N9TPB FCC License Search

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

NT3H HAM

Amateur Extra class licensed since 2023 (3 yrs) NT3H since 2023 · previously KF0MDR Alamosa, CO grid DM77bl eQSL AG 25 repeaters within 50 mi

🔒 Not available — currently licensed, through May 27, 2033. If it isn't renewed, it opens for vanity requests May 28, 2035.

📬 QSL: no LoTW uploads on record · eQSL AG member · QRZ · HamQTH

📝 NT3H has filed vanity applications before — latest filed May 9, 2023 · what was requested

Currently held by John G Reddy · 3 holders on record

Current holder: John G Reddy

Held NT3H May 27, 2023 → present · first licensed Apr 7, 2023 as KF0MDR · 2 licenses · FRN 0033598202

NT3H Active Amateur Extra · vanity May 27, 2023 → expires May 27, 2033

Licensee
John G Reddy

Address
1807 Cielo Pl
Alamosa, CO 81101
37.4663, -105.8852 (street) · Grid DM77bl · CQ 4 · ITU 7 · map ↗

FRN
0033598202

Previous call
KF0MDR (General)

Last granted
May 27, 2023

Effective
May 27, 2023

Last action
May 27, 2023
FCC actions (2)
- May 27, 2023 — Vanity call sign granted VANGRT
- May 27, 2023 — License issued LIISS
KF0MDR Canceled Amateur Extra Apr 7, 2023 → May 27, 2023 (canceled)

Licensee
John G Reddy

Address
1807 Cielo Pl
Alamosa, CO 81101
37.4663, -105.8852 (street) · Grid DM77bl · CQ 4 · ITU 7 · map ↗

FRN
0033598202

Last granted
Apr 7, 2023

Effective
May 8, 2023

Last action
May 27, 2023
FCC actions (4)
- May 27, 2023 — License canceled LICAN
- May 8, 2023 — License modified LIMOD
- Apr 7, 2023 — License issued LIISS
- Apr 7, 2023 — 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 4, 2026 · 24 snapshots · as KF0MDR
John G Reddy
1807 Cielo Pl, Alamosa, CO 81101
37.4663, -105.8852 (street) · Grid DM77bl · CQ 4 · ITU 7 · map ↗

Previous holder: Carl Krauthauser

Held NT3H Apr 15, 2011 → Apr 15, 2021 · first licensed Jun 26, 2006 as KB3NTH · 3 licenses · FRN 0015174592

NT3H Expired Amateur Extra · vanity Apr 15, 2011 → Apr 15, 2021 (expired)

Licensee
Carl Krauthauser

Address
2308 Patwynn Rd
Wilmington, DE 19810
39.8187, -75.5062 (ZIP center) · Grid FM29ft · CQ 5 · ITU 8 · map ↗

FRN
0015174592

Previous call
K3NTH (Technician)

Last granted
Apr 15, 2011

Effective
Apr 15, 2011

Last action
Apr 18, 2023
FCC actions (3)
- Apr 18, 2023 — License expired LIEXP
- Apr 15, 2011 — Vanity call sign granted VANGRT
- Apr 15, 2011 — License issued LIISS
K3NTH Canceled Amateur Extra · vanity May 25, 2007 → Apr 15, 2011 (canceled)

Licensee
Carl Krauthauser

Address
2308 Patwynn Rd
Wilmington, DE 19810
39.8187, -75.5062 (ZIP center) · Grid FM29ft · CQ 5 · ITU 8 · map ↗

FRN
0015174592

Previous call
KB3NTH (Technician)

Last granted
May 25, 2007

Effective
May 25, 2007

Last action
Apr 15, 2011
FCC actions (3)
- Apr 15, 2011 — License canceled LICAN
- May 25, 2007 — Vanity call sign granted VANGRT
- May 25, 2007 — License issued LIISS
KB3NTH Canceled Amateur Extra Jun 26, 2006 → May 25, 2007 (canceled)

Licensee
Carl Krauthauser

Address
2308 Patwynn Rd
Wilmington, DE 19810
39.8187, -75.5062 (ZIP center) · Grid FM29ft · CQ 5 · ITU 8 · map ↗

FRN
0015174592

Last granted
Jun 26, 2006

Effective
Apr 25, 2007

Last action
May 25, 2007
FCC actions (4)
- May 25, 2007 — License canceled LICAN
- Apr 25, 2007 — License modified LIMOD
- Jun 26, 2006 — License issued LIISS
- Jun 26, 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 · 140 snapshots · as KB3NTH
Carl Krauthauser
2308 Patwynn Rd, Wilmington, DE 19810
39.8187, -75.5062 (ZIP center) · Grid FM29ft · CQ 5 · ITU 8 · map ↗

Previous holder: WILLIAM R WIDMAIER

Held NT3H Nov 3, 1992 → Apr 10, 2002 · first licensed Nov 3, 1992 as NT3H · 2 licenses · FRN 0006752406

K3JOP Active Amateur Extra · vanity Apr 10, 2002 → expires Apr 10, 2032

Licensee
WILLIAM R WIDMAIER

Address
6202 KELLOGG DR
MC LEAN, VA 22101
38.9294, -77.1501 (street) · Grid FM18kw · CQ 5 · ITU 8 · map ↗

FRN
0006752406

Previous call
NT3H (Advanced)

Last granted
Feb 8, 2022

Effective
Feb 8, 2022

Last action
Feb 8, 2022
FCC actions (6)
- Feb 8, 2022 — License renewed LIREN
- Mar 5, 2020 — Administrative update LIAUA
- Mar 5, 2020 — Administrative update LIAUA
- Jan 12, 2012 — License renewed LIREN
- Apr 10, 2002 — Vanity call sign granted VANGRT
- Apr 10, 2002 — License issued LIISS
NT3H Canceled Amateur Extra Nov 3, 1992 → Apr 10, 2002 (canceled)

Licensee
WILLIAM R WIDMAIER

Address
6202 KELLOGG DR
MC LEAN, VA 22101
38.9294, -77.1501 (street) · Grid FM18kw · CQ 5 · ITU 8 · map ↗

FRN
0006752406

Previous call
N3GBE (Advanced)

Last granted
Nov 3, 1992

Effective
Nov 3, 1992

Last action
Apr 10, 2002
FCC actions (1)
- Apr 10, 2002 — License canceled LICAN

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Nov 7, 2004 → Oct 4, 2026 · 96 snapshots · as NT3H
WILLIAM R WIDMAIER
6202 KELLOGG DR, MC LEAN, VA 22101
38.9294, -77.1501 (street) · Grid FM18kw · CQ 5 · ITU 8 · map ↗

Vanity applications filed by NT3H

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 May 9, 2023 Granted May 27, 2023 0010536658	KF0MDR · John G Reddy · Amateur Extra 1807 Cielo Pl, Alamosa, CO 81101 37.4663, -105.8852 (street) · Grid DM77bl · CQ 4 · ITU 7 · map ↗	1.NT3H ✓ granted 2.NK2I held 3.NV0J held 4.K3KF held 5.WM3I available	Granted got NT3H
Filed Mar 22, 2002 Granted Feb 8, 2022 0000821482	NT3H · WILLIAM R WIDMAIER · Amateur Extra 6202 KELLOGG DR, MC LEAN, VA 22101 38.9294, -77.1501 (street) · Grid FM18kw · CQ 5 · ITU 8 · map ↗	1.K3JOP ✓ granted	Granted got K3JOP

Others requesting NT3H

21 applications listed NT3H as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 12, 2023	May 30, 2023	AF6VQ · CALEB J HUMBERD · Huntingtown, MD	3	Granted
May 9, 2023	May 27, 2023	KN6SOG · Charles L Lopez · Hemet, CA	9	Granted
May 9, 2023	May 27, 2023	KF0MDR · John G Reddy · Alamosa, CO	1	Granted
May 8, 2023	May 26, 2023	KN6SOG · Charles L Lopez · Hemet, CA	9	Dismissed
Apr 18, 2023	May 6, 2023	KO4KDN · SCOTT A BERGQUIST · FREDERICKSBRG, VA	2	Granted
Apr 17, 2023	May 5, 2023	KQ4BXJ · PATRICK J PATTERSON · LARGO, FL	6	Granted
Mar 28, 2011	Apr 15, 2011	K3NTH · Carl Krauthauser · Wilmington, DE	1	Granted
Mar 23, 2011	Apr 10, 2011	KK4AXH · Cornelis L Jonkers · Louisville, KY	21	Granted
Mar 2, 2011	Mar 20, 2011	KD0MIJ · Heinrich Ringleb · Inver Grove Heights, MN	3	Granted
Dec 14, 2010	Jan 1, 2011	AA3ZW · ERIC E MEYER · WASHINGTON, DC	25	Granted
Nov 4, 2010	Nov 22, 2010	AK4DE · WESLEY A JACOCKS · NORFOLK, VA	4	Granted
Oct 19, 2010	Nov 6, 2010	KB3LTS · William R Geddes · Drums, PA	5	Granted
Sep 24, 2010	Oct 12, 2010	KB3UXB · BRENDEN MCNEIL · WILMINGTON, DE	3	Granted
May 17, 2010	Jun 4, 2010	KB3BSA · James M Boughton · Herndon, VA	3	Granted
Aug 17, 2009	Sep 4, 2009	KI4YIS · Larry P Teer · Birmingham, AL	3	Granted
Feb 19, 2009	Mar 9, 2009	KB3JWK · Richard DeVirgiliis · Oreland, PA	6	Granted
Jun 12, 2008	Jun 30, 2008	AF6JU · Thomas M Hundt · San Francisco, CA	2	Granted
Dec 21, 2007	Jan 8, 2008	KB3PFQ · Mike R Mignone · Noxen, PA	3	Granted
Feb 20, 2007	Mar 10, 2007	KB3NCB · Dayspring School Amateur Radio Club · Wilmington, DE	5	Granted
Oct 13, 2006	Oct 31, 2006	KB3NXF · Tim R Bronson · Pittsburgh, PA	22	Granted
Sep 30, 2004	Oct 18, 2004	KN6IT · JEFFREY L FOSE · SAN DIEGO, CA	20	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for NT3H in the last 24 hours. They show up here within seconds of NT3H beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 miles

25 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
1.1	K0SLV	Alamosa K0SLV AllStar	447.0750	-5	TONE 94.8	FM (analog)	AllStar 428605	—	Alamosa, CO
1.1	K0SLV	Alamosa K0SLV AllStar	447.1500	-5	TONE 94.8	FM (analog)	AllStar 428605	—	Alamosa, CO
14.5	N0HQD	Monte Vista N0HQD	447.9000	-5	TONE 100.0	FM (analog)		—	Monte Vista, CO
15.7	K0SLV	Monte Vista K0SLV AllStar	449.6250	-5	TSQL 94.8	FM (analog)	AllStar 428601 AllStar 55599	—	Monte Vista, CO
16.5	K0SLV Listed as K0SLV/RPT	Monte Vista K0SLV AllStar	146.9400	-0.6	TONE 94.8	FM (analog)	AllStar 428601	—	Monte Vista, CO
18.8	N6JPH	Alamosa N6JPH BM	434.7550	+5	CC1	DMR	BrandMeister 3214915	—	Alamosa, CO
18.8	N6JPH	Blanca N6JPH BM	441.7500	+5	CC1	DMR	BrandMeister 313471	—	Blanca, CO
18.8	N6JPH	Blanca N6JPH BM	446.7500	-5	CC1	DMR	BrandMeister 313471	—	Blanca, CO
20.2	K0SLV	Monte Vista K0SLV AllStar	146.8050	-0.6	TSQL 107.2	FM (analog)	AllStar 513430	—	Monte Vista, CO
20.5	N0LAK	Blanca N0LAK BM	449.2000	-5	CC5	DMR	BrandMeister 313387	—	Blanca, CO
23.3	N0KM Listed as N0KM/RPT	Center N0KM AllStar	447.1000	-5	TONE 77.0	FM (analog)	AllStar 428603	—	Center, CO
23.3	N0KM	Center N0KM AllStar	146.6400	-0.6	TSQL 77.0	FM (analog)	AllStar 428602	—	Center, CO
39.3	N2SKY	Walsenburg La N2SKY AllStar	447.0500	-5	TSQL 103.5	FM (analog)	AllStar 46079 AllStar 485328 🗓 1 net	1 net	Walsenburg, CO
42.5	KF5PFO	Tres Piedras San KF5PFO BM	146.7800	-0.6	CC5	DMR	BrandMeister 312251	—	Tres Piedras, NM
42.6	KF5PFO	Tres Piedras San KF5PFO	442.0750	+5	none	FM (analog) (DV,FM)		—	Tres Piedras, NM
42.6	WA5IHL	Tres Piedras San WA5IHL	449.9000	-5	TSQL 100.0	FM (analog)		—	Tres Piedras, NM
43.1	W7FED	Tres Piedras San W7FED AllStar	442.8750	+5	TSQL 131.8	FM (analog)	AllStar 274221	—	Tres Piedras, NM
43.4	W0ECV	Portable W0ECV AllStar	446.2250	simplex	TONE 100.0	FM (analog)	AllStar 510147	—	Portable, CO
43.4	W0ECV	Cuchara W0ECV AllStar	446.0250	simplex	TONE 100.0	FM (analog)	AllStar 510146	—	Cuchara, CO
43.4	W0ECV	Cuchara W0ECV AllStar	445.4450	simplex	TONE 100.0	FM (analog)	AllStar 510143	—	Cuchara, CO
43.8	N0LAK	South Fork N0LAK BM	449.6000	-5	CC5	DMR	BrandMeister 314170	—	South Fork, CO
44.1	N0SDC	Westcliffe Wet N0SDC	147.2100	+0.6	TONE 100.0	FM (analog)		—	Westcliffe, CO
48.1	N0ZSN	La Veta Cordova N0ZSN	449.7500	-5	TSQL 100.0	FM (analog)		—	La Veta, CO
13.7	N0LAK offline	Blanca N0LAK	449.2500	-5	CC?	DMR		—	Blanca, CO
41.3	N0LAK offline	South Fork N0LAK	446.9875	-5	CC?	DMR		—	South Fork, CO