N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 8, 2026) · next update today 9:45 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)W6OST HAM 📻 GMRS
Club
licensed since 1985 (41 yrs)
W6OST since 1985 · previously KI6IHJ, N6HBJ
Carlotta, CA
Grid CN70xm
LoTW user
GMRS WSKY966
24 repeaters within 50 mi
🔒 Not available — currently licensed, through Apr 3, 2027. If it isn't renewed, it opens for vanity requests Apr 4, 2029.
📬 QSL: LoTW user · last upload Oct 4, 2026 as previous call N6HBJ · none yet as W6OST · not eQSL AG · QRZ · HamQTH
Currently held by John Harlan Memorial Amateur Radio Club · 1 holder on record
Current holder: John Harlan Memorial Amateur Radio Club
Held W6OST Jan 11, 1985 → present
· first licensed Jan 11, 1985 as W6OST
· 4 licenses · FRN 0008153264
📖 In the printed callbooks since 1952 as W6OST, before the FCC's online records
-
📦 Moved: Carlotta, CA → San Bruno, CA
- Licensee
- John Harlan Memorial Amateur Radio Club
- Address
- Attn: MIKE G ARSANIS
1327 Shelter Creek Lane
San Bruno, CA 94066
- FRN
- 0016185845
- Trustee
- N6HBJ
- Last granted
- Mar 6, 2007
- Effective
- Mar 6, 2007
- Last action
- Apr 3, 2007
FCC actions (3)
- Apr 3, 2007 — License canceled LICAN
- Mar 6, 2007 — License issued LIISS
- Mar 6, 2007 — Systematic call sign granted SYSGRT
-
- Licensee
- Michael G Arsanis
- Address
- 7424 STATE HIGHWAY 36
CARLOTTA, CA 95528
- FRN
- 0008153264
- Last granted
- Apr 7, 2017
- Effective
- Jun 12, 2024
- Last action
- Jun 12, 2024
FCC actions (6)
- Jun 12, 2024 — Administrative update LIAUA
- Oct 19, 2023 — Administrative update LIAUA
- Apr 7, 2017 — License renewed LIREN
- Apr 5, 2007 — License renewed LIREN
- Dec 26, 2002 — Administrative update LIAUA
- Dec 26, 2002 — FCC action LITIN
-
📦 Moved: San Bruno, CA → Carlotta, CA
- Licensee
- John Harlan Memorial Amateur Radio Club
- Address
- Attn: MIKE G ARSANIS
7424 State Highway 36
Carlotta, CA 95528
- FRN
- 0008153264
- Previous call
- KI6IHJ
- Trustee
- N6HBJ
- Last granted
- Jan 17, 2017
- Effective
- Feb 27, 2026
- Last action
- Feb 27, 2026
FCC actions (4)
- Feb 27, 2026 — Administrative update LIAUA
- Jan 17, 2017 — License renewed LIREN
- Apr 3, 2007 — Vanity call sign granted VANGRT
- Apr 3, 2007 — License issued LIISS
-
- Licensee
- JOHN S HARLAN
- Address
- 2501 ROSEWOOD DR
SAN BRUNO, CA 94066-3928
- FRN
- 0008153264
- Last granted
- Oct 19, 1994
- Effective
- Oct 19, 1994
- Last action
- Dec 23, 2025
FCC actions (1)
- Oct 20, 2006 — License expired LIEXP
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 17, 2003 · 1 disc
N6HBJ · Advanced · issued Dec 26, 2002, expires Jun 30, 2007 · previously KA6UXZ
MIKE G . ARSANIS
3639 MARKET STREET APT 4, SAN FRANCISCO, CA 94131 - Seen Mar 9, 1998 → Oct 25, 2002 · 10 discs
N6HBJ · Advanced · issued Jun 30, 1997, expires Jun 30, 2007
MIKE G. ARSANIS
969 G EDGEWATER BLVD 703, FOSTER CITY, CA 94404 - Seen Oct 31, 1994 → Apr 17, 2003 · 17 discs
W6OST · Advanced · issued Oct 19, 1994, expires Oct 19, 2004
JOHN S. HARLAN
2501 ROSEWOOD DR, SAN BRUNO, CA 94066-3928 - Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs
N6HBJ · Advanced · issued Sep 29, 1987, expires Sep 29, 1997 · previously KA6UXZ (General)
MIKE G ARSANIS
2351 TOYON WAY, SAN BRUNO, CA 94066 - Seen Sep 9, 1993 → May 3, 1994 · 2 discs
W6OST · Advanced · issued Jan 11, 1985, expires Jan 11, 1995
JOHN S HARLAN
2501 ROSEWOOD DR, SAN BRUNO, CA 94066
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as W6OST
John Harlan Memorial Amateur Radio Club
Attn: MIKE G ARSANIS
7424 State Highway 36, Carlotta, CA 95528 - Seen Jul 1, 2024 → Oct 4, 2026 · 11 snapshots · as N6HBJ
Michael G Arsanis
7424 STATE HIGHWAY 36, CARLOTTA, CA 95528 - Seen May 27, 2010 → Oct 4, 2026 · 92 snapshots · as KI6IHJ
John Harlan Memorial Amateur Radio Club
Attn: MIKE G ARSANIS
1327 Shelter Creek Lane, San Bruno, CA 94066 - Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as W6OST
JOHN S HARLAN
2501 ROSEWOOD DR, SAN BRUNO, CA 94066-3928 - Seen Apr 27, 2024 · 1 snapshot · as N6HBJ
Mike G Arsanis
7424 STATE HIGHWAY 36, CARLOTTA, CA 95528 - Seen May 27, 2010 → Apr 16, 2022 · 35 snapshots · as N6HBJ
Mike G Arsanis
1327 Shelter Creek Lane, San Bruno, CA 94066 - Seen Nov 7, 2004 · 1 snapshot · as N6HBJ
MIKE G ARSANIS
3639 MARKET STREET APT 4, SAN FRANCISCO, CA 94131
W6OST 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.
- 1980 → 1994 · 8 editions
W6OST · class A
John S Harlan
2501 Rosewood Dr, San Bruno, CA 94066
Winter 1980 p.747, 1981 p.687, Winter 1982 p.780, Winter 1983 p.798, Winter 1989 p.876, Winter 1991 p.967, 1992 p.995, 1994 p.1146 - 1979 · 1 edition
W6OST · class A
John S Hanan
2501 Rosewood Dr, San Bru10, CA 94066
Winter 1979 p.193 - 1969 → 1975 · 5 editions
W6OST · class A
John S . Harlan
2501 Rosewood D R, San Bruno
Summer 1969 p.415, Fall 1971 p.424, Winter 1972 p.427, 1974 p.395, Winter 1975 p.422 - 1968 · 1 edition
W6OST · class A
Marguerite H Mausshardt
512 Scenic Av
Spring 1968 p.386 - 1967 · 1 edition
W6OST
A =~~g~c~1~: ~hs~~~~h~:g~45!~r~~~nc~e~~'~b
Omont 11
Fall 1967 p.380 - 1965 · 1 edition
W6OST
John S. Harlan
2501. Rosewood Dr. San Bruno
Summer 1965 p.383 - 1964 · 1 edition
W6OST
J O H N S. H A R L A N
2 5 0 1 R O S E W O O D Dr, S A N B R U N O
Fall 1964 p.374 - 1960 → 1963 · 5 editions
W6OST
John Se Harlan
2501 Rosewood Dr, San Bruno
Winter 1960 p.383, Spring 1961 p.382, Fall 1961 p.396, Fall 1962 p.376, Summer 1963 p.396 - 1954 → 1959 · 5 editions
W6OST
John S. Harlan
151 Ramsell Street, San Francisco 27
Fall 1954 p.221, Fall 1955 p.268, Spring 1956 p.259, Summer 1958 p.315, Spring 1959 p.327 - 1952 → 1954 · 2 editions
W6OST
John S. Harlan
250 Balboa Street, San Pyancisco
Fall 1952 p.206, Spring 1954 p.222 - 1938 · 1 edition
W6OST
Dunstan S. Gross
36 Panoramic Way, Berke- Park, CA
Spring 1938 p.102 - None · 1 edition
W6OST · class A
John S Harlan
2501 Rosewood Dr, San Bruno
None p.395
Others Requesting W6OST
1 application listed W6OST as a choice, newest first.
| Filed | Award | Applicant | Choice # | W6OST | Result |
|---|---|---|---|---|---|
| Mar 13, 2007 | Mar 31, 2007 | KI6IHJ · John Harlan Memorial Amateur Radio Club · San Bruno, CA | 1 | Not granted | None of their choices was issued |
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for W6OST in the last 24 hours. They show up here within seconds of W6OST beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
📻 GMRS Repeaters within 50 Miles
1 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 |
|---|---|---|---|---|---|---|---|
| 4 | RP17 | 462.600 | 196.6 | WRVC311 | Rio Dell, CA | Open | On the air |
Repeaters within 50 Miles
24 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 |
|---|---|---|---|---|---|---|---|---|---|
| 8.1 | K6FWR | Scotia Monument K6FWR |
146.7600 | -0.6 | TONE 103.5 | FM (analog) | 🗓 1 net | 1 net | Scotia, CA |
| 28.8 | K6FWR | Eureka Horse Mtn K6FWR |
147.0000 | +0.6 | TONE 103.5 | FM (analog) | 🗓 1 net | 1 net | Eureka, CA |
| 33.2 | K6FWR | Garberville K6FWR |
146.6100 | -0.6 | TSQL 103.5 | FM (analog) | 🗓 1 net | 1 net | Garberville, CA |
| 4.7 | K6FWR | Scotia K6FWR |
443.2500 | +5 | TONE 103.5 | FM (analog) | — | Scotia, CA | |
| 4.7 | WB6TMS | Scotia WB6TMS |
145.1700 | -0.6 | TONE 103.5 | FM (analog) | — | Scotia, CA | |
| 8.3 | KA6ROM | Fortuna KA6ROM |
147.0900 | +0.6 | TONE 103.5 | FM (analog) | — | Fortuna, CA | |
| 8.4 | KF6SYK | Fortuna KF6SYK |
147.0900 | +0.6 | TONE 103.5 | FM (analog) | — | Fortuna, CA | |
| 13.5 | WB6HII Offline | Eureka Bunker Hl WB6HII IRLP |
147.4450 | -0.6 | TSQL 103.5 | FM (analog) | IRLP 7757 IRLP 3560 | — | Eureka, CA |
| 15.2 | KM6TE | Weott KM6TE |
147.3300 | +0.6 | TONE 103.5 | FM (analog) | — | Weott, CA | |
| 17.1 | WB6HII | EUREKA WB6HII AllStar |
146.6400 | -0.6 | TONE 103.5 | FM (analog) | AllStar 681620 | — | EUREKA, CA |
| 19.4 | KE6SLS | Eureka KE6SLS |
444.4000 | +5 | TSQL 103.5 | FM (analog) | — | Eureka, CA | |
| 20.4 | W6ZZK | Eureka W6ZZK |
145.4700 | -0.6 | TONE 103.5 | FM (analog) | — | Eureka, CA | |
| 20.4 | K6FWR | Eureka Wednesday K6FWR |
146.7000 | -0.6 | TONE 103.5 | FM (analog) | — | Eureka, CA | |
| 20.4 | WA6RQX | Eureka WA6RQX |
442.2250 | +5 | none | FM (analog) | — | Eureka, CA | |
| 20.4 | WA6RQX | Eureka Bunker Hl WA6RQX AllStar |
444.7500 | +5 | TONE 141.3 | FM (analog) | AllStar 1460 | — | Eureka, CA |
| 22.4 | K6FWR | Dinsmore K6FWR |
146.9800 | -0.6 | TONE 103.5 | FM (analog) | — | Dinsmore, CA | |
| 28.7 | AE6R | Arcata AE6R |
442.0000 | +5 | TSQL 100.0 | FM (analog) | — | Arcata, CA | |
| 29.4 | KJ6BDK | McKinleyville KJ6BDK |
440.1000 | +5 | TONE 100.0 | FM (analog) | — | McKinleyville, CA | |
| 31.9 | W6HUM | Garberville W6HUM |
146.7900 | -0.6 | TONE 103.5 | FM (analog) | — | Garberville, CA | |
| 31.9 | KA6ROM | Garberville KA6ROM |
147.1500 | +0.6 | TONE 103.5 | FM (analog) | — | Garberville, CA | |
| 31.9 | W6CLG | Garberville W6CLG |
146.7900 | -0.6 | TONE 103.5 | FM (analog) | — | Garberville, CA | |
| 33.2 | N6VA | Garberville Prat N6VA |
146.6100 | -0.6 | TONE 103.5 | FM (analog) | — | Garberville, CA | |
| 34.9 | W6HUM | Whitethorn W6HUM |
146.9400 | -0.6 | TONE 103.5 | FM (analog) | — | Whitethorn, CA | |
| 43.6 | N6TKY | Weaverville Hayf N6TKY |
146.7300 | -0.6 | TONE 85.4 | FM (analog) | — | Weaverville, CA |