N9TPB
FCC License Search
🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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, WIKC1OOS
✅ Available for a vanity request — free since May 28, 2023.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held · 1 holder on record · available since May 28, 2023
Previous holder: Martin Shell
Held KC1OOS Apr 16, 2021 → May 27, 2021 · first licensed Feb 3, 2021 as KC1OOS · 4 licenses · FRN 0013984950
-
📦 Moved: Somerville, MA → Bremen, ME
- Licensee
- Martin Shell
- Address
- 54 Maple Lane
Bremen, ME 04551
- FRN
- 0013984950
- Previous call
- KC1OOS (General)
- Last granted
- Apr 16, 2021
- Effective
- Jul 2, 2021
- Last action
- Jul 2, 2021
FCC actions (3)
- Jul 2, 2021 — FCC action LIAUA
- May 27, 2021 — Systematic call sign granted SYSGRT
- May 27, 2021 — License issued LIISS
-
- Licensee
- Martin Shell
- Address
- 237 WILLOW AVE
Somerville, MA 02144
- FRN
- 0013984950
- Previous call
- WZ1MCS (General)
- Last granted
- Apr 16, 2021
- Effective
- May 26, 2021
- Last action
- May 27, 2021
FCC actions (4)
- May 27, 2021 — License canceled LICAN
- May 26, 2021 — License modified LIMOD
- Apr 16, 2021 — Vanity call sign granted VANGRT
- Apr 16, 2021 — License issued LIISS
-
- Licensee
- Martin Shell
- Address
- 237 WILLOW AVE
Somerville, MA 02144
- FRN
- 0013984950
- Previous call
- KC1OOS (Technician)
- Last granted
- Mar 23, 2021
- Effective
- Mar 23, 2021
- Last action
- Apr 16, 2021
FCC actions (3)
- Apr 16, 2021 — License canceled LICAN
- Mar 23, 2021 — Vanity call sign granted VANGRT
- Mar 23, 2021 — License issued LIISS
-
- Licensee
- Martin Shell
- Address
- 237 WILLOW AVE
Somerville, MA 02144
- FRN
- 0013984950
- Last granted
- Feb 3, 2021
- Effective
- Feb 10, 2021
- Last action
- Mar 23, 2021
FCC actions (4)
- Mar 23, 2021 — License canceled LICAN
- Feb 10, 2021 — License modified LIMOD
- Feb 3, 2021 — License issued LIISS
- Feb 3, 2021 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Others requesting KC1OOS
1 application listed KC1OOS as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Mar 29, 2021 | Apr 16, 2021 | WZ1MCS · Martin Shell · Somerville, MA | 1 | Granted |
📡 On the air: APRS & digital spots
No APRS positions and no PSK Reporter reports for KC1OOS in the last 24 hours. Spots show up here within seconds of KC1OOS beaconing on APRS or being heard on FT8, FT4, CW (by skimmers) and other digital modes.