N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 13, 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)KC0SFN HAM
🔒 Not available — currently licensed, through Apr 27, 2034. If it isn't renewed, it opens for vanity requests Apr 28, 2036.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Currently held by MATHEW S GRAHAM · 1 holder on record
Current holder: MATHEW S GRAHAM
Held KC0SFN Apr 27, 2004 → present · first licensed Apr 27, 2004 as KC0SFN · 1 license · FRN 0010824001
-
- Licensee
- MATHEW S GRAHAM
- Address
- 2423 PATRIOT AVE
OSKALOOSA, IA 52577-9631
- FRN
- 0010824001
- Last granted
- Nov 27, 2025
- Effective
- Dec 1, 2025
- Last action
- Dec 1, 2025
FCC actions (4)
- Dec 1, 2025 — Administrative update LIAUA
- Nov 27, 2025 — License renewed LIREN
- Feb 4, 2014 — License renewed LIREN
- Apr 27, 2004 — License issued LIISS
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Oct 11, 2026 · 49 snapshots · as KC0SFN
MATHEW S GRAHAM
2423 PATRIOT AVE, OSKALOOSA, IA 52577-9631
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KC0SFN in the last 24 hours. They show up here within seconds of KC0SFN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Repeaters within 50 Miles
32 repeaters within 50 miles of this address, 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 · 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 |
|---|---|---|---|---|---|---|---|---|---|
| 46.3 | W0ARC | Washington W0ARC EchoLink |
147.0450 | +0.6 | TSQL 146.2 | FM (analog) (FM,C4FM) | EchoLink 688179 EchoLink 343657 🗓 1 net | 1 net | Washington, IA |
| 46.3 | W0ARC | Washington W0ARC |
443.7000 | +5 | TSQL 146.2 | FM (analog) (FM,C4FM) | 🗓 1 net | 1 net | Washington, IA |
| 3.2 | KB0VXL | Oskaloosa KB0VXL |
145.4900 | -0.6 | TONE 146.2 | FM (analog) | — | Oskaloosa, IA | |
| 18.8 | WA0DX | Ottumwa WA0DX BM |
443.9750 | +5 | CC1 | DMR | BrandMeister 311939 | — | Ottumwa, IA |
| 18.8 | WA0DX | Ottumwa WA0DX EchoLink |
443.2000 | +5 | TONE 146.2 | FM (analog) (DMR,FM) | EchoLink 376609 BrandMeister 311939 | — | Ottumwa, IA |
| 21.5 | KE0BX | Ottumwa KE0BX |
146.9700 | -0.6 | TONE 100.0 | FM (analog) | — | Ottumwa, IA | |
| 21.8 | WA0DX | Ottumwa WA0DX EchoLink |
147.2850 | +0.6 | TONE 146.2 | FM (analog) (FM,C4FM) | EchoLink 376609 | — | Ottumwa, IA |
| 21.8 | KE0BX | Ottumwa KE0BX BM |
444.8500 | +5 | none | FM (analog) (DMR,FM) | BrandMeister 311941 | — | Ottumwa, IA |
| 22.7 | WR0U | Pella WR0U IRLP |
146.5650 | simplex | TSQL 100.0 | FM (analog) | IRLP 3835 | — | Pella, IA |
| 25.8 | K0PEA | Otley Wtr K0PEA EchoLink |
145.1700 | -0.6 | TSQL 114.8 | FM (analog) | EchoLink 50219 | — | Otley, IA |
| 29.6 | KE0KKD | Luzerne KE0KKD |
444.4000 | +5 | TONE 192.8 | FM (analog) | — | Luzerne, IA | |
| 30.5 | K0TSK | Brooklyn K0TSK |
442.6500 | +5 | none | FM (analog) | — | Brooklyn, IA | |
| 30.9 | W0ALO | Moravia W0ALO |
146.9250 | -0.6 | TONE 146.2 | FM (analog) | — | Moravia, IA | |
| 30.9 | W0ALO | Moravia W0ALO Eastern-US |
444.4750 | +5 | TONE 146.2 | FM (analog) (DMR,FM) | Eastern-US | — | Moravia, IA |
| 31.0 | W0ALO | Moravia W0ALO BM |
146.3250 | -0.6 | CC1 | DMR | BrandMeister 311668 | — | Moravia, IA |
| 33.1 | K0TSK | Victor K0TSK BM |
444.9500 | +5 | CC1 | DMR | BrandMeister 311920 | — | Victor, IA |
| 36.2 | W0PLV | Pleasantville W0PLV BM |
147.3300 | +0.6 | CC1 | DMR | BrandMeister 313029 | — | Pleasantville, IA |
| 36.3 | W0WML | Newton W0WML |
147.0300 | +0.6 | TSQL 114.8 | FM (analog) | — | Newton, IA | |
| 36.8 | KC0NFA | Newton KC0NFA |
442.3000 | +5 | TSQL 151.4 | FM (analog) | — | Newton, IA | |
| 37.4 | K0OTP | Russell K0OTP |
443.5250 | +5 | TONE 146.2 | FM (analog) | — | Russell, IA | |
| 41.2 | NF0T | Gilman NF0T IRLP |
444.1500 | +5 | TONE 151.4 | FM (analog) (DMR,FM) | IRLP 3162 BrandMeister 311917 | — | Gilman, IA |
| 41.2 | NF0T Offline | Gilman NF0T |
53.0300 | in 51.3300 | TONE 151.4 | FM (analog) | — | Gilman, IA | |
| 42.6 | AA0CH | Chariton Courtho AA0CH |
146.8350 | -0.6 | TONE 146.2 | FM (analog) | — | Chariton, IA | |
| 43.8 | WC0C | Laurel WC0C |
444.8000 | +5 | TONE 151.4 | FM (analog) | — | Laurel, IA | |
| 46.4 | KC0NFA | Baxter KC0NFA |
444.2250 | +5 | TSQL 151.4 | FM (analog) | — | Baxter, IA | |
| 46.5 | N0VPR | Baxter N0VPR BM |
444.6000 | +5 | CC1 | DMR | BrandMeister 310214 | — | Baxter, IA |
| 48.1 | K0IRO | Mingo K0IRO BM |
442.4250 | +5 | TSQL 151.4 | FM (analog) (DMR,FM) | BrandMeister 314757 | — | Mingo, IA |
| 48.3 | W0AIX | Mingo W0AIX FM |
146.6700 | -0.6 | CC1 | DMR | FM | — | Mingo, IA |
| 48.4 | WA0VBM | Marshalltown WA0VBM BM |
433.9500 | +5 | CC1 | DMR | BrandMeister 3205666 | — | Marshalltown, IA |
| 48.4 | K0IRO | Mingo K0IRO AllStar |
146.6700 | -0.6 | TSQL 114.8 | FM (analog) | AllStar 656830 EchoLink 519632 | — | Mingo, IA |
| 48.6 | W0IND | Indianola W0IND |
444.1250 | +5 | TSQL 114.8 | FM (analog) | — | Indianola, IA | |
| 48.6 | W0IND | Indianola Pickar W0IND EchoLink |
147.1950 | +0.6 | TSQL 114.8 | FM (analog) | EchoLink 937343 | — | Indianola, IA |