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, WIGERALD C GRUENBAUM
FRN 0010461176 · first licensed Feb 26, 2004 as K4GFW · 1 license on record
📝 FCC applications (6)
| Received | File number | Service | Purpose | Status | Call |
|---|---|---|---|---|---|
| Jun 6, 2024 | 0011108026 | HAM | Administrative update | Dismissed | K4GFW |
| Jun 6, 2024 | 0011108016 | HAM | Administrative update | Granted | K4GFW |
| Jun 4, 2024 | 0011103617 | HAM | Renewal + modification | Granted | K4GFW |
| Jan 26, 2022 | 0009885382 | HAM | Administrative update | Granted | K4GFW |
| Mar 17, 2014 | 0006202278 | HAM | Renewal | Granted | K4GFW |
| Feb 26, 2004 | 0001633657 | HAM | Renewal | Granted | K4GFW |
Complete licensing history
-
- Licensee
- GERALD C GRUENBAUM
- Address
- 817 Redish Circle
Clewiston, FL 33440
- FRN
- 0010461176
- Last granted
- Jun 5, 2024
- Effective
- Jun 6, 2024
- Last action
- Jun 6, 2024
FCC actions (5)
- Jun 6, 2024 — Administrative update LIAUA
- Jun 5, 2024 — License renewed LIREN
- Jan 27, 2022 — Administrative update LIAUA
- Mar 18, 2014 — License renewed LIREN
- Feb 26, 2004 — FCC action LITIN
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Nets
| Net | When | Frequency | Role | Times | Last |
|---|---|---|---|---|---|
| KNOTHEADS | Daily 9:00 AM · Mon, Thu, Fri, Sat 8:45 AM · Fri 8:30 AM ET | 14.320 | Checked in | 18 | 2026-10-05 |
From nets logged with NetLogger since the start of collection.
Repeaters within 50 miles
125 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 |
|---|---|---|---|---|---|---|---|---|---|
| 0.9 | KI4AYW | Clewiston KI4AYW |
146.7600 | -0.6 | TONE 97.4 | FM (analog) | — | Clewiston, FL | |
| 1.2 | WA4PAM | Clewiston Inn WA4PAM |
146.7600 | -0.6 | TONE 97.4 | FM (analog) | — | Clewiston, FL | |
| 1.3 | WB4TWQ | Clewiston WB4TWQ |
145.3500 | -0.6 | TSQL 127.3 | FM (analog) | — | Clewiston, FL | |
| 1.3 | WB4TWQ | Clewiston WB4TWQ WIRES-X |
444.4000 | +5 | TONE 127.3 | FM (analog) (C4FM,FM) | WIRES-X 52622 | — | Clewiston, FL |
| 1.6 | WB4TWQ | Clewiston WB4TWQ BM |
145.1400 | -0.6 | CC1 | DMR | BrandMeister 312810 | — | Clewiston, FL |
| 7.8 | K4PKT | Lake Harbor K4PKT FL-DMR |
444.4875 | +5 | CC1 | DMR | FL-DMR | — | Lake Harbor, FL |
| 12.7 | KB4ELI | Moore Haven Glad KB4ELI |
147.3000 | +0.6 | TSQL 100.0 | FM (analog) | — | Moore Haven, FL | |
| 12.8 | KJ4FJD | Moore Haven KJ4FJD |
147.3000 | +0.6 | TONE 100.0 | FM (analog) (FM,P25) | — | Moore Haven, FL | |
| 13.4 | WB4TWQ | Lehigh Acres WB4TWQ WIRES-X |
442.8000 | +5 | TONE 82.5 | FM (analog) (C4FM,FM) | WIRES-X 53598 | — | Lehigh Acres, FL |
| 14.2 | WB4TWA | Clewiston WB4TWA |
145.1400 | -0.6 | TSQL 103.5 | FM (analog) | — | Clewiston, FL | |
| 14.8 | N4PAZ | Clewiston Montur N4PAZ WIRES-X |
442.3750 | +5 | none | FM (analog) (FM,C4FM) | WIRES-X 21788 | — | Clewiston, FL |
| 15.1 | WB4TWA | Clewiston WB4TWA |
443.5250 | +5 | TONE 82.5 | FM (analog) | — | Clewiston, FL | |
| 15.2 | KF4ACN | Belle Glade KF4ACN |
443.9000 | +5 | TONE 131.8 | FM (analog) | — | Belle Glade, FL | |
| 15.3 | KJ4RUF | Clewiston KJ4RUF BM |
440.0000 | +5 | CC1 | DMR | BrandMeister 3221225 | — | Clewiston, FL |
| 18.2 | AB4BE | Belle Glade AB4BE |
147.1200 | +0.6 | TSQL 110.9 | FM (analog) (FM,P25) | — | Belle Glade, FL | |
| 19.0 | K9NJS | Clewiston K9NJS |
443.6000 | +5 | none | FM (analog) | — | Clewiston, FL | |
| 19.9 | W4TEJ | Lakeport W4TEJ |
147.3000 | +0.6 | TONE 100.0 | FM (analog) | — | Lakeport, FL | |
| 19.9 | W4TEJ | Lakeport W4TEJ |
444.0250 | +5 | TONE 100.0 | FM (analog) | — | Lakeport, FL | |
| 28.7 | W9VDS | Labelle W9VDS |
145.4700 | -0.6 | none | FM (analog) | — | Labelle, FL | |
| 30.7 | N4PSK | Indiantown N4PSK BM |
443.9000 | +5 | TONE 107.2 | FM (analog) (DMR,FM) | BrandMeister | — | Indiantown, FL |
| 30.9 | K4NBC | Indiantown K4NBC |
29.6800 | -0.1 | TONE 146.2 | FM (analog) | — | Indiantown, FL | |
| 30.9 | K4NBC | Indiantown K4NBC |
224.8000 | -1.6 | TONE 146.2 | FM (analog) | — | Indiantown, FL | |
| 32.7 | KI4UKP | Loxahatchee KI4UKP |
147.3600 | +0.6 | TSQL 110.9 | FM (analog) (FM,P25) | — | Loxahatchee, FL | |
| 33.3 | KK4UKG | West Palm Beach KK4UKG |
147.3600 | +0.6 | TONE 110.9 | FM (analog) (FM,P25) | — | West Palm Beach, FL | |
| 33.3 | W4PBC | West Palm Beach W4PBC |
444.2750 | +5 | TONE 110.9 | FM (analog) | — | West Palm Beach, FL | |
| 34.4 | K4OKE | Okeechobee K4OKE |
147.1950 | +0.6 | TONE 100.0 | FM (analog) | — | Okeechobee, FL | |
| 34.4 | K4OKE | Okeechobee K4OKE |
444.0500 | +5 | TSQL 100.0 | FM (analog) | — | Okeechobee, FL | |
| 34.7 | K4OKE | Okeechobee K4OKE |
147.0900 | +0.6 | TSQL 100.0 | FM (analog) | — | Okeechobee, FL | |
| 34.8 | KF4EA | Okeechobee KF4EA |
224.1000 | -1.6 | none | FM (analog) | — | Okeechobee, FL | |
| 36.4 | N4KJW | West Palm Beach N4KJW |
442.7500 | +5 | none | FM (analog) | — | West Palm Beach, FL | |
| 36.7 | WA4PAM | LaBelle EOC WA4PAM |
145.4700 | -0.6 | TSQL 97.4 | FM (analog) | — | LaBelle, FL | |
| 36.8 | KI4AYW | LaBelle KI4AYW |
145.4700 | -0.6 | TONE 97.4 | FM (analog) | — | LaBelle, FL | |
| 36.8 | NQ6U | LaBelle NQ6U BM |
442.5000 | +5 | CC9 | DMR | BrandMeister 311220 DMR-MARC | — | LaBelle, FL |
| 36.8 | N0JCC | Labelle N0JCC |
145.4700 | -0.6 | TONE 97.4 | FM (analog) | — | Labelle, FL | |
| 37.0 | WB2SNN | Loxahatchee WB2SNN |
444.3500 | +5 | TSQL 110.9 | FM (analog) | — | Loxahatchee, FL | |
| 37.5 | KB4MRX | Loxatchee KB4MRX |
224.7200 | -1.6 | TONE 103.5 | FM (analog) | — | Loxatchee, FL | |
| 37.6 | KA4EPS | Loxahatchee KA4EPS AllStar |
444.3000 | +5 | TSQL 110.9 | FM (analog) | AllStar | — | Loxahatchee, FL |
| 38.4 | W7RTK | Okeechobee W7RTK |
146.7000 | -0.6 | TONE 100.0 | FM (analog) | — | Okeechobee, FL | |
| 38.6 | W4ESA | Loxahatchee W4ESA |
146.8050 | -0.6 | TONE 88.5 | FM (analog) | — | Loxahatchee, FL | |
| 39.4 | W4SLC | Port St Lucie W4SLC BM |
442.0250 | +5 | none | FM (analog) (DMR,FM) | BrandMeister 311295 | — | Port St Lucie, FL |
| 39.6 | K2ELI | Loxahatchee K2ELI BM |
433.0125 | +5 | CC1 | DMR | BrandMeister 312486103 | — | Loxahatchee, FL |
| 39.8 | K4NRG | Ft Pierce K4NRG |
927.6000 | -25 | TONE 100.0 | FM (analog) | — | Ft Pierce, FL | |
| 39.9 | N4KVL | Loxahatchee N4KVL BM |
443.7250 | +5 | TSQL 110.9 | FM (analog) (DMR,FM,P25) | BrandMeister 311385 | — | Loxahatchee, FL |
| 40.0 | K4OKE | Okeechobee K4OKE |
53.3100 | -1 | none | FM (analog) | — | Okeechobee, FL | |
| 40.5 | KA2UFO | West Palm Beach KA2UFO |
444.3000 | +5 | TONE 110.9 | FM (analog) | — | West Palm Beach, FL | |
| 40.9 | KS4EC | Wellington KS4EC |
442.9000 | +5 | TONE 103.5 | FM (analog) | — | Wellington, FL | |
| 41.3 | K4WRC | Wellington K4WRC WIRES-X |
442.0500 | +5 | TSQL 103.5 | FM (analog) (C4FM,FM) | WIRES-X 18056 | — | Wellington, FL |
| 41.4 | W4SLC | Port Saint Lucie W4SLC |
147.0150 | +0.6 | TSQL 107.2 | FM (analog) | — | Port Saint Lucie, FL | |
| 41.4 | W4SLC | Port Saint Lucie W4SLC |
442.0000 | +5 | TONE 107.2 | FM (analog) | — | Port Saint Lucie, FL | |
| 42.2 | K3ALW | Port St Lucie K3ALW BM |
433.8000 | +5 | CC1 | DMR | BrandMeister 3158466 | — | Port St Lucie, FL |
| 42.5 | K4WRC | Wellington K4WRC IRLP |
147.2850 | +0.6 | TSQL 103.5 | FM (analog) (C4FM,FM) | EchoLink 475456 IRLP 4285 | — | Wellington, FL |
| 42.5 | K4WRC | Wellington K4WRC BM |
145.1900 | -0.6 | TSQL 103.5 | FM (analog) (DMR,FM) | BrandMeister 3149803 | — | Wellington, FL |
| 43.1 | W4BIY | Lehigh Acres W4BIY |
444.5750 | +5 | TONE 67.0 | FM (analog) | — | Lehigh Acres, FL | |
| 43.3 | N4DJJ | Ave Maria N4DJJ |
444.0750 | +5 | TSQL 103.5 | FM (analog) | — | Ave Maria, FL | |
| 44.3 | WV4I | Wellington Palms WV4I |
147.0450 | +0.6 | TSQL 110.9 | FM (analog) | — | Wellington, FL | |
| 44.3 | K4EEX | Lantana K4EEX |
443.9750 | +5 | TSQL 110.9 | FM (analog) | — | Lantana, FL | |
| 44.4 | KG6CXP | Lehigh Acres KG6CXP |
145.3500 | -0.6 | TONE 136.5 | FM (analog) | — | Lehigh Acres, FL | |
| 44.6 | WB4TWQ | Lehigh Acres WB4TWQ |
444.5000 | +5 | TONE 67.0 | FM (analog) | — | Lehigh Acres, FL | |
| 44.6 | WT2D | Lehigh Acres WT2D |
145.3700 | -0.6 | TONE 100.0 | FM (analog) | — | Lehigh Acres, FL | |
| 44.6 | WT2D | Lehigh Acres WT2D |
442.6000 | +5 | TSQL 100.0 | FM (analog) | — | Lehigh Acres, FL | |
| 44.9 | K4PKT | Wellington K4PKT FL-DMR |
442.9375 | +5 | CC1 | DMR | FL-DMR | — | Wellington, FL |
| 44.9 | N4KMM | West Palm Beach N4KMM |
147.3150 | +0.6 | TONE 110.9 | FM (analog) | — | West Palm Beach, FL | |
| 45.1 | N2FSU | Lehigh Acres N2FSU |
147.3750 | +0.6 | TONE 123.0 | FM (analog) | — | Lehigh Acres, FL | |
| 45.1 | N2FSU | Immokalee N2FSU |
146.8200 | -0.6 | TONE 123.0 | FM (analog) | — | Immokalee, FL | |
| 45.3 | N2FSU | Lehigh Acres N2FSU |
442.8750 | +5 | TONE 136.5 | FM (analog) | — | Lehigh Acres, FL | |
| 45.4 | N2FSU | Lehigh Acres N2FSU AllStar |
146.7150 | -0.6 | TSQL 74.4 | FM (analog) | AllStar 28332 EchoLink 29592 AllStar 29591 | — | Lehigh Acres, FL |
| 45.4 | W4MPX | Fort Myers W4MPX BM |
434.4500 | +5 | CC1 | DMR | BrandMeister 318461501 | — | Fort Myers, FL |
| 45.6 | NR4P | Lake Worth NR4P BM |
433.1000 | +5 | CC1 | DMR | BrandMeister 317501901 | — | Lake Worth, FL |
| 45.6 | KA4EPS | West Palm Beach KA4EPS AllStar |
444.1250 | +5 | TSQL 107.2 | FM (analog) | AllStar 27878 | — | West Palm Beach, FL |
| 45.7 | W4BIY | Lehigh Acres W4BIY BM |
442.8000 | +5 | CC1 | DMR | BrandMeister 312798 | — | Lehigh Acres, FL |
| 45.7 | W4BIY | Lehigh Acres W4BIY BM |
145.1500 | -0.6 | CC4 | DMR | BrandMeister 312831 | — | Lehigh Acres, FL |
| 45.7 | W4BIY | Lehigh Acres W4BIY BM |
927.6875 | -25 | CC6 | DMR | BrandMeister 312840 | — | Lehigh Acres, FL |
| 46.6 | WX3C | Boynton Beach WX3C |
442.1250 | +5 | none | FM (analog) | — | Boynton Beach, FL | |
| 46.6 | WX3C | Boynton Beach WX3C |
443.3250 | +5 | CC? | DMR | — | Boynton Beach, FL | |
| 46.7 | NI4CE | Lake Placid Happ NI4CE |
443.9500 | +5 | TSQL 100.0 | FM (analog) | 🗓 1 net | 1 net · 195 check-ins · 83 stations | Lake Placid, FL |
| 46.7 | W4HEM | Lake Placid W4HEM |
145.2100 | -0.6 | TSQL 100.0 | FM (analog) | — | Lake Placid, FL | |
| 46.8 | W4MPX | Fort Myers W4MPX BM |
434.5750 | +5 | CC1 | DMR | BrandMeister 318461503 | — | Fort Myers, FL |
| 46.8 | KQ4HVI | Fort Myers Lehig KQ4HVI AllStar |
147.3450 | +0.6 | TSQL 136.5 | FM (analog) | AllStar 546397 | — | Fort Myers, FL |
| 46.9 | W1RP | Lehigh Acres W1RP |
147.2850 | +0.6 | TONE 136.5 | FM (analog) | — | Lehigh Acres, FL | |
| 46.9 | KC4YEE | Florida KC4YEE BM |
439.5500 | +5 | CC1 | DMR | BrandMeister 3188082 | — | , FL |
| 46.9 | KW4G | Lake Placid KW4G AllStar |
147.0450 | +0.6 | TONE 100.0 | FM (analog) | AllStar 659372 | — | Lake Placid, FL |
| 46.9 | K4ZK | Stuart SFHS K4ZK |
147.0600 | +0.6 | TSQL 107.2 | FM (analog) | — | Stuart, FL | |
| 46.9 | W4HCA | Lake Placid Happ W4HCA |
442.7375 | +5 | Fusion (C4FM) | — | Lake Placid, FL | ||
| 46.9 | W4HCA | Lake Placid Happ W4HCA |
147.0450 | +0.6 | TSQL 100.0 | FM (analog) | — | Lake Placid, FL | |
| 47.0 | KM4ECQ | Lake Placid KM4ECQ |
442.7375 | +5 | CC? | DMR | — | Lake Placid, FL | |
| 47.0 | WW4EOC | Lake Placid WW4EOC |
444.5250 | +5 | TONE 203.5 | FM (analog) | — | Lake Placid, FL | |
| 47.0 | KK4LI | Lake Placid KK4LI |
443.9500 | +5 | TONE 100.0 | FM (analog) | — | Lake Placid, FL | |
| 47.0 | KW4G | Lake Placid KW4G AllStar |
442.7375 | +5 | TONE 100.0 | FM (analog) | AllStar 659371 | — | Lake Placid, FL |
| 47.2 | W2WDW Listed as W2WDW-LW |
Lake Worth W2WDW BM |
444.4750 | +5 | CC5 | DMR | BrandMeister 311207 BrandMeister 312855 | — | Lake Worth, FL |
| 47.3 | NI4CE | Lake Placid NI4CE |
442.8500 | +5 | TONE 100.0 | FM (analog) | 🗓 1 net | 1 net · 195 check-ins · 83 stations | Lake Placid, FL |
| 47.4 | KA3COZ | Palm City KA3COZ |
442.8500 | +5 | TONE 107.2 | FM (analog) | — | Palm City, FL | |
| 47.5 | W4JUP | West Solid Waste W4JUP |
146.7150 | -0.6 | TONE 110.9 | FM (analog) | 🗓 1 net | 1 net · 17 check-ins · 17 stations | West Palm Beach, FL |
| 47.8 | WA4FAP | West Palm Beach WA4FAP |
147.1650 | +0.6 | TONE 110.9 | FM (analog) | — | West Palm Beach, FL | |
| 48.1 | KD4SJF | Palm Beach Garde KD4SJF FL-DMR |
442.1000 | +5 | CC10 | DMR | FL-DMR | — | Palm Beach Gardens, FL |
| 48.2 | W1CEB | Lake Worth W1CEB BM |
433.0125 | +5 | CC1 | DMR | BrandMeister 3157770 | — | Lake Worth, FL |
| 48.3 | NR4P | Boynton Beach NR4P |
147.2250 | +0.6 | TONE 107.2 | FM (analog) | — | Boynton Beach, FL | |
| 48.5 | AG4BV | Jupiter Farms AG4BV |
145.1700 | -0.6 | TSQL 110.9 | FM (analog) | — | Jupiter Farms, FL | |
| 48.5 | WR4AKX | West Sewage Proc WR4AKX |
146.6700 | -0.6 | TONE 110.9 | FM (analog) | — | West Palm Beach, FL | |
| 48.5 | KZ4AC | Palm Beach Garde KZ4AC BM |
433.0125 | +5 | CC1 | DMR | BrandMeister 3192324 | — | Palm Beach Gardens, FL |
| 48.6 | NR4P | Boynton Beach NR4P BM |
444.6500 | +5 | CC2 | DMR | BrandMeister 314042 | — | Boynton Beach, FL |
| 48.7 | AD3N | Port St Lucie AD3N |
442.0000 | +5 | TONE 107.2 | FM (analog) | — | Port St Lucie, FL | |
| 48.7 | N0LO | Miles City N0LO |
444.9500 | +5 | TONE 110.9 | FM (analog) | — | Miles City, FL | |
| 48.7 | KA4EPS | Jupiter KA4EPS AllStar |
443.8250 | +5 | TSQL 110.9 | FM (analog) | AllStar 27873 | — | Jupiter, FL |
| 48.7 | N4KVL | West Palm Beach N4KVL |
147.3150 | +0.6 | TSQL 110.9 | FM (analog) (FM,P25) | — | West Palm Beach, FL | |
| 48.8 | WX3C | Lake Worth WX3C |
443.3750 | +5 | CC? | DMR | — | Lake Worth, FL | |
| 48.8 | W4YVM | Lake Worth W4YVM |
443.3750 | +5 | none | FM (analog) | — | Lake Worth, FL | |
| 48.8 | N4IRS | Palm City N4IRS HBLink |
927.6250 | -25 | CC1 | DMR | HBLink | — | Palm City, FL |
| 48.8 | KK4UKC | Palm City KK4UKC MARC |
444.9750 | +5 | CC7 | DMR | DMR-MARC | — | Palm City, FL |
| 48.9 | AC4JM | Boynton Beach AC4JM AllStar |
441.8500 | +5 | TONE 136.5 | FM (analog) | AllStar 66251 | — | Boynton Beach, FL |
| 49.4 | N4IRS | Palm City N4IRS |
927.6000 | -25 | CC1 | DMR | — | Palm City, FL | |
| 49.5 | K2HP | Lake Placid K2HP |
146.6700 | -0.6 | TONE 127.3 | FM (analog) | — | Lake Placid, FL | |
| 49.5 | KF4LZA | Coral Spring KF4LZA |
443.4500 | +5 | CC? | DMR | — | Coral Spring, FL | |
| 49.6 | W4HAW | West Palm Beach W4HAW |
146.7450 | -0.6 | TONE 110.9 | FM (analog) | — | West Palm Beach, FL | |
| 49.6 | KW4JM | GREENACRES KW4JM BM |
442.1000 | in 445.1000 | CC1 | DMR | BrandMeister 3196125 | — | GREENACRES, FL |
| 49.8 | K4NRG | Stuart K4NRG |
146.9850 | -0.6 | TONE 107.2 | FM (analog) | — | Stuart, FL | |
| 49.9 | K4PSL | Port Saint Lucie K4PSL |
443.6500 | +5 | TONE 107.2 | FM (analog) | — | Port Saint Lucie, FL | |
| 49.9 | KA3COZ | Stuart KA3COZ |
444.1500 | +5 | TSQL 107.2 | FM (analog) | — | Stuart, FL | |
| 49.9 | K2DMR | Port St Lucie K2DMR NJ-TURBO |
440.8500 | +5 | CC1 | DMR | NJ-TURBO | — | Port St Lucie, FL |
| 49.9 | AC4XQ | Port Saint Lucie AC4XQ |
443.8375 | +5 | CC9 | DMR | — | Port Saint Lucie, FL | |
| 32.7 | AG4BV offline | Indiantown AG4BV |
146.7300 | -0.6 | TONE 110.9 | FM (analog) | — | Indiantown, FL | |
| 32.7 | AG4BV offline | Indiantown AG4BV |
444.4500 | +5 | TSQL 110.9 | FM (analog) | — | Indiantown, FL | |
| 41.4 | N4KYS offline | West Palm Beach N4KYS MARC |
440.1450 | +5 | CC2 | DMR | DMR-MARC | — | West Palm Beach, FL |
| 42.6 | WB2NBU offline | Wellington WB2NBU IRLP |
147.2850 | +0.6 | none | FM (analog) | IRLP 7830 🗓 1 net | 1 net | Wellington, FL |
| 49.3 | N4IRS offline | Palm City N4IRS MARC |
438.3500 | in 430.7500 | CC1 | DMR | DMR-MARC | — | Palm City, FL |
| 50.0 | K4WPB offline | West Palm Beach K4WPB |
145.3200 | -0.6 | none | FM (analog) (DV,FM) | — | West Palm Beach, FL |