N9TPB FCC License Search

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

AB1AU HAM 📻 GMRS

📻

Also a GMRS licensee

WSFL412

Active until Oct 25, 2034 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

Amateur Extra class licensed since 2001 (25 yrs) AB1AU since 2002 · previously KB1IEM, KB1HGB Waterville, ME grid FN54en LoTW user eQSL AG GMRS WSFL412 on APRS 4 min ago 123 repeaters within 50 mi

🔒 Not available — currently licensed, through Sep 19, 2032. If it isn't renewed, it opens for vanity requests Sep 20, 2034.

📬 QSL: LoTW user · last upload Mar 14, 2026 · eQSL AG member · QRZ · HamQTH

Currently held by Robert W Karns · 1 holder on record

Current holder: Robert W Karns

Held AB1AU May 14, 2002 → present · first licensed Oct 2, 2001 as KB1HGB · 3 licenses · FRN 0005208129

📦 Moved: Boothbay Harbor, ME → Waterville, ME

AB1AU Active Amateur Extra May 14, 2002 → expires Sep 19, 2032

Licensee
Robert W Karns

Address
79 North St
Waterville, ME 04901
44.5578, -69.6393 (street) · Grid FN54en · CQ 5 · ITU 8 · map ↗

FRN
0005208129

Previous call
KB1IEM (General)

Last granted
Oct 17, 2023

Effective
Oct 17, 2023

Last action
Oct 17, 2023
FCC actions (4)
- Oct 17, 2023 — License renewed LIREN
- Sep 19, 2012 — License renewed LIREN
- May 14, 2002 — Systematic call sign granted SYSGRT
- May 14, 2002 — License issued LIISS
KB1IEM Canceled Amateur Extra Oct 2, 2001 → May 14, 2002 (canceled)

Licensee
Robert W Karns

Address
PO Box 667
Boothbay Harbor, ME 04538
43.8475, -69.6296 (ZIP center) · Grid FN53eu · CQ 5 · ITU 8 · map ↗

FRN
0005208129

Previous call
KB1HGB (General)

Last granted
Oct 2, 2001

Effective
Apr 10, 2002

Last action
May 14, 2002
FCC actions (3)
- May 14, 2002 — License canceled LICAN
- Apr 10, 2002 — Systematic call sign granted SYSGRT
- Apr 10, 2002 — License issued LIISS
KB1HGB Canceled General Oct 2, 2001 → Apr 10, 2002 (canceled)

Licensee
Robert W Karns

Address
PO Box 667
Boothbay Harbor, ME 04538
43.8475, -69.6296 (ZIP center) · Grid FN53eu · CQ 5 · ITU 8 · map ↗

FRN
0005208129

Last granted
Oct 2, 2001

Effective
Oct 2, 2001

Last action
Apr 10, 2002
FCC actions (2)
- Apr 10, 2002 — License canceled LICAN
- Oct 2, 2001 — License issued LIISS

Address history

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

Seen Feb 18, 2013 → Oct 4, 2026 · 42 snapshots · as AB1AU
Robert W Karns
79 North St, Waterville, ME 04901
44.5578, -69.6393 (street) · Grid FN54en · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 102 snapshots · as KB1HGB
Robert W Karns
PO Box 667
Boothbay Harbor, ME 04538
43.8475, -69.6296 (ZIP center) · Grid FN53eu · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

📍 APRS

AB1AU · 4 min ago · 2 mph

44.5578, -69.6393 · AmbientCWOP.com

Full history on aprs.fi →

📥 Hearing others PSK Reporter

Heard 3311 stations (12353 reports) · last 2 min ago · FT8 · grid FN54EN

80m · 54940m · 125030m · 42820m · 115417m · 42515m · 46712m · 1610m · 49

Farthest: VK5PJ, 10,772 miles on 40m FT8 (-19 dB)

PSK Reporter map →

📻 GMRS repeaters within 50 miles

13 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
25	RP18	462.625	77.0	WRQJ805	Dixmont, ME · Peaked Mountain	Open	On the air
34	RP21	462.700	77.0	WRQJ805	Camden, ME · Ragged Mtn	Open	On the air
37	RP20	462.675	77.0	WRQK331	Frankfort, ME · Mt Waldo	Open	On the air
42	RP20	462.675	141.3	WRKU839	Verona Island, ME	Open	On the air
46	RP17	462.600	123.0	WQZI552	Saint George, ME	Open	On the air
46	RP17	462.600	77.0	WQPY804	Charleston, ME · Bull Hill	Open	On the air
47	RP17	462.600	100.0	WRQW297	Orland, ME · Front Ridge	Open	On the air
49	RP22	462.725	156.7	WRQU806	Portland, ME	Open	On the air
49	RP16	462.575	179.9	WRQU806	Gray, ME	Open	On the air
49	RP20	462.675	156.7	WRQU806	Woodstock, ME · Spruce Mtn	Open	On the air
49	RP16	462.575	179.9	WRQU806	Dresden, ME · Blinn Hill	Open	On the air
49	RP21	462.700	114.8	WRQU806	Brunswick, ME · Oak Hill	Open	On the air
49	RP15	462.550	77.0	WRQU806	Presque Isle, ME	Open	On the air

Repeaters within 50 miles

123 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
0.0	AB1AU	Waterville AB1AU BM	439.8250	-5	CC7	DMR	BrandMeister 320453601	—	Waterville, ME
0.5	KD1MM	Waterville KD1MM IRLP	146.7600	-0.6	TONE 103.5	FM (analog)	IRLP EchoLink	—	Waterville, ME
0.5	KQ1L	Waterville KQ1L	146.9250	-0.6	TONE 100.0	FM (analog) (DMR,FM)		—	Waterville, ME
1.1	W1SSF	Winslow W1SSF	146.7600	-0.6	TONE 103.5	FM (analog)		—	Winslow, ME
1.4	W1BKW	Waterville W1BKW NEDECN	146.9250	-0.6	CC12	DMR	NEDECN	—	Waterville, ME
9.2	KC1FRJ	Sidney KC1FRJ NEDECN	145.2400	-0.6	CC12	DMR	NEDECN	—	Sidney, ME
10.8	N1UB	Vassalboro Quake N1UB WIRES-X	146.6250	-0.6		Fusion (C4FM)	WIRES-X 62148	—	Vassalboro, ME
12.4	W1PIG	Belgrade Lakes W1PIG	449.2750	-5	TONE 88.5	FM (analog)		—	Belgrade Lakes, ME
13.2	W1PIG	Palermo W1PIG	145.2700	-0.6	TONE 100.0	FM (analog)		—	Palermo, ME
14.2	K1XI	Palermo Marden K1XI	145.2700	-0.6	TSQL 100.0	FM (analog)		—	Palermo, ME
17.2	N1VKQ	Augusta Sand Hl N1VKQ WIRES-X	146.6700	-0.6	TONE 100.0	FM (analog) (C4FM,FM)	WIRES-X 62148	—	Augusta, ME
17.9	K1YFY	Augusta K1YFY	224.7200	-1.6	TONE 103.5	FM (analog)		—	Augusta, ME
17.9	KA1SHU	Augusta KA1SHU AllStar	146.9550	-0.6	TONE 100.0	FM (analog)	AllStar 49398	—	Augusta, ME
18.4	N1VKQ	Augusta N1VKQ AllStar	449.8750	-5	TONE 103.5	FM (analog)	AllStar 623611	—	Augusta, ME
18.4	KC1HBL	Augusta KC1HBL AllStar	146.9550	-0.6	TSQL 100.0	FM (analog)	AllStar 49398	—	Augusta, ME
18.4	KQ1L	Augusta KQ1L	145.1700	-0.6	CC?	DMR		—	Augusta, ME
18.4	KQ1L	Augusta KQ1L	146.6700	-0.6	TONE 100.0	FM (analog)		—	Augusta, ME
18.4	KQ1L	Augusta KQ1L	224.7200	-1.6	TONE 103.5	FM (analog)		—	Augusta, ME
19.3	N1UGR	New Sharon N1UGR	147.3750	+0.6	TONE 131.8	FM (analog)		—	New Sharon, ME
19.7	W1QP	Chelsea W1QP BM	438.0250	-5	CC1	DMR	BrandMeister 3123418	—	Chelsea, ME
20.1	KA1C	Madison Blackwel KA1C	146.7300	-0.6	TSQL 91.5	FM (analog)		—	Madison, ME
20.3	KA1C	Madison KA1C	449.6250	-5	TSQL 91.5	FM (analog)		—	Madison, ME
20.7	W1FDC	Belgrade Lakes W1FDC EchoLink	449.2750	-5	TONE 88.5	FM (analog)	EchoLink 15061	—	Belgrade Lakes, ME
21.8	W1EMA	Knox Aborn Hl W1EMA NEDECN	145.4200	-0.6	CC12	DMR	NEDECN	—	Knox, ME
21.8	W1EMA	Knox Aborn Hl W1EMA	147.2700	+0.6	TSQL 136.5	FM (analog)		—	Knox, ME
21.8	KD1KE	Knox Aborn Hl KD1KE	443.5000	+5	TSQL 103.5	FM (analog)		—	Knox, ME
23.8	KC1CG	Washington KC1CG	224.2800	-1.6	TONE 91.5	FM (analog)		—	Washington, ME
23.8	KC1CG	Washington KC1CG	53.5500	-1	TONE 91.5	FM (analog)		—	Washington, ME
24.4	N1STN	Morrill Rowe Hl N1STN WIRES-X	146.7150	-0.6	TSQL 118.8	FM (analog) (C4FM,FM)	WIRES-X 62148	—	Morrill, ME
24.7	N1YMM	Plymouth N1YMM WIRES-X	447.0000	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 72734	—	Plymouth, ME
24.9	KQ1L	Dixmont KQ1L	146.8500	-0.6	TONE 100.0	FM (analog)		—	Dixmont, ME
24.9	KA1KWH	Dixmont KA1KWH	224.9800	-1.6	TONE 103.5	FM (analog)		—	Dixmont, ME
24.9	KC1DLN	Dixmont Peaked KC1DLN WIRES-X	147.0150	+0.6	DCS 432	FM (analog) (C4FM,FM)	WIRES-X 62148	—	Dixmont, ME
25.6	K1YMM	Plymouth K1YMM	442.5000	+5	TONE 141.3	FM (analog) (FM,C4FM)		—	Plymouth, ME
25.6	KC1AJR	Plymouth KC1AJR AllStar	147.0750	+0.6	TSQL 77.0	FM (analog)	AllStar 62859	—	Plymouth, ME
25.6	N1YMM	Plymouth N1YMM WIRES-X	442.0000	+5	DCS 432	FM (analog) (C4FM,FM)	WIRES-X 82734	—	Plymouth, ME
25.8	W1PIG	Farmington Moshe W1PIG	145.3900	-0.6	TSQL 100.0	FM (analog)		—	Farmington, ME
25.8	W1BHR	Farmington Moshe W1BHR EchoLink	147.1800	+0.6	TSQL 123.0	FM (analog)	EchoLink 698006	—	Farmington, ME
26.4	W1BHR	Farmington W1BHR NEDECN	442.4000	+5	none	FM (analog) (DMR,FM)	NEDECN	—	Farmington, ME
28.0	KB1RAI	Gardiner Libby KB1RAI	147.2550	+0.6	TSQL 114.8	FM (analog)		—	Gardiner, ME
28.3	N1UB	Athens Stickney N1UB WIRES-X	146.7750	-0.6		Fusion (C4FM)	WIRES-X 62148	—	Athens, ME
28.7	KD2EGJ	Jay KD2EGJ BM	439.0000	-5	CC1	DMR	BrandMeister 3173270	—	Jay, ME
29.9	W1NPP	Livermore W1NPP	146.8950	-0.6	TONE 103.5	FM (analog) (C4FM,FM)		—	Livermore, ME
30.1	WA1ZDA	Hope Hatchet Mtn WA1ZDA	147.2400	+0.6	TSQL 110.9	FM (analog)		—	Hope, ME
30.2	K1AAM	Litchfield K1AAM	53.0500	-1	TONE 136.5	FM (analog)		—	Litchfield, ME
30.2	W1BKW	Litchfield W1BKW	147.3750	+0.6		Fusion (C4FM)		—	Litchfield, ME
30.7	W1PBR	Hope Hatchet Mtn W1PBR	147.0600	+0.6	TONE 91.5	FM (analog)		—	Hope, ME
31.2	WA1ZDA	Hope WA1ZDA	224.0000	-1.6	TONE 110.9	FM (analog)		—	Hope, ME
31.2	K1EHO	Hope Hatchet Mtn K1EHO	449.5250	-5	TSQL 110.9	FM (analog)		—	Hope, ME
31.5	N1ITR	Litchfield N1ITR	146.7000	-0.6	CC12	DMR		—	Litchfield, ME
31.7	W1BKW	Litchfield W1BKW	444.5000	+5		Fusion (C4FM)		—	Litchfield, ME
32.6	KA1ZGC	Newburgh KA1ZGC AllStar	442.2500	+5	none	FM (analog)	AllStar 46964	—	Newburgh, ME
32.7	K1LX	Newcastle K1LX	146.9850	-0.6	TSQL 136.5	FM (analog)		—	Newcastle, ME
32.7	KB1UAS	Corinna KB1UAS EchoLink	224.8400	-1.6	TSQL 103.5	FM (analog)	EchoLink 625971	—	Corinna, ME
33.9	KB1WHA	Searsport KB1WHA BM	439.4375	in 430.4375	CC1	DMR	BrandMeister 319716002	—	Searsport, ME
33.9	W1AUX	Nobleboro W1AUX	224.3200	-1.6	TONE 103.5	FM (analog)		—	Nobleboro, ME
34.0	N1STN	Camden Ragged N1STN WIRES-X	146.8200	-0.6	TSQL 100.0	FM (analog) (C4FM,FM)	WIRES-X 62148	—	Camden, ME
34.5	N1PS	Waldoboro N1PS	224.7800	-1.6	TONE 107.2	FM (analog)		—	Waldoboro, ME
34.9	W1PIG	Wales Oak Hl W1PIG	145.2900	-0.6	TSQL 100.0	FM (analog)		—	Wales, ME
35.4	KC1FRJ	Carmel KC1FRJ	147.0900	+0.6	TSQL 82.5	FM (analog) (DMR,FM)		—	Carmel, ME
36.7	KB1UAS	Dexter KB1UAS NEDECN	145.2200	-0.6	none	FM (analog) (DMR,FM)	NEDECN	—	Dexter, ME
36.7	W1NPP	Greene W1NPP	443.3000	+5	none	FM (analog) (DV,FM)		—	Greene, ME
36.9	KC1FRJ	Camden KC1FRJ NEDECN	145.3700	-0.6	CC12	DMR	NEDECN	—	Camden, ME
36.9	N1DOT	Turner N1DOT IRLP	147.4300	simplex	TONE 100.0	FM (analog)	IRLP 8812	—	Turner, ME
36.9	KB1VFA	Turner KB1VFA	147.4300	simplex	none	D-STAR		—	Turner, ME
36.9	N1GNN	Exeter N1GNN	449.7250	-5	TONE 103.5	FM (analog)		—	Exeter, ME
37.1	KQ1L	Camden KQ1L	146.8200	-0.6	TONE 100.0	FM (analog)		—	Camden, ME
37.2	K1XI	Camden Ragged K1XI	145.3700	-0.6	none	FM (analog) (DMR,FM)		—	Camden, ME
37.5	AA1PN	Exeter AA1PN	146.9700	-0.6	TONE 100.0	FM (analog)		—	Exeter, ME
37.7	AA1PN	Exeter AA1PN	224.2400	-1.6	TONE 103.5	FM (analog)		—	Exeter, ME
37.8	KN0O	Rockport KN0O BM	439.7000	-5	CC1	DMR	BrandMeister 320534101	—	Rockport, ME
37.9	W1BKW	Peru W1BKW BM	438.5500	-5	CC1	DMR	BrandMeister 317802204	—	Peru, ME
37.9	W1BKW	Peru W1BKW NEDECN	145.1900	-0.6	CC13	DMR	NEDECN	—	Peru, ME
38.3	N1DOT	Turner N1DOT AllStar	442.7000	+5	CC1	DMR	BrandMeister 312315 AllStar 41644	—	Turner, ME
39.5	W1RKD	Rockland W1RKD AllStar	147.0600	+0.6	TONE 91.5	FM (analog)	AllStar 521771	—	Rockland, ME
39.6	W1DLO	Levant Pember W1DLO	147.3600	+0.6	TSQL 77.0	FM (analog) (C4FM,FM)		—	Levant, ME
40.3	W1RKD	Rockland W1RKD AllStar	444.7500	+5	TONE 127.3	FM (analog)	AllStar 521774	—	Rockland, ME
40.3	K1YFY	Buckfield K1YFY	145.3200	-0.6	CC?	DMR		—	Buckfield, ME
40.3	KQ1L	Buckfield KQ1L	146.8800	-0.6	TSQL 100.0	FM (analog)		—	Buckfield, ME
40.3	W1BKW	Buckfield Streak W1BKW NEDECN	145.3200	-0.6	CC12	DMR	NEDECN	—	Buckfield, ME
40.3	KC1SBG	Buckfield KC1SBG	444.3500	+5	TSQL 100.0	D-STAR		—	Buckfield, ME
40.9	WA1ZDA	Rockland WA1ZDA	449.9750	-5	TONE 110.9	FM (analog)		—	Rockland, ME
41.5	W1GEE	Hampden W1GEE	147.3000	+0.6	TONE 100.0	FM (analog)		—	Hampden, ME
43.2	KC1HBL	Auburn KC1HBL AllStar	146.7900	-0.6	TSQL 100.0	FM (analog)	AllStar 48950 EchoLink 798845	—	Auburn, ME
43.2	KC1HBL	Auburn KC1HBL	147.1350	+0.6	TSQL 103.5	FM (analog)		—	Auburn, ME
44.1	N1UB	Buckfield Streak N1UB	146.8800	-0.6	TSQL 100.0	FM (analog) (C4FM,FM)		—	Buckfield, ME
44.4	N1XBM	Bath N1XBM Motorola	449.7750	-5	CC1	DMR	Motorola BrandMeister 312318	—	Bath, ME
44.9	W1BKW	Rumford Black W1BKW WIRES-X	145.1700	-0.6	none	FM (analog) (C4FM,FM)	WIRES-X 1	—	Rumford, ME
44.9	N1BBK	Rumford N1BBK	146.9100	-0.6	TONE 100.0	FM (analog)		—	Rumford, ME
45.3	W1IF	Hebron W1IF	224.6200	-1.6	TONE 103.5	FM (analog)		—	Hebron, ME
45.4	NG1P	Topsham NG1P	147.5700	simplex	none	FM (analog) (C4FM,FM)		—	Topsham, ME
46.6	N1IPA	Topsham N1IPA NEDECN	145.1900	-0.6	CC13	DMR	NEDECN	—	Topsham, ME
47.3	N1OIG	Brunswick N1OIG	444.6500	+5	TONE 100.0	FM (analog)		—	Brunswick, ME
47.3	KS1R	Topsham KS1R WIRES-X	444.4000	+5	TSQL 88.5	FM (analog) (C4FM,FM)	WIRES-X 33417	—	Topsham, ME
47.3	N1OIG	Brunswick Oak Hl N1OIG	147.1050	+0.6	TONE 88.5	FM (analog)		—	Brunswick, ME
47.7	N1ME	Holden Copeland N1ME NEDECN	145.3100	-0.6	CC10	DMR	NEDECN	—	Holden, ME
48.0	KE1M	Rumford Black KE1M	146.9100	-0.6	TONE 100.0	FM (analog)		—	Rumford, ME
48.0	WZ1J	Brunswick WZ1J	147.1350	+0.6	TONE 103.5	FM (analog)		—	Brunswick, ME
48.0	K1MNW	Brunswick K1MNW	1284.0000	-12	TONE 88.5	FM (analog)		—	Brunswick, ME
48.9	N1ME	Holden Riders N1ME	444.4000	+5	TSQL 88.5	FM (analog)		—	Holden, ME
49.0	W1FCA	Kibby W1FCA NEDECN	145.1200	-0.6	CC11	DMR	NEDECN 🗓 1 net	1 net	Kibby, ME
49.0	W1BHR	New Sharon W1BHR NEDECN	145.1400	-0.6	CC11	DMR	NEDECN	—	New Sharon, ME
49.1	KC1FRJ	Dedham Bald Mtn KC1FRJ WIRES-X	146.8050	-0.6	TSQL 82.5	FM (analog) (C4FM,FM)	WIRES-X 62148	—	Dedham, ME
49.1	KC1FRJ	Dedham Bald Mtn KC1FRJ	224.9000	-1.6	TONE 103.5	FM (analog)		—	Dedham, ME
49.1	KC1FRJ	Dedham Bald Mtn KC1FRJ	444.0000	+5	TSQL 100.0	FM (analog) (DMR,FM)		—	Dedham, ME
49.2	N1ME	Holden Riders N1ME	146.9400	-0.6	TONE 103.5	FM (analog)		—	Holden, ME
49.4	W1IMD	Woodstock W1IMD	449.0250	-5	TONE 82.5	FM (analog)		—	Woodstock, ME
49.8	K1XI	Rangeley Saddleb K1XI	145.2000	-0.6	CC?	DMR		—	Rangeley Saddleback Mtn, ME
14.9	W1LO offline	Skowhegan W1LO	446.3250	-5	TONE 203.5	FM (analog)		—	Skowhegan, ME
14.9	KA1ZGC offline	Skowhegan KA1ZGC	147.3450	+0.6	none	FM (analog)		—	Skowhegan, ME
18.4	KC1FRJ offline	Augusta KC1FRJ	145.1700	-0.6	CC0	DMR		—	Augusta, ME
18.4	KQ1L offline	Augusta KQ1L	146.7900	-0.6	TONE 156.7	FM (analog)		—	Augusta, ME
20.7	W1PIG offline	Kents Hill W1PIG	147.0000	+0.6	TONE 100.0	FM (analog)		—	Kents Hill, ME
20.7	W1PIG offline	Kents Hill W1PIG	443.2000	+5	TONE 88.5	FM (analog)		—	Kents Hill, ME
24.9	KC1FRJ offline	Dixmont KC1FRJ	444.2000	+5	TONE 100.0	FM (analog)		—	Dixmont, ME
27.6	W1BHR offline	Livermore Falls W1BHR	147.2250	+0.6	TONE 123.0	FM (analog)		—	Livermore Falls, ME
33.7	W1EMA offline	Knox W1EMA	444.3000	+5	none	D-STAR		—	Knox, ME
34.5	K1NYY offline	Waldoboro K1NYY	147.3900	+0.6	TONE 179.9	FM (analog)		—	Waldoboro, ME
37.9	W1BKW offline	Harrison W1BKW BM	433.5500	+5	CC1	DMR	BrandMeister 313524	—	Harrison, ME
38.3	N1DOT offline	Turner N1DOT IRLP	146.4300	simplex	TSQL 67.0	FM (analog)	IRLP 8812	—	Turner, ME
39.7	W1DLO offline	Hermon W1DLO	147.1200	+0.6	none	FM (analog)		—	Hermon, ME
42.6	W1NPP offline	Lewiston Applesa W1NPP	146.6100	-0.6	TSQL 88.5	FM (analog) (C4FM,FM)		—	Lewiston, ME
48.5	K0LDO offline	Brunswick Woodwa K0LDO EchoLink	147.3300	+0.6	TSQL 100.0	FM (analog) (C4FM,FM)	EchoLink 761109 WIRES-X 21674	—	Brunswick, ME