N9TPB FCC License Search

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

KC4MB HAM 📻 GMRS

📻

Also a GMRS licensee

WQON467

Active until Nov 29, 2031 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

Amateur Extra class licensed since 2011 (15 yrs) KC4MB since 2012 · previously KK4CZC Edgar Springs, MO Grid EM47bq LoTW user eQSL AG GMRS WQON467 44 repeaters within 50 mi

🔒 Not available — currently licensed, through Mar 23, 2033. If it isn't renewed, it opens for vanity requests Mar 24, 2035.

📬 QSL: LoTW user · last upload May 25, 2017 · eQSL AG member · QRZ · HamQTH

📝 KC4MB has filed vanity applications before — latest filed Jun 6, 2012 · what was requested

Currently held by Martin R Bates · 2 holders on record

Current holder: Martin R Bates

Held KC4MB Jun 26, 2012 → present · first licensed Jul 1, 2011 as KK4CZC · 2 licenses · FRN 0020964185

📦 Moved: Barberville, FL → Edgar Springs, MO

KC4MB Active Amateur Extra · vanity Jun 26, 2012 → expires Mar 23, 2033

Licensee
Martin R Bates

Address
Attn: MARTIN R BATES
24450 County Road 6050
Edgar Springs, MO 65462
37.6847, -91.8646 (ZIP center) · Grid EM47bq · CQ 4 · ITU 7 · map ↗

FRN
0020964185

Previous call
KK4CZC (General)

Last granted
Mar 23, 2023

Effective
Mar 23, 2023

Last action
Mar 23, 2023
FCC actions (8)
- Mar 23, 2023 — License renewed LIREN
- May 11, 2022 — Administrative update LIAUA
- Nov 16, 2021 — Administrative update LIAUA
- Apr 5, 2016 — Administrative update LIAUA
- Jan 13, 2015 — Administrative update LIAUA
- Jan 10, 2015 — Administrative update LIAUA
- Jun 26, 2012 — Vanity call sign granted VANGRT
- Jun 26, 2012 — License issued LIISS
KK4CZC Canceled Amateur Extra Jul 1, 2011 → Jun 26, 2012 (canceled)

Licensee
Martin R Bates

Address
PO Box 95
Barberville, FL 32105

FRN
0020964185

Last granted
Jul 1, 2011

Effective
May 25, 2012

Last action
Jun 26, 2012
FCC actions (5)
- Jun 26, 2012 — License canceled LICAN
- May 25, 2012 — License modified LIMOD
- Sep 9, 2011 — License modified LIMOD
- Jul 1, 2011 — License issued LIISS
- Jul 1, 2011 — 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 27, 2024 → Oct 11, 2026 · 13 snapshots · as KC4MB
Martin R Bates
Attn: MARTIN R BATES
24450 County Road 6050, Edgar Springs, MO 65462
37.6847, -91.8646 (ZIP center) · Grid EM47bq · CQ 4 · ITU 7 · map ↗
Seen Oct 17, 2011 → Oct 11, 2026 · 47 snapshots · as KK4CZC
Martin R Bates
PO Box 95
Barberville, FL 32105
Seen Apr 16, 2022 · 1 snapshot · as KC4MB
Martin R Bates 624
Attn: MARTIN R BATES
721 S Weller Ave, Springfield, MO 65802
37.2105, -93.3517 (ZIP center) · Grid EM37hf · CQ 4 · ITU 7 · map ↗
Seen Jun 30, 2016 → May 6, 2019 · 13 snapshots · as KC4MB
Martin R Bates
207 E Hagstrom Rd, Pierson, FL 32180
29.2410, -81.4428 (ZIP center) · Grid EL99gf · CQ 5 · ITU 8 · map ↗
Seen Mar 28, 2015 → Mar 16, 2016 · 10 snapshots · as KC4MB
Martin R Bates
922 Hunters Creek Dr Apt 207, Deland, FL 32720
29.0333, -81.3748 (ZIP center) · Grid EL99ha · CQ 5 · ITU 8 · map ↗
Seen Jul 26, 2012 → May 22, 2014 · 7 snapshots · as KC4MB
Martin R Bates
PO Box 95
500 Buckles Rd, Barberville, FL 32105

Previous holder: Roy V Wallace Jr

Held KC4MB Apr 5, 1988 → Jul 14, 2009 · first licensed Apr 5, 1988 as KC4MB · 2 licenses · FRN 0014193312
📖 In the printed callbooks since 1971 as WB4PSX, before the FCC's online records

NI3M Active Amateur Extra · vanity Jul 14, 2009 → expires Jul 14, 2029

Licensee
Roy V Wallace Jr

Address
3821 Beech Ave
Baltimore, MD 21211-2223
39.3347, -76.6269 (street) · Grid FM19qi · CQ 5 · ITU 8 · map ↗

FRN
0014193312

Previous call
KC4MB (Advanced)

Last granted
May 1, 2019

Effective
May 1, 2019

Last action
May 1, 2019
FCC actions (3)
- May 1, 2019 — License renewed LIREN
- Jul 14, 2009 — Vanity call sign granted VANGRT
- Jul 14, 2009 — License issued LIISS
KC4MB Canceled Amateur Extra Apr 5, 1988 → Jul 14, 2009 (canceled)

Licensee
Roy V Wallace Jr

Address
3821 Beech Ave
Baltimore, MD 21211-2223
39.3347, -76.6269 (street) · Grid FM19qi · CQ 5 · ITU 8 · map ↗

FRN
0014193312

Last granted
Oct 3, 2007

Effective
Oct 3, 2007

Last action
Jul 14, 2009
FCC actions (5)
- Jul 14, 2009 — License canceled LICAN
- Oct 3, 2007 — License renewed LIREN
- Sep 5, 2006 — License modified LIMOD
- Oct 28, 2005 — Administrative update LIAUA
- Oct 27, 2005 — FCC action ESCFRN

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 Mar 9, 1998 → Apr 7, 1999 · 3 discs
KC4MB · Advanced · issued Dec 31, 1997, expires Dec 31, 2007
ROY V WALLACE JR
4810 POWDER MILL RD, BELTSVILLE, MD 20705-1934
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs
KC4MB · Advanced · issued Apr 5, 1988, expires Apr 5, 1998
ROY V WALLACE JR
6388 RAINBOW SPAN, COLUMBIA, MD 21045

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 · 96 snapshots · as KC4MB
Roy V Wallace Jr
3821 Beech Ave, Baltimore, MD 21211-2223
39.3347, -76.6269 (street) · Grid FM19qi · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KC4MB
ROY V WALLACE JR
4810 POWDER MILL RD, BELTSVILLE, MD 20705-1934
39.0471, -76.8981 (ZIP center) · Grid FM19nb · CQ 5 · ITU 8 · map ↗

KC4MB 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.

1993 → 1997 · 3 editions
KC4MB · class A
Roy V Wallace Jr
6388 Rainbow S~an, Olum Ia, MD 21045
1993 p.633, 1996 p.731, 1997 p.759
1992 · 1 edition
KC4MB · class N
William C Youmans
671 Vistawilla Dr, Winter Springs, FL 32708
1992 p.586
1989 → 1991 · 3 editions
KC4MB · class A
Roy V Wallace Jr
6388 Rainbow Span, Columbia, MD 11045
Winter 1989 p.532, Winter 1990 p.534, Winter 1991 p.565
1984 · 1 edition
KC4MB · class A
Roy V Wallace Jr
B3bb Rainbow Sgan, Columbia, MD 21045
Winter 1984 p.517
None → 1983 · 3 editions
KC4MB · class A
Roy V Wallace Jr
6804 Landor Ln, Springfield, VA 22152
None p.417, 1981 p.397, Winter 1983 p.492

Vanity Applications Filed by KC4MB

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Jun 6, 2012 Granted Mar 23, 2023 0005243561	KK4CZC · Martin R Bates · Amateur Extra PO Box 95 · 500 Buckles Rd, Barberville, FL 32105	1.KC4MB ✓ Granted 2.KC7MB Available 3.K7MRB Held by Michael R Breshears until Mar 23, 2034	Granted got KC4MB
Filed Jun 25, 2009 Granted May 1, 2019 0003883178	KC4MB · Roy V Wallace Jr · Amateur Extra Attn: Roy V Wallace Jr · 3821 Beech Ave, Baltimore, MD 21211-2223 39.3347, -76.6269 (street) · Grid FM19qi · CQ 5 · ITU 8 · map ↗	1.NI3M ✓ Granted 2.KS3I Held by Ken Sandberg until Nov 3, 2029 3.KO3I Held by John D Spickes until Mar 31, 2032 4.KU3M Held by SCOTT A BEITZEL SR until Feb 15, 2033	Granted got NI3M

Others Requesting KC4MB

1 application listed KC4MB as a choice, newest first.

Filed	Award	Applicant	Choice #	KC4MB	Result
Jun 6, 2012	Jun 24, 2012	KK4CZC · Martin R Bates · Barberville, FL	1	Granted	Granted this call

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for KC4MB in the last 24 hours. They show up here within seconds of KC4MB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

📻 GMRS Repeaters within 50 Miles

6 on the air or of unknown status, closest first · map these & export for a GMRS radio →

Miles	Channel	Output	Tone in	Owner	Location	Access	Status
19	RP19	462.650	167.9	WRJB323	Dexter, MO · 3 Miles North Of	Closed	On the air
19	RP22	462.725	203.5	WROW895	Raymore, MO	Open	On the air
19	RP21	462.700	—	WRTT600	Vanduser, MO	Closed	On the air
19	RP17	462.600	162.2	WSAC934	Aurora, MO	Open	On the air
43	RP17	462.600	141.3	WRQK747	Lebanon, MO · Water Tower	Open	On the air
47	RP19	462.650	141.3	WROP500	Eldridge, MO	Open	Unknown

Repeaters within 50 Miles

44 repeaters within 50 miles of this ZIP code, most active 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
15.2	K0GGM	Salem K0GGM AllStar	146.9700	-0.6	TSQL 110.9	FM (analog) (C4FM,FM)	AllStar 450650 AllStar 450654	—	Salem, MO
16.9	N0OMR	Prescott N0OMR AllStar	146.8500	-0.6	TONE 114.8	FM (analog)	AllStar 49401 EchoLink 222714	—	Prescott, MO
16.9	N0KBC	Prescott N0KBC AllStar	146.8500	-0.6	TONE 114.8	FM (analog)	AllStar 49401	—	Prescott, MO
18.2	WB0NRP	Salem WB0NRP	146.6550	-0.6	none	FM (analog)		—	Salem, MO
18.2	K0GGM	Salem K0GGM	444.5750	+5	TSQL 110.9	FM (analog)		—	Salem, MO
18.9	W0CMD	Rolla PHM Office W0CMD	444.0000	+5	none	FM (analog) (DV,FM)		—	Rolla, MO
19.1	K0NXA	Rolla MTI HQ K0NXA AllStar	146.8200	-0.6	TSQL 110.9	FM (analog) (FM,P25)	AllStar 565502 EchoLink 113667	—	Rolla, MO
19.1	W0GS	Rolla PHM Office W0GS	145.1300	-0.6	TSQL 88.5	FM (analog)		—	Rolla, MO
19.1	W0EEE	Rolla W0EEE	53.4500	in 51.7500	TSQL 110.9	FM (analog)		—	Rolla, MO
19.1	WB9KHR	Rolla WB9KHR	147.2100	+0.6	TSQL 88.5	FM (analog)		—	Rolla, MO
19.4	WB0OBX	Cameron WB0OBX	443.4250	+5	CC7	DMR		—	Cameron, MO
19.6	W0EEE	Rolla TR Hall W0EEE	145.4500	-0.6	TSQL 110.9	FM (analog)		—	Rolla, MO
19.6	W0EEE	Rolla TR Hall W0EEE BM	443.8250	+5	TSQL 110.9	FM (analog) (C4FM,DMR,FM)	BrandMeister 312944	—	Rolla, MO
19.7	W0EEE	Rolla W0EEE BM	448.8250	-5	CC12	DMR	BrandMeister 312944	—	Rolla, MO
19.7	W0EEE	Rolla W0EEE	442.6750	+5	CC?	DMR		—	Rolla, MO
25.3	KB0MPO	Houston KB0MPO	147.1350	+0.6	TONE 100.0	FM (analog)		—	Houston, MO
27.0	W0GS	Dixon W0GS	146.7900	-0.6	TSQL 88.5	FM (analog)		—	Dixon, MO
29.7	KB0WLF	Salem KB0WLF AllStar	147.0450	-0.6	TONE 110.9	FM (analog)	AllStar 41106	—	Salem, MO
32.3	K0NXA	Bendavis MSHP K0NXA AllStar	444.7750	+5	TSQL 110.9	FM (analog)	AllStar 565502 EchoLink 113667	—	Bendavis, MO
32.8	N0GYE	Brinktown N0GYE	146.8950	-0.6	none	FM (analog)		—	Brinktown, MO
33.2	KF5QMA	Steelville KF5QMA	146.6400	-0.6	TSQL 110.9	FM (analog)		—	Steelville, MO
34.0	N0BJM	Steelville N0BJM	146.6400	-0.6	TSQL 110.9	FM (analog)		—	Steelville, MO
34.3	KE0ZHZ	Cuba KE0ZHZ BM	441.5500	+5	CC1	DMR	BrandMeister 3219191	—	Cuba, MO
35.9	KD0JOX	Cuba KD0JOX	147.3450	+0.6	TSQL 110.9	FM (analog)		—	Cuba, MO
39.2	KD0IM Offline	Bunker KD0IM	147.2700	+0.6	TONE 156.7	FM (analog)		—	Bunker, MO
39.9	N0WNC	Viburnum N0WNC	147.3000	+0.6	TSQL 110.9	FM (analog)		—	Viburnum, MO
39.9	KD0KIB	Viburnum KD0KIB AllStar	147.3000	+0.6	TONE 100.0	FM (analog)	AllStar 450650	—	Viburnum, MO
39.9	KD0KIB	Viburnum KD0KIB	442.0500	+5	TSQL 100.0	FM (analog)		—	Viburnum, MO
42.2	N0VHN	Belle N0VHN	224.6000	-5	none	FM (analog)		—	Belle, MO
42.2	N0VHN	Belle N0VHN	442.6000	+5	TONE 127.3	FM (analog)		—	Belle, MO
43.4	N0NOE	Belle N0NOE BM	442.6000	+5	CC2	DMR	BrandMeister 310240	—	Belle, MO
43.5	N0GW	Lebanon N0GW BM	443.5000	+5	CC12	DMR	BrandMeister 311000	—	Lebanon, MO
43.7	K0LH	Lebanon K0LH	444.5500	+5	TONE 88.5	FM (analog)		—	Lebanon, MO
44.1	KG0LF	Mountain Grove KG0LF	147.2850	+0.6	none	FM (analog)		—	Mountain Grove, MO
44.1	K0KNC	Mountain Grove K0KNC	444.9500	+5	none	FM (analog)		—	Mountain Grove, MO
45.3	K5HEZ	Grovespring K5HEZ	147.3750	+0.6	TSQL 88.5	FM (analog)		—	Grovespring, MO
46.2	KN0D	Eminence KN0D	145.3100	-0.6	TSQL 100.0	FM (analog)		—	Eminence, MO
47.1	K0NXA	Will MSHP Troop K0NXA AllStar	146.9850	-0.6	TSQL 110.9	FM (analog) (FM,P25)	AllStar 565502 EchoLink 113667	—	Willow Springs, MO
47.1	K0NXA	Will MSHP Troop K0NXA BM	146.6700	-0.6	none	FM (analog) (C4FM,DMR,DV,FM,P25)	BrandMeister 311138	—	Willow Springs, MO
48.2	KC5DGC	Willow Springs KC5DGC	443.9750	+5	none	FM (analog)		—	Willow Springs, MO
49.3	K0LH	Eldridge K0LH	146.7000	-0.6	TONE 88.5	FM (analog)		—	Eldridge, MO
49.5	N0NOE Offline	Owensville N0NOE AllStar	443.6000	+5	TONE 141.3	FM (analog) (DMR,FM)	AllStar 43936 BrandMeister 311067	—	Owensville, MO
49.5	N0NOE	Owensville N0NOE AllStar	442.6500	+5	TONE 141.3	FM (analog)	AllStar 43853	—	Owensville, MO
50.0	K0DCA	Norwood K0DCA	147.1650	+0.6	TONE 162.2	FM (analog) (C4FM,FM)		—	Norwood, MO