Universal Licensing System
WSNA401
IMPLECHO
License details
| ULS identifier | 5312216 |
|---|
| Call sign | WSNA401 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2026-06-01 |
|---|
| Expiration | 2026-06-30 |
|---|
| Frequency range | 451.7875 - 457.9875 MHz (16 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | San Francisco, SAN FRANCISCO, CA |
|---|
| Coordinates | 37.7841111, -122.4013889 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:24:19 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.78750000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 451.78750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 451.86250000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 451.86250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 451.93750000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 451.93750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.28750000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 452.28750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.31250000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 452.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.41250000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 452.41250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.76250000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 452.76250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.98750000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 452.98750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.78750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.86250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.93750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.28750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.31250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.41250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.76250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.98750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.78750000 | | 7K60FXE |
| 1 | 1 | 451.78750000 | | 7K60FXD |
| 2 | 1 | 451.78750000 | | 7K60FXE |
| 2 | 1 | 451.78750000 | | 7K60FXD |
| 1 | 1 | 451.86250000 | | 7K60FXD |
| 1 | 1 | 451.86250000 | | 7K60FXE |
| 2 | 1 | 451.86250000 | | 7K60FXE |
| 2 | 1 | 451.86250000 | | 7K60FXD |
| 1 | 1 | 451.93750000 | | 7K60FXD |
| 1 | 1 | 451.93750000 | | 7K60FXE |
| 2 | 1 | 451.93750000 | | 7K60FXE |
| 2 | 1 | 451.93750000 | | 7K60FXD |
| 1 | 1 | 452.28750000 | | 7K60FXE |
| 1 | 1 | 452.28750000 | | 7K60FXD |
| 2 | 1 | 452.28750000 | | 7K60FXE |
| 2 | 1 | 452.28750000 | | 7K60FXD |
| 1 | 1 | 452.31250000 | | 7K60FXE |
| 1 | 1 | 452.31250000 | | 7K60FXD |
| 2 | 1 | 452.31250000 | | 7K60FXE |
| 2 | 1 | 452.31250000 | | 7K60FXD |
| 1 | 1 | 452.41250000 | | 7K60FXE |
| 1 | 1 | 452.41250000 | | 7K60FXD |
| 2 | 1 | 452.41250000 | | 7K60FXD |
| 2 | 1 | 452.41250000 | | 7K60FXE |
| 1 | 1 | 452.76250000 | | 7K60FXD |
| 1 | 1 | 452.76250000 | | 7K60FXE |
| 2 | 1 | 452.76250000 | | 7K60FXD |
| 2 | 1 | 452.76250000 | | 7K60FXE |
| 1 | 1 | 452.98750000 | | 7K60FXD |
| 1 | 1 | 452.98750000 | | 7K60FXE |
| 2 | 1 | 452.98750000 | | 7K60FXE |
| 2 | 1 | 452.98750000 | | 7K60FXD |
| 2 | 1 | 456.78750000 | | 7K60FXD |
| 2 | 1 | 456.78750000 | | 7K60FXE |
| 2 | 1 | 456.86250000 | | 7K60FXE |
| 2 | 1 | 456.86250000 | | 7K60FXD |
| 2 | 1 | 456.93750000 | | 7K60FXE |
| 2 | 1 | 456.93750000 | | 7K60FXD |
| 2 | 1 | 457.28750000 | | 7K60FXE |
| 2 | 1 | 457.28750000 | | 7K60FXD |
| 2 | 1 | 457.31250000 | | 7K60FXE |
| 2 | 1 | 457.31250000 | | 7K60FXD |
| 2 | 1 | 457.41250000 | | 7K60FXE |
| 2 | 1 | 457.41250000 | | 7K60FXD |
| 2 | 1 | 457.76250000 | | 7K60FXE |
| 2 | 1 | 457.76250000 | | 7K60FXD |
| 2 | 1 | 457.98750000 | | 7K60FXD |
| 2 | 1 | 457.98750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 747 Howard St., San Francisco, SAN FRANCISCO, CA | 37.78411111, -122.40138889 | 9.000 m | B | 9.100 m structure / 9.100 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.100 m | | | | -3.700 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | W239N2890 Pewaukee Rd, Ste E, Pewaukee, WI | WAUKESHA | 8772040225 |
Special conditions
| Type | Condition code |
|---|
| P | 5004 |
| T | 1003 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-02 | WSNA401 | PLAUPR |
| 2026-06-01 | WSNA401 | COR |
| 2026-06-01 | WSNA401 | INTDUP |
| 2026-06-01 | WSNA401 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5312216 | 2026-08-02 01:24:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSNA401 | ULS 5312216 | 2026-08-02 01:24:19 |
| Status | A | ULS 5312216 | 2026-08-02 01:24:19 |
| Service | IG | ULS 5312216 | 2026-08-02 01:24:19 |
| Grant Date | 2026-06-01 | ULS 5312216 | 2026-08-02 01:24:19 |
| Expiration Date | 2026-06-30 | ULS 5312216 | 2026-08-02 01:24:19 |