N9TPB
FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 8, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)K0ARO HAM
Amateur Extra class
licensed since 1987 (39 yrs)
Mason City, IA
Grid EN33jd
28 repeaters within 50 mi
🔒 Not available — currently licensed, through Dec 3, 2026. If it isn't renewed, it opens for vanity requests Dec 4, 2028.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Currently held by WALTER K RENNER · 1 holder on record
Current holder: WALTER K RENNER
Held K0ARO Dec 3, 1996 → present
· first licensed Aug 11, 1987 as KT0L
· 1 license · FRN 0015471667
📖 In the printed callbooks since 1957 as K0ARO, before the FCC's online records
-
- Licensee
- WALTER K RENNER
- Address
- 1033 19th St SW #7
MASON CITY, IA 50401
- FRN
- 0015471667
- Previous call
- KT0L
- Last granted
- Oct 3, 2016
- Effective
- Oct 3, 2016
- Last action
- Oct 3, 2016
FCC actions (3)
- Oct 3, 2016 — License renewed LIREN
- Sep 8, 2006 — License renewed LIREN
- Sep 6, 2006 — FCC action LITIN
Callbook Records, 1993–2003
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
- Seen Apr 4, 1997 → Apr 17, 2003 · 12 discs
K0ARO · Amateur Extra · issued Dec 3, 1996, expires Dec 3, 2006 · previously KT0L
WALTER K. RENNER
537 3RD NE, MASON CITY, IA 50401 - Seen Sep 9, 1993 → Oct 27, 1996 · 7 discs
KT0L · Amateur Extra · issued Aug 11, 1987, expires Aug 11, 1997 · previously K0ARO
WALTER K RENNER
537 3RD NE, MASON CITY, IA 50401
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
K0ARO in the Printed Callbooks, 1909–1997
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.
- 1982 → 1983 · 2 editions
K0ARO · class E
Walterk Renner
537 3rd Ne, Mason Cit, >, IA 50401
Winter 1982 p.7, Winter 1983 p.6 - 1980 → 1981 · 2 editions
K0ARO · class E
Walter K Renner
537 3rd Ne, Mason City, IA 50401
Winter 1980 p.8, 1981 p.1029 - 1964 → 1979 · 3 editions
K0ARO · class A
Kurt W. Renner
537 Third St.n.e, Mason City Iowa
Fall 1964 p.3, Summer 1965 p.3, Winter 1979 p.8 - 1962 · 1 edition
K0ARO
K U R T W
R E N N E R, 5 3 7 T H I R D S T . N . E, M A S O N C I T Y Iowa
Fall 1962 p.4 - 1957 → 1961 · 5 editions
K0ARO
Kurt W. Renner
537 Third N. E., Mason City, IA
Fall 1957 p.36, Summer 1958 p.3, Spring 1959 p.2, Winter 1960 p.4, Spring 1961 p.3
Others Requesting K0ARO
1 application listed K0ARO as a choice, newest first.
| Filed | Award | Applicant | Choice # | K0ARO | Result |
|---|---|---|---|---|---|
| Feb 12, 2020 | Mar 1, 2020 | KN6HHE · AARON MURPHY · PESCADERO, CA | 1 | Not granted | They got K2AAR (choice 5) |
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for K0ARO in the last 24 hours. They show up here within seconds of K0ARO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Repeaters within 50 Miles
28 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 |
|---|---|---|---|---|---|---|---|---|---|
| 28.4 | NX0P Listed as NX0P/R |
Glenville NX0P AllStar |
146.6850 | -0.6 | TONE 100.0 | FM (analog) | EchoLink 513917 AllStar 571263 🗓 2 nets | 2 nets · 1 check-ins · 1 stations | Glenville, MN |
| 1.6 | W0MCW | Mason City Inter W0MCW |
146.7600 | -0.6 | TONE 103.5 | FM (analog) | — | Mason City, IA | |
| 1.6 | KE0POU | Mason City KE0POU |
442.2750 | +5 | TSQL 100.0 | FM (analog) (FM,C4FM) | — | Mason City, IA | |
| 3.7 | WA0SPF | Mason City NIACC WA0SPF EchoLink |
147.3150 | +0.6 | TSQL 103.5 | FM (analog) (FM,C4FM) | EchoLink 278347 | — | Mason City, IA |
| 8.0 | KK6RQ | Clear Lake KK6RQ BM |
440.9875 | in 449.9875 | CC1 | DMR | BrandMeister 310551 | — | Clear Lake, IA |
| 8.0 | KK6RQ | Clear Lake KK6RQ BM |
144.3000 | in 141.3000 | CC1 | DMR | BrandMeister 314388 | — | Clear Lake, IA |
| 8.5 | KK6RQ | Clear Lake KK6RQ |
147.3000 | in 144.3000 | CC? | DMR | — | Clear Lake, IA | |
| 22.6 | KC0VII | Saint Ansgar KC0VII |
147.1950 | +0.6 | TSQL 103.5 | FM (analog) | — | Saint Ansgar, IA | |
| 22.8 | WB0URC | Forest City WB0URC |
147.2700 | +0.6 | TSQL 103.5 | FM (analog) (FM,C4FM) | — | Forest City, IA | |
| 28.3 | WA0YCT | Glenville WA0YCT |
444.9750 | +5 | TONE 100.0 | FM (analog) | — | Glenville, MN | |
| 28.3 | WA0RAX Offline | Glenville WA0RAX |
146.8800 | -0.6 | TONE 100.0 | FM (analog) (C4FM,FM) | — | Glenville, MN | |
| 29.1 | N0RJJ Offline | Dumont N0RJJ |
145.4300 | -0.6 | TONE 136.5 | FM (analog) | — | Dumont, IA | |
| 38.1 | KE0LG | Austin KE0LG BM |
441.5000 | +5 | CC1 | DMR | BrandMeister 320432101 | — | Austin, MN |
| 38.7 | W0AZR | Austin W0AZR |
145.4700 | -0.6 | TONE 100.0 | FM (analog) | — | Austin, MN | |
| 38.7 | W0AZR | Austin W0AZR |
146.7300 | -0.6 | TONE 100.0 | FM (analog) | — | Austin, MN | |
| 38.7 | N0RZO | Austin N0RZO |
443.5000 | +5 | none | FM (analog) | — | Austin, MN | |
| 39.0 | W0AZR | Austin W0AZR |
443.5000 | +5 | none | FM (analog) | — | Austin, MN | |
| 40.8 | WB0EMJ | Ackley WB0EMJ |
223.8500 | -1.6 | TSQL 136.5 | FM (analog) | — | Ackley, IA | |
| 40.8 | WB0EMJ | Ackley WB0EMJ |
443.7500 | +5 | TSQL 136.5 | FM (analog) | — | Ackley, IA | |
| 40.9 | WB0EMJ | Ackley WB0EMJ |
145.1100 | -0.6 | none | FM (analog) | — | Ackley, IA | |
| 40.9 | WB0EMJ | Ackley WB0EMJ AllStar |
147.2550 | +0.6 | TSQL 136.5 | FM (analog) | AllStar 46829 | — | Ackley, IA |
| 41.1 | WB0EMJ | Ackley WB0EMJ BM |
448.0500 | -5 | CC1 | DMR | BrandMeister 311915 | — | Ackley, IA |
| 43.6 | WA0RAX | Albert Lea WA0RAX |
443.5250 | +5 | TSQL 100.0 | FM (analog) | — | Albert Lea, MN | |
| 44.7 | W0IW | Parkersburg W0IW WIRES-X |
444.6500 | +5 | TONE 136.5 | FM (analog) (FM,C4FM) | WIRES-X 35873 | — | Parkersburg, IA |
| 47.4 | W0MCW | Williams W0MCW |
444.5000 | +5 | TONE 151.4 | FM (analog) | — | Williams, IA | |
| 47.9 | KD0TGF | Hartland KD0TGF |
443.6000 | +5 | CC? | DMR | — | Hartland, MN | |
| 48.2 | KD0TGF Offline | Hartland KD0TGF KD0TGF-Ne |
442.0938 | +5 | CC2 | DMR | KD0TGF-Network | — | Hartland, MN |
| 50.0 | KC0MWG | Algona KC0MWG BM |
444.8250 | +5 | TONE 110.9 | FM (analog) (DMR,FM) | BrandMeister 3119146 | — | Algona, IA |