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

William A Danforth

FRN 0016024861 · first licensed Jan 26, 2007 as KI6HNV · 2 licenses on record

📝 FCC applications (8)

Received	File number	Service	Purpose	Status	Call
Jun 17, 2024	0011121548	HAM	Administrative update	Granted	AE6J
Jan 11, 2022	0009864416	HAM	Renewal	Granted	AE6J
Oct 1, 2018	0008385715	HAM	Duplicate license	Granted	AE6J
Mar 13, 2012	0005117033	HAM	Modification	Granted	KI6HNV
Feb 16, 2011	0004618050	HAM	Modification	Granted	KI6HNV
Apr 25, 2008	0003410974	HAM	Modification	Granted	KI6HNV
Apr 25, 2008	0003410957	HAM	Modification	Granted	KI6HNV
Jan 26, 2007	0002892478	HAM	New license	Granted	KI6HNV

Complete licensing history

📦 Moved: Patterson, CA → Sioux Falls, SD

AE6J Active Amateur Extra · vanity Mar 31, 2012 → expires Mar 31, 2032

Licensee
William A Danforth

Address
3916 N Potsdam Ave #58
Sioux Falls, SD 57104
43.5892, -96.6950 (street) · Grid EN13po · CQ 4 · ITU 7 · map ↗

FRN
0016024861

Previous call
KI6HNV (General)

Last granted
Jan 12, 2022

Effective
Jun 18, 2024

Last action
Jun 18, 2024
FCC actions (4)
- Jun 18, 2024 — Administrative update LIAUA
- Jan 12, 2022 — License renewed LIREN
- Mar 31, 2012 — Vanity call sign granted VANGRT
- Mar 31, 2012 — License issued LIISS
KI6HNV Canceled Amateur Extra Jan 26, 2007 → Mar 31, 2012 (canceled)

Licensee
William A Danforth

Address
475 I St
Patterson, CA 95363
37.4729, -121.1339 (street) · Grid CM97kl · CQ 3 · ITU 6 · map ↗

FRN
0016024861

Last granted
Jan 26, 2007

Effective
Feb 16, 2011

Last action
Mar 31, 2012
FCC actions (6)
- Mar 31, 2012 — License canceled LICAN
- Feb 16, 2011 — License modified LIMOD
- Apr 25, 2008 — License modified LIMOD
- Apr 25, 2008 — License modified LIMOD
- Jan 26, 2007 — License issued LIISS
- Jan 26, 2007 — 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 Jul 1, 2024 → Oct 4, 2026 · 11 snapshots · as AE6J
William A Danforth
3916 N Potsdam Ave #58, Sioux Falls, SD 57104
43.5892, -96.6950 (street) · Grid EN13po · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 80 snapshots · as KI6HNV
William A Danforth
475 I St, Patterson, CA 95363
37.4729, -121.1339 (street) · Grid CM97kl · CQ 3 · ITU 6 · map ↗

Repeaters within 50 miles

27 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
3.0	KE0WPC	Sioux Falls KE0WPC AllStar	443.8000	+5	DCS 174	FM (analog)	AllStar 632880	—	Sioux Falls, SD
3.0	KD0ZP	Sioux Falls KD0ZP EchoLink	444.9000	+5	TONE 146.2	FM (analog)	EchoLink 74079	—	Sioux Falls, SD
3.8	N0RCY	Sioux Falls SD N0RCY BM	429.0000	-1	CC1	DMR	BrandMeister 3193241	—	Sioux Falls, SD, L0C, SD
3.8	WD0EXR	Sioux Falls WD0EXR BM	443.4000	+5	CC1	DMR	BrandMeister 310165	—	Sioux Falls, SD
4.4	W0ZWY	Sioux Falls W0ZWY	146.8950	-0.6	TONE 146.2	FM (analog)		—	Sioux Falls, SD
4.4	W0ZWY	Sioux Falls W0ZWY	442.7500	+5	none	D-STAR		—	Sioux Falls, SD
4.4	W0FSD	Sioux Falls Menl W0FSD	223.8600	-1.6	TONE 146.2	FM (analog)		—	Sioux Falls, SD
4.4	KD0ZP	Sioux Falls Menl KD0ZP	444.8250	+5	TONE 103.5	FM (analog)		—	Sioux Falls, SD
5.4	KC0RFR	Sioux Falls KC0RFR	443.5000	+5	TONE 88.5	FM (analog) (FM,C4FM)		—	Sioux Falls, SD
5.9	W0ZML	Sioux Falls W0ZML AllStar	443.3000	+5	TONE 146.2	FM (analog) (DMR,FM)	AllStar 631740 BrandMeister 314644	—	Sioux Falls, SD
6.5	N4OGL	Sioux Falls N4OGL BM	446.5000	-5	CC1	DMR	BrandMeister 310677001	—	Sioux Falls, SD
25.2	KD0MC	Luverne KD0MC	147.1050	+0.6	TSQL 141.3	FM (analog)		—	Luverne, MN
27.4	N0JPE	Fairview N0JPE IRLP	146.5600	simplex	TONE 67.0	FM (analog)	IRLP 7449 IRLP 7375	—	Fairview, SD
29.3	W0ZML	Moe W0ZML	443.4000	+5	TSQL 146.2	FM (analog)		—	Moe, SD
34.1	W0DRK	Pipestone W0DRK	147.0750	+0.6	TONE 141.3	FM (analog)		—	Pipestone, MN
34.5	KB0WSV	Colman KB0WSV	443.2250	+5	TONE 146.2	FM (analog)		—	Colman, SD
35.4	KA0VHV	Beresford KA0VHV	147.2400	+0.6	TONE 141.3	FM (analog)		—	Beresford, SD
35.4	WG0F	Madison WG0F	442.7500	+5	none	D-STAR		—	Madison, SD
38.0	W0SD	Salem W0SD IRLP	145.5100	simplex	TONE 146.2	FM (analog)	IRLP 7748	—	Salem, SD
38.0	W0SD	Salem W0SD	442.0750	+5	TONE 103.5	FM (analog)		—	Salem, SD
39.4	W0VHQ	Rock Valley Perk W0VHQ	147.3000	+0.6	TSQL 110.9	FM (analog) (C4FM,FM)		—	Rock Valley, IA
41.3	W0SD	Turkey Ridge W0SD	444.9750	+5	TONE 146.2	FM (analog)		—	Turkey Ridge, SD
41.7	W0SD	Turkey Ridge W0SD	927.6000	-25	TONE 100.0	FM (analog)		—	Turkey Ridge, SD
6.2	W0ZWY offline	Sioux Falls W0ZWY	444.2000	+5	TSQL 82.5	FM (analog) (FM,C4FM)		—	Sioux Falls, SD
9.6	K0LTN offline	Harrisburg McFar K0LTN	442.4000	+5	TONE 225.7	FM (analog)		—	Harrisburg, SD
32.2	K0TGA offline	Flandreau K0TGA	146.9850	-0.6	TONE 146.2	FM (analog)		—	Flandreau, SD
35.3	KB0MRG offline	Madison KB0MRG	440.1750	+5	TONE 131.8	FM (analog)		—	Madison, SD

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Mar 13, 2012 Granted Jan 12, 2022 0005117033	KI6HNV · William A Danforth · Amateur Extra 475 I St, Patterson, CA 95363 37.4729, -121.1339 (street) · Grid CM97kl · CQ 3 · ITU 6 · map ↗	1.AE6J ✓ granted 2.AB6J held	Granted got AE6J