Universal Licensing System
KNFM851
SIS CENTER INC
License details
| ULS identifier | 1622969 |
|---|
| Call sign | KNFM851 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-05-24 |
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| Expiration | 2034-04-14 |
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| Frequency range | 461.125 - 466.125 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SPRINGFIELD, HAMPDEN, MA |
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| Coordinates | 42.1031389, -72.5867500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:39 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.12500000 | | | 30.000000 | 180.000000 | |
| 2 | 1 | MO | 461.12500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.12500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.12500000 | | 11K2F3E |
| 2 | 1 | 461.12500000 | | 11K2F3E |
| 2 | 1 | 466.12500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1441 MAIN ST, SPRINGFIELD, HAMPDEN, MA | 42.10313889, -72.58675000 | 21.000 m | | 43.000 m structure / 43.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 52.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1441 MAIN ST, SPRINGFIELD, MA | HAMPDEN | 4137810066 |
License history
| Date | File or call sign | Action |
|---|
| 2024-05-24 | KNFM851 | LIMOD |
| 2024-05-24 | KNFM851 | LIREN |
| 2024-05-23 | KNFM851 | COR |
| 2024-05-22 | KNFM851 | COR |
| 2014-01-31 | KNFM851 | LIREN |
| 2014-01-30 | KNFM851 | ESCAPR |
| 2014-01-20 | KNFM851 | LETRES |
| 2012-06-07 | KNFM851 | LIMOD |
| 2004-02-19 | KNFM851 | LIREN |
| 2004-01-29 | KNFM851 | LIAUA |
| 2004-01-20 | KNFM851 | LETRES |
| 2001-08-31 | KNFM851 | AUDOPR |
| 2000-11-23 | KNFM851 | LICCNV |
| 1999-02-09 | KNFM851 | LIREN |
| 1999-02-09 | KNFM851 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1622969 | 2026-08-02 01:16:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFM851 | ULS 1622969 | 2026-08-02 01:16:39 |
| Status | A | ULS 1622969 | 2026-08-02 01:16:39 |
| Service | IG | ULS 1622969 | 2026-08-02 01:16:39 |
| Grant Date | 2024-05-24 | ULS 1622969 | 2026-08-02 01:16:39 |
| Expiration Date | 2034-04-14 | ULS 1622969 | 2026-08-02 01:16:39 |