N9TPB FCC License Search

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

Gerard F Duffin

FRN 0001869577 · first licensed Oct 23, 1998 as KI6PT · 3 licenses on record

📝 FCC applications (7)

Received	File number	Service	Purpose	Status	Call
Apr 30, 2010	0004231328	HAM	Renewal	Granted	K3GD
Jun 19, 2000	0000168481	HAM	Administrative update	Granted	K3GD
May 31, 2000	0000147765	HAM	Renewal + modification	Dismissed	K3GD
May 2, 2000	0000121858	HAM	Modification	Granted	AD6LQ
May 2, 2000	0000121856	HAM	Withdrawal	Withdrawn	AD6LQ
May 2, 2000	0000120150	HAM	Withdrawal	Withdrawn	AD6LQ
Apr 25, 2000	0000116739	HAM	Modification	Granted	KI6PT

Complete licensing history

📦 Moved: San Diego, CA → Magalia, CA

K3GD Expired Amateur Extra · vanity May 20, 2000 → May 20, 2020 (expired)

Licensee
Gerard F Duffin

Address
PO Box 1402
6241 Brevard Circle
Magalia, CA 95954
39.8542, -121.5779 (ZIP center) · Grid CM99fu · CQ 3 · ITU 6 · map ↗

FRN
0001869577

Previous call
AD6LQ (Advanced)

Last granted
May 1, 2010

Effective
May 1, 2010

Last action
May 21, 2022
FCC actions (4)
- May 21, 2022 — License expired LIEXP
- May 1, 2010 — License renewed LIREN
- Jun 20, 2000 — Administrative update LIAUA
- May 20, 2000 — License issued LIISS
AD6LQ Canceled Amateur Extra Oct 23, 1998 → May 20, 2000 (canceled)

Licensee
Gerard F Duffin

Address
PO Box 261551
San Diego, CA 92196

FRN
0001869577

Previous call
KI6PT (Advanced)

Last granted
Oct 23, 1998

Effective
Apr 26, 2000

Last action
May 20, 2000
FCC actions (2)
- May 20, 2000 — License canceled LICAN
- Apr 26, 2000 — License issued LIISS
KI6PT Canceled Advanced Oct 23, 1998 → Apr 26, 2000 (canceled)

Licensee
GERARD F DUFFIN

Address
PO Box 261551
SAN DIEGO, CA 92196

FRN
0001869577

Last granted
Oct 23, 1998

Effective
Oct 23, 1998

Last action
Apr 26, 2000
FCC actions (1)
- Apr 26, 2000 — License canceled LICAN

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 · 47 snapshots · as K3GD
Gerard F Duffin
PO Box 1402
6241 Brevard Circle, Magalia, CA 95954
39.8542, -121.5779 (ZIP center) · Grid CM99fu · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 96 snapshots · as KI6PT
GERARD F DUFFIN
PO Box 261551
SAN DIEGO, CA 92196
Seen Nov 7, 2004 · 1 snapshot · as K3GD
Gerard F Duffin
PO Box 503794
San Diego, CA 92150-3794

Repeaters within 50 miles

83 repeaters within 50 miles of this ZIP code, 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 · 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
1.1	KB6FEC	Magalia KB6FEC NorCal-AR	147.1500	+0.6	CC1	DMR	BrandMeister 310626 NorCal-AREA	—	Magalia, CA
2.9	KC6USM	Magalia KC6USM	51.9400	-0.5	TONE 114.8	FM (analog)		—	Magalia, CA
3.3	W6PAR	Magalia W6PAR EchoLink	145.3700	-0.6	TSQL 131.8	FM (analog) (C4FM,FM)	EchoLink 234739 WIRES-X 92322 🗓 1 net	1 net · 19 check-ins · 19 stations	Magalia, CA
6.6	N6YCK	Chico Platte Mtn N6YCK BM	147.9750	-0.6	TONE 110.9	FM (analog) (DMR,FM)	BrandMeister 312952	—	Chico, CA
6.9	KE6IIV	Paradise KE6IIV	1287.1000	-12	TONE 88.5	FM (analog)		—	Paradise, CA
7.9	W6PAR	Paradise Town W6PAR EchoLink	146.6700	-0.6	TSQL 131.8	FM (analog) (C4FM,FM)	EchoLink 234739 WIRES-X 92322 🗓 1 net	1 net · 19 check-ins · 19 stations	Paradise, CA
9.5	KH8AF	Cohasset KH8AF	444.1250	+5	none	FM (analog)		—	Cohasset, CA
9.5	N6YCK	Cohasset N6YCK	224.3600	-1.6	TONE 110.9	FM (analog)		—	Cohasset, CA
14.3	KI6ND	Chico KI6ND BM	440.4000	+5	CC1	DMR	BrandMeister 310769	—	Chico, CA
14.3	K6CHO	Chico K6CHO	1286.5250	-12	none	D-STAR		—	Chico, CA
14.7	K6FHL	High Lakes Sprin K6FHL	146.7000	-0.6	TSQL 110.9	FM (analog)		—	High Lakes, CA
15.2	W6SCR	Chico Bloomer Hl W6SCR	145.2900	-0.6	TSQL 110.9	FM (analog)		—	Chico, CA
16.0	KI6ND	Chico KI6ND	146.7300	-0.6	TONE 110.9	FM (analog)		—	Chico, CA
16.2	W6RHC	Chico W6RHC AllStar	146.8500	-0.6	TONE 110.9	FM (analog)	EchoLink 322788 IRLP 8170 AllStar 57364 🗓 1 net	1 net · 19 check-ins · 19 stations	Chico, CA
16.2	W6ECE	Chico W6ECE IRLP	146.9400	-0.6	TONE 123.0	FM (analog)	IRLP 9873	—	Chico, CA
16.2	K6NP	Chico K6NP	147.3000	+0.6	TONE 141.3	FM (analog)		—	Chico, CA
16.2	AF6OA	Chico AF6OA	440.5000	+5	none	FM (analog)	🗓 1 net	1 net	Chico, CA
16.2	W6RHC	Chico W6RHC AllStar	440.6500	+5	TONE 110.9	FM (analog)	AllStar 56934 🗓 1 net	1 net · 19 check-ins · 19 stations	Chico, CA
16.2	W6ECE	Chico W6ECE	442.3750	+5	TONE 100.0	FM (analog)		—	Chico, CA
16.2	KE6ADC	Chico KE6ADC	444.4000	+5	TONE 136.5	FM (analog)		—	Chico, CA
16.2	WB6RHC	Chico WB6RHC	440.5500	+5	TONE 103.5	FM (analog)		—	Chico, CA
16.2	N6EJX	Chico N6EJX	440.6750	+5	TONE 100.0	FM (analog)		—	Chico, CA
16.2	WB6RHC	Chico WB6RHC	441.4000	+5	TONE 110.9	FM (analog)		—	Chico, CA
16.3	KI6ND	Chico KI6ND	145.4900	-0.6	TONE 110.9	FM (analog)		—	Chico, CA
16.3	KI6ND	Chico KI6ND	224.6200	-1.6	TONE 88.5	FM (analog)		—	Chico, CA
16.3	no call listed	Chico California	223.9600	-1.6	none	FM (analog)		—	Chico, CA
16.3	WA6UHF	Chico WA6UHF	224.2800	-1.6	TONE 110.9	FM (analog)		—	Chico, CA
16.3	K6JSI	Chico K6JSI AllStar	224.4400	-1.6	TONE 100.0	FM (analog)	AllStar 2596	—	Chico, CA
16.3	KI6ND	Chico KI6ND	52.6600	-0.5	TONE 107.2	FM (analog)		—	Chico, CA
16.3	AF6OA	Chico AF6OA	145.1700	-0.6	TONE 110.9	FM (analog)	🗓 1 net	1 net	Chico, CA
16.3	K6JSI	Chico K6JSI WIN	147.3300	+0.6	TONE 123.0	FM (analog)	WIN	—	Chico, CA
16.3	AF6OA	Chico AF6OA	223.9600	-1.6	none	FM (analog)	🗓 1 net	1 net	Chico, CA
16.3	AF6OA	Chico AF6OA	224.2800	-1.6	TONE 110.9	FM (analog)	🗓 1 net	1 net	Chico, CA
16.3	W6CBS	Chico W6CBS	441.2250	+5	none	FM (analog)		—	Chico, CA
16.3	N6ICW	Chico N6ICW	146.9400	-0.6	TONE 123.0	FM (analog)		—	Chico, CA
16.3	K6CHO	Chico K6CHO	146.8950	-0.6	TONE 110.9	FM (analog) (DV,FM)		—	Chico, CA
17.1	WA7SPY	Chico WA7SPY AllStar	146.8500	simplex	TONE 110.9	FM (analog)	AllStar 45308	—	Chico, CA
21.1	KI6ND	Chico KI6ND	927.0750	-25	TSQL 88.5	FM (analog)		—	Chico, CA
23.5	AF6OA	Oroville AF6OA	442.3500	+5	TONE 110.9	FM (analog)	🗓 1 net	1 net	Oroville, CA
23.5	W6SCR	Oroville W6SCR	440.9000	+5	TONE 110.9	FM (analog)		—	Oroville, CA
23.5	W6AF	Oroville W6AF	146.6550	-0.6	TONE 136.5	FM (analog)		—	Oroville, CA
23.5	WA6CAL	Oroville Dtwn WA6CAL IRLP	442.1750	+5	TONE 123.0	FM (analog)	EchoLink 389063 IRLP 4311	—	Oroville, CA
23.5	AF6OA	Oroville AF6OA	224.9400	-1.6	TONE 110.9	FM (analog)	🗓 1 net	1 net	Oroville, CA
30.0	KI6PNB	Los Molinos KI6PNB	145.3900	-0.6	TONE 110.9	FM (analog)		—	Los Molinos, CA
32.3	NC9RS	Corning NC9RS AllStar	927.6375	-25	TONE 123.0	FM (analog)	AllStar 27455 EchoLink 487039	—	Corning, CA
33.3	K6FEJ	Chester Lk K6FEJ	147.7350	-0.6	TONE 123.0	FM (analog)		—	Chester, CA
33.6	W6GRC	Orland W6GRC BM	144.9875	in 147.4875	CC2	DMR	BrandMeister 310889	—	Orland, CA
33.9	W7OWC	Quincy W7OWC	147.8250	-0.6	TONE 123.0	FM (analog)		—	Quincy, CA
33.9	W7OWC	Quincy W7OWC	444.7000	+5	TONE 123.0	FM (analog)		—	Quincy, CA
33.9	W7OWC	Quincy W7OWC	51.9000	-0.5	TONE 103.5	FM (analog)		—	Quincy, CA
33.9	AF6AP	Quincy AF6AP	147.9450	-0.6	TONE 123.0	FM (analog)		—	Quincy, CA
34.0	W6RCA	Quincy W6RCA	441.6250	+5	TONE 100.0	FM (analog)		—	Quincy, CA
34.0	KF6CCP	Quincy KF6CCP	442.7750	+5	TONE 103.5	FM (analog)		—	Quincy, CA
34.0	WB6IAG	Gridley WB6IAG AllStar	446.1250	simplex	TONE 88.5	FM (analog)	AllStar 48732	—	Gridley, CA
34.4	WB6IAG	Gridley WB6IAG AllStar	147.3300	+0.6	TONE 123.0	FM (analog)	AllStar 2560 🗓 2 nets	2 nets	Gridley, CA
34.9	N6TZG	Mineral N6TZG	440.9750	+5	TONE 100.0	FM (analog)		—	Mineral, CA
36.2	K6PLU	Chester K6PLU	145.3700	-0.6	TONE 123.0	FM (analog)		—	Chester, CA
36.2	K5LME	Chester K5LME	441.3750	+5	none	FM (analog)		—	Chester, CA
36.2	KF6CCP	Chester KF6CCP	444.5000	+5	TONE 103.5	FM (analog)		—	Chester, CA
38.8	N6ICW	Dobbins N6ICW	444.3000	+5	TONE 77.0	FM (analog)		—	Dobbins, CA
39.7	KF6OBI	Willows KF6OBI	224.5000	+0.6	TSQL 151.4	FM (analog)		—	Willows, CA
40.4	KB6LCS	Dobbins KB6LCS	440.5250	+5	TONE 192.8	FM (analog)		—	Dobbins, CA
41.4	KF6KDD	Red Bluff KF6KDD	145.4500	-0.6	TONE 88.5	FM (analog)		—	Red Bluff, CA
41.4	KH8AF	Red Bluff KH8AF	444.1500	+5	none	FM (analog)		—	Red Bluff, CA
41.4	K6JDS	Red Bluff K6JDS	1286.9000	-12	TONE 100.0	FM (analog)		—	Red Bluff, CA
41.4	N6YCK	Red Bluff N6YCK	224.8000	-1.6	TONE 110.9	FM (analog)		—	Red Bluff, CA
41.4	N6YCK	Red Bluff N6YCK	443.1000	+5	TONE 100.0	FM (analog)		—	Red Bluff, CA
42.0	W7OWC	Taylorsville W7OWC	927.1375	-25	TONE 114.8	FM (analog)		—	Taylorsville, CA
43.6	WB9KMO	Gibraltar WB9KMO	224.8600	-1.6	TONE 131.8	FM (analog)		—	Gibraltar, CA
46.6	WD6AXM	Yuba City Sutter WD6AXM	146.0850	+0.6	TONE 127.3	FM (analog)	🗓 1 net	1 net	Yuba City, CA
46.7	KN6TED	Yuba City Sutter KN6TED AllStar	927.7375	in 902.0125	TSQL 127.3	FM (analog)	AllStar 45625	—	Yuba City, CA
47.1	WO6P	Shingletown WO6P	440.2250	+5	TONE 100.0	FM (analog)		—	Shingletown, CA
47.1	WO6P	Shingletown WO6P	147.1650	+0.6	TONE 88.5	FM (analog)		—	Shingletown, CA
47.3	WR6ASF	Alleghany WR6ASF	444.9250	+5	TONE 88.5	FM (analog)		—	Alleghany, CA
49.0	KG6PND	Marysville KG6PND	440.4250	+5	TONE 123.0	FM (analog)		—	Marysville, CA
49.3	KI6SSF	Yuba City KI6SSF	927.2500	-25	none	FM (analog)		—	Yuba City, CA
49.3	W6GNO	Yuba City W6GNO	224.9600	-1.6	TONE 100.0	FM (analog)		—	Yuba City, CA
49.4	N6IQY	Yuba City N6IQY	145.2100	-0.6	TSQL 127.3	FM (analog)		—	Yuba City, CA
49.4	KK6PDO	Shingletown KK6PDO BM	441.8750	+5	CC1	DMR	BrandMeister 3162878	—	Shingletown, CA
50.0	K6LRC	Susanville Hamil K6LRC	146.8350	-0.6	TONE 91.5	FM (analog)		—	Susanville, CA
10.4	W6RHC offline	Chico W6RHC IRLP	145.5800	simplex	TSQL 110.9	FM (analog)	IRLP 7406 🗓 1 net	1 net · 19 check-ins · 19 stations	Chico, CA
17.7	KD7YXE offline	Chico KD7YXE IRLP	146.5550	simplex	TSQL 136.5	FM (analog)	IRLP 3247	—	Chico, CA
23.1	KJ6LVV offline	Oroville KJ6LVV	444.2750	+5	none	FM (analog) (DV,FM)		—	Oroville, CA

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed May 2, 2000 Award date was May 20, 2000 0000120150	AD6LQ · Gerard F Duffin · Amateur Extra PO Box 261551 · San Diego, CA 92196	1.K6GD held by Robert T Green until Aug 21, 2031 2.K3GD held by JASON R PATTERSON until Jun 10, 2032 3.N3GD held by Leonid A Turkadze until May 18, 2031 4.N2EC held by Edward M Cabic until Sep 26, 2030 5.N3PC held by HEADWATERS AMATEUR RADIO CLUB until May 2, 2030 6.N0PD held by Paul J Ahrens until Mar 25, 2035 7.NEPD 8.N1SN held by JEFFREY M POULIN until Jul 28, 2031 9.N7AD held by Adam J White until Jun 22, 2032 10.K3FZ held by Chris E Lascarides until May 22, 2031 11.N9GD held by GREGORY F DIETZ until Oct 24, 2030	Withdrawn
Filed May 2, 2000 Award date was May 20, 2000 0000121856	AD6LQ · Gerard F Duffin · Amateur Extra PO Box 261551 · San Diego, CA 92196	1.K6GD held by Robert T Green until Aug 21, 2031 2.K3GD held by JASON R PATTERSON until Jun 10, 2032 3.N3GD held by Leonid A Turkadze until May 18, 2031 4.N2EC held by Edward M Cabic until Sep 26, 2030 5.N3PC held by HEADWATERS AMATEUR RADIO CLUB until May 2, 2030 6.N0PD held by Paul J Ahrens until Mar 25, 2035 7.N3PD held by JOHN E BEGG until Nov 7, 2027 8.N1SN held by JEFFREY M POULIN until Jul 28, 2031 9.N7AD held by Adam J White until Jun 22, 2032 10.K3FZ held by Chris E Lascarides until May 22, 2031 11.N9GD held by GREGORY F DIETZ until Oct 24, 2030 12.W0IE held by HENRY F MONTON until Sep 29, 2030 13.W5GF held by JACK W WINTER until May 23, 2030 14.K9GF held by GEORGE L FRYCEK until Jul 7, 2030 15.N9GD held by GREGORY F DIETZ until Oct 24, 2030	Withdrawn
Filed May 2, 2000 Award date was May 20, 2000 0000121858	AD6LQ · Gerard F Duffin · Amateur Extra PO Box 261551 · San Diego, CA 92196	1.K6GD held by Robert T Green until Aug 21, 2031 2.K3GD held by JASON R PATTERSON until Jun 10, 2032 3.N3GD held by Leonid A Turkadze until May 18, 2031 4.N2EC held by Edward M Cabic until Sep 26, 2030 5.N3PC held by HEADWATERS AMATEUR RADIO CLUB until May 2, 2030 6.N0PD held by Paul J Ahrens until Mar 25, 2035 7.N3PD held by JOHN E BEGG until Nov 7, 2027 8.N1SN held by JEFFREY M POULIN until Jul 28, 2031 9.N7AD held by Adam J White until Jun 22, 2032 10.K3FZ held by Chris E Lascarides until May 22, 2031 11.W0IE held by HENRY F MONTON until Sep 29, 2030 12.W5GF held by JACK W WINTER until May 23, 2030 13.K9GF held by GEORGE L FRYCEK until Jul 7, 2030 14.N9GD held by GREGORY F DIETZ until Oct 24, 2030	Granted