 6, 2018	0008460895	HAM	Renewal	Granted	W3CO
Dec 8, 2008	0003668401	HAM	Modification	Granted	KI4QAH
Nov 17, 2008	0003652486	HAM	Modification	Dismissed	KI4QAH
Nov 12, 2008	0003642807	HAM	Modification	Granted	KI4QAH
Mar 2, 2007	0002933311	HAM	Modification	Granted	KI4QAH
Jun 30, 2006	0002668756	HAM	New license	Granted	KI4QAH

Complete licensing history

W3CO Active Amateur Extra · vanity Dec 30, 2008 → expires Dec 30, 2028

Licensee
David K Robertson

Address
323 Elliott Circle
Vernon, AL 35592
33.7455, -88.0078 (street) · Grid EM53xr · CQ 4 · ITU 8 · map ↗

FRN
0007335763

Previous call
KI4QAH (General)

Last granted
Dec 7, 2018

Effective
Dec 7, 2018

Last action
Dec 7, 2018
FCC actions (3)
- Dec 7, 2018 — License renewed LIREN
- Dec 30, 2008 — Vanity call sign granted VANGRT
- Dec 30, 2008 — License issued LIISS
KI4QAH Canceled Amateur Extra Jun 30, 2006 → Dec 30, 2008 (canceled)

Licensee
David K Robertson

Address
323 Elliott Circle
Vernon, AL 35592
33.7455, -88.0078 (street) · Grid EM53xr · CQ 4 · ITU 8 · map ↗

FRN
0007335763

Last granted
Jun 30, 2006

Effective
Nov 13, 2008

Last action
Dec 30, 2008
FCC actions (5)
- Dec 30, 2008 — License canceled LICAN
- Nov 13, 2008 — License modified LIMOD
- Mar 2, 2007 — License modified LIMOD
- Jun 30, 2006 — License issued LIISS
- Jun 30, 2006 — 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 May 27, 2010 → Oct 4, 2026 · 94 snapshots · as KI4QAH
David K Robertson
323 Elliott Circle, Vernon, AL 35592
33.7455, -88.0078 (street) · Grid EM53xr · CQ 4 · ITU 8 · map ↗

Repeaters within 50 miles

74 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
5.7	KC4UG	Vernon KC4UG AllStar	444.2500	+5	TSQL 110.9	FM (analog)	AllStar 47760 EchoLink 643216	—	Vernon, AL
5.9	KC4UG	Vernon Lamar Co KC4UG BM	444.5000	+5	CC1	DMR	BrandMeister 310090	—	Vernon, AL
5.9	KC4UG	Vernon Wtr Tank KC4UG EchoLink	145.4300	-0.6	TSQL 110.9	FM (analog)	EchoLink 643216	—	Vernon, AL
9.1	W4GLE	Fayette W4GLE	147.2000	+0.6	TSQL 110.9	FM (analog)		—	Fayette, AL
10.7	KK4QXJ	Fayette KK4QXJ BM	443.0750	+5	CC2	DMR	BrandMeister 310110	—	Fayette, AL
11.0	N4GRX	Fayette N4GRX	444.8500	+5	TONE 131.8	FM (analog)		—	Fayette, AL
13.8	KN4BOF	Millport KN4BOF	145.2400	-0.6	none	D-STAR		—	Millport, AL
17.0	KC4UG	Ashcraft Corner KC4UG	444.4000	+5	TSQL 110.9	FM (analog)		—	Ashcraft Corner, AL
24.1	KT4JW	Winfield Pea KT4JW	147.0400	+0.6	TSQL 192.8	FM (analog)		—	Winfield, AL
25.3	KJ4I	Hamilton KJ4I	147.0200	+0.6	TSQL 123.0	FM (analog)		—	Hamilton, AL
25.3	KI4WX	Hamilton KI4WX	442.5500	+5	none	D-STAR		—	Hamilton, AL
26.1	KD5FRY	Columbus KD5FRY BM	443.5250	+5	CC1	DMR	BrandMeister 314613	—	Columbus, MS
29.7	KC5ULN	Columbus KC5ULN	146.6250	-0.6	TSQL 136.5	FM (analog)		—	Columbus, MS
29.7	KC5ULN	Columbus KC5ULN	147.0000	+0.6	TSQL 136.5	FM (analog)		—	Columbus, MS
29.7	KC5ULN	Columbus KC5ULN	444.9250	+5	TONE 100.0	D-STAR		—	Columbus, MS
31.2	WB5TZN	Aberdeen WB5TZN BM	147.2700	+0.6	TSQL 210.7	FM (analog) (DMR,FM)	BrandMeister 314180	—	Aberdeen, MS
32.1	KB5DWX	Amory KB5DWX	146.9400	-0.6	TSQL 192.8	FM (analog)		—	Amory, MS
32.8	K4CR	Carrollton K4CR	146.6850	-0.6	TSQL 77.0	FM (analog)		—	Carrollton, AL
32.9	KO4CCD	Hamilton KO4CCD BM	420.0000	+20	CC1	DMR	BrandMeister 316195702	—	Hamilton, AL
39.9	W4ZZA	Haleyville Hosp W4ZZA	442.2250	+5	TSQL 203.5	FM (analog)		—	Haleyville, AL
41.2	N9YAY	Northport N9YAY Ammcomm	444.1250	+5	CC1	DMR	Ammcomm	—	Northport, AL
41.6	N4MYI	Parrish N4MYI	443.2750	+5	TSQL 123.0	FM (analog)		—	Parrish, AL
42.4	W4WCA	Jasper W4WCA	146.6600	-0.6	TSQL 110.9	FM (analog) (DV,FM)		—	Jasper, AL
42.4	W4WCA	Jasper W4WCA	442.3000	+5	TSQL 110.9	FM (analog) (C4FM,FM)		—	Jasper, AL
42.4	N4MYI	Jasper N4MYI	146.6400	-0.6	TSQL 123.0	FM (analog)		—	Jasper, AL
42.4	WB4ACN	Jasper WB4ACN	146.9000	-0.6	none	FM (analog)		—	Jasper, AL
42.4	KI4GEA	Jasper KI4GEA	147.2600	+0.6	none	FM (analog)		—	Jasper, AL
42.4	N4MYI	Jasper N4MYI Alabama-DM	443.9250	+5	TSQL 123.0	FM (analog) (DMR,FM)	Alabama-DMR	—	Jasper, AL
42.4	N4MYI	Jasper N4MYI	444.0500	+5	TSQL 123.0	FM (analog)		—	Jasper, AL
42.6	W5NEM	Fulton W5NEM EchoLink	145.4500	-0.6	TONE 192.8	FM (analog)	EchoLink 463411	—	Fulton, MS
42.8	KE5BSB	Fulton HE School KE5BSB	443.2000	+5	CC1	DMR		—	Fulton, MS
43.1	AD5T	Fulton AD5T BM	443.2000	+5	CC1	DMR	BrandMeister 310034	—	Fulton, MS
43.1	KD5FRY	West Point KD5FRY	147.1800	+0.6	TSQL 110.9	FM (analog) (FM,C4FM)		—	West Point, MS
43.1	KD5FRY	West Point KD5FRY BM	441.9000	+5	CC1	DMR	BrandMeister 313189	—	West Point, MS
43.5	KD9Q	Northport KD9Q MARC	444.1750	+5	CC1	DMR	DMR-MARC	—	Northport, AL
43.5	WS4I	Northport Lk WS4I	146.9250	-0.6	TSQL 131.8	FM (analog)		—	Northport, AL
43.7	KI4UX	Vina KI4UX	146.7900	-0.6	TSQL 103.5	FM (analog)		—	Vina, AL
44.3	KD5FJV	Tuscaloosa KD5FJV BM	434.0000	+5	CC1	DMR	BrandMeister 3214715	—	Tuscaloosa, AL
44.8	KX4I	Tuscaloosa KX4I	29.6400	-0.1	none	FM (analog)		—	Tuscaloosa, AL
44.8	WS4I	Tuscaloosa WS4I	145.1100	-0.6	TSQL 131.8	FM (analog)		—	Tuscaloosa, AL
44.8	KX4I	Tuscaloosa KX4I	145.3500	-0.6	TSQL 91.5	FM (analog)		—	Tuscaloosa, AL
44.8	KX4I	Tuscaloosa KX4I	145.4700	-0.6	TSQL 179.9	FM (analog)		—	Tuscaloosa, AL
44.8	KX4I	Tuscaloosa KX4I	147.0600	-0.6	TONE 179.9	FM (analog)		—	Tuscaloosa, AL
44.8	KR4ET	Tuscaloosa KR4ET	147.2400	+0.6	TSQL 186.2	FM (analog)		—	Tuscaloosa, AL
44.8	W4WYN	Tuscaloosa W4WYN	147.3000	+0.6	TSQL 131.8	FM (analog)		—	Tuscaloosa, AL
44.8	W4ELX	Tuscaloosa W4ELX	443.3000	+5	TSQL 131.8	FM (analog)		—	Tuscaloosa, AL
44.8	KX4I	Tuscaloosa KX4I	443.5750	+5	TONE 192.8	FM (analog)		—	Tuscaloosa, AL
44.8	W4XI	Tuscaloosa W4XI BM	443.8250	+5	CC1	DMR	BrandMeister 310273 🗓 1 net	1 net · 4 check-ins · 2 stations	Tuscaloosa, AL
44.8	KX4I	Tuscaloosa KX4I	444.0250	+5	TONE 203.5	FM (analog)		—	Tuscaloosa, AL
44.8	N9YAY	Tuscaloosa N9YAY	444.5750	+5	TSQL 210.7	FM (analog) (FM,P25)		—	Tuscaloosa, AL
44.8	N9YAY	Tuscaloosa N9YAY	444.9000	+5	CC1	DMR		—	Tuscaloosa, AL
44.8	W4MD	Tuscaloosa W4MD	442.1500	+5	none	FM (analog)		—	Tuscaloosa, AL
44.8	W4TTR	Tuscaloosa W4TTR	442.9000	+5	none	D-STAR		—	Tuscaloosa, AL
44.8	W4MD	Tuscaloosa W4MD	442.9500	+5	none	FM (analog)		—	Tuscaloosa, AL
44.8	K4CR	Tuscaloosa K4CR MARC	442.3750	+5	CC1	DMR	DMR-MARC	—	Tuscaloosa, AL
44.8	W4TTR	Tuscaloosa W4TTR	145.3500	-0.6	none	D-STAR		—	Tuscaloosa, AL
45.0	N4MYI	Goodsprings N4MYI	146.8600	-0.6	TSQL 123.0	FM (analog)		—	Goodsprings, AL
45.2	W4UAL	Tuscaloosa Paty W4UAL IRLP	145.2100	-0.6	TSQL 103.5	FM (analog)	IRLP 4719	—	Tuscaloosa, AL
45.9	N4MGC	Jasper N4MGC BM	439.5500	in 433.5500	CC1	DMR	BrandMeister 317866401	—	Jasper, AL
45.9	K4HDC	Tuscaloosa K4HDC IRLP	442.3750	+5	TSQL 77.0	FM (analog)	EchoLink 640739 IRLP 4158	—	Tuscaloosa, AL
46.5	W4KCQ	Tuscaloosa W4KCQ	146.6050	-0.6	none	D-STAR		—	Tuscaloosa, AL
46.5	W4KCQ	Tuscaloosa W4KCQ	444.0750	+5	none	D-STAR		—	Tuscaloosa, AL
46.5	W4KCQ	Tuscaloosa W4KCQ	1284.4000	-20	none	D-STAR		—	Tuscaloosa, AL
47.0	KD9Q	Tuscaloosa KD9Q AL-DMR	444.9000	+5	CC1	DMR	AL-DMR	—	Tuscaloosa, AL
47.4	W4WCA	Jasper W4WCA EchoLink	147.3900	+0.6	TSQL 110.9	FM (analog)	EchoLink 993864	—	Jasper, AL
47.5	WX4FC	Russellville Spr WX4FC	147.2100	+0.6	TSQL 103.5	FM (analog)		—	Russellville, AL
47.7	KI4GEA	Curry Wtr Tank KI4GEA	441.8000	+5	TSQL 123.0	FM (analog)		—	Curry, AL
48.3	W4XI	Tuscaloosa W4XI	146.8200	-0.6	TSQL 118.8	FM (analog)	🗓 1 net	1 net · 4 check-ins · 2 stations	Tuscaloosa, AL
48.4	WX5F	Booneville WX5F	147.1500	+0.6	TONE 110.9	FM (analog)		—	Booneville, MS
48.4	WX5F	Booneville WX5F	441.8500	+5	TSQL 118.8	FM (analog)		—	Booneville, MS
5.9	KC4UG offline	Vernon Lamar Co KC4UG	145.1200	-0.6	none	D-STAR		—	Vernon, AL
19.7	K5WHB offline	Corinth K5WHB BM	443.9000	+5	CC1	DMR	BrandMeister 314332	—	Corinth, MS
31.3	WB5TZN offline	Aberdeen WB5TZN	444.4500	+5	TONE 210.7	FM (analog)		—	Aberdeen, MS
44.8	N9YAY offline	Tuscaloosa N9YAY	146.9400	-0.6	TSQL 210.7	P25		—	Tuscaloosa, AL

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Dec 8, 2008 Granted Dec 7, 2018 0003668401	KI4QAH · David K Robertson · Amateur Extra 323 Elliott Circle, Vernon, AL 35592 33.7455, -88.0078 (street) · Grid EM53xr · CQ 4 · ITU 8 · map ↗	1.W4TP held by John A Billingsley Sr until Dec 30, 2028 2.N4WZ held by JEFFREY S HILLMANN until Dec 16, 2028 3.W4VI held by Kirk L Waters until Dec 9, 2028 4.W4LI held by Daniel P Hoogterp until Jun 1, 2031 5.W3ZD held by KEITH G RICHIE until Nov 10, 2030 6.W3CO ✓ granted 7.K3FG held by Harold A Read III until Jan 10, 2029	Granted got W3CO
Filed Nov 17, 2008 Award date was Dec 5, 2008 0003652486	KI4QAH · David K Robertson · Amateur Extra 323 Elliott Circle, Vernon, AL 35592 33.7455, -88.0078 (street) · Grid EM53xr · CQ 4 · ITU 8 · map ↗	1.K4PS held by MICHAEL A COBB until Nov 25, 2028 2.K4RW held by ROGER ESLICK until Nov 25, 2028 3.W4SH held by HUGH W BELTON III until Nov 25, 2028 4.N4SV held by William B South until Nov 18, 2028 5.K4SZ held by Matthew R Balaun until Nov 21, 2028 6.W4VI held by Kirk L Waters until Dec 9, 2028 7.N4WZ held by JEFFREY S HILLMANN until Dec 16, 2028 8.W4FT held by CLIFFORD M BROUGHTON until Nov 25, 2028	Dismissed