Universal Licensing System
WQDN501
TETRA TECH EC INC
License details
| ULS identifier | 2753080 |
|---|
| Call sign | WQDN501 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-07-19 |
|---|
| Expiration | 2035-10-07 |
|---|
| Frequency range | 461.1375 - 466.2875 MHz (13 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | AK |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:26:08 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 151.50500000 | | | 40.000000 | 80.000000 | |
| 1 | 1 | MOI | 151.62500000 | | | 40.000000 | 80.000000 | |
| 1 | 1 | MOI | 151.70000000 | | | 35.000000 | 80.000000 | |
| 1 | 1 | MOI | 151.76000000 | | | 35.000000 | 80.000000 | |
| 1 | 1 | MOI | 158.40000000 | | | 40.000000 | 80.000000 | |
| 1 | 1 | MOI | 451.80000000 | | | 40.000000 | 80.000000 | |
| 2 | 1 | MOI | 451.80000000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MOI | 451.81250000 | | | 40.000000 | 80.000000 | |
| 2 | 1 | MOI | 451.81250000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MOI | 456.80000000 | | | 40.000000 | 80.000000 | |
| 2 | 1 | MOI | 456.80000000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MOI | 456.81250000 | | | 40.000000 | 80.000000 | |
| 2 | 1 | MOI | 456.81250000 | | | 4.000000 | 3.000000 | |
| 3 | 1 | MOI | 461.13750000 | | | 4.000000 | 3.000000 | |
| 3 | 1 | MOI | 461.13750000 | | | 4.000000 | 3.000000 | |
| 3 | 1 | MOI | 461.16250000 | | | 4.000000 | 3.000000 | |
| 3 | 1 | MOI | 461.16250000 | | | 4.000000 | 3.000000 | |
| 3 | 1 | MOI | 461.21250000 | | | 4.000000 | 3.000000 | |
| 3 | 1 | MOI | 461.28750000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MOI | 464.50000000 | | | 35.000000 | 80.000000 | |
| 1 | 1 | FB2I | 464.50000000 | | | 35.000000 | 80.000000 | |
| 2 | 1 | MOI | 464.50000000 | | | 4.000000 | 3.000000 | |
| 2 | 1 | FB2I | 464.50000000 | | | 25.000000 | 18.000000 | |
| 1 | 1 | MOI | 464.55000000 | | | 35.000000 | 80.000000 | |
| 1 | 1 | FB2I | 464.55000000 | | | 35.000000 | 80.000000 | |
| 2 | 1 | FB2I | 464.55000000 | | | 25.000000 | 18.000000 | |
| 2 | 1 | MOI | 464.55000000 | | | 4.000000 | 3.000000 | |
| 4 | 1 | FBT | 464.60000000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FBT | 464.62500000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FBT | 464.65000000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FBT | 464.72500000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FBT | 464.75000000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MOI | 466.21250000 | | | 4.000000 | 3.000000 | |
| 3 | 1 | MOI | 466.28750000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MOI | 469.50000000 | | | 35.000000 | 80.000000 | |
| 2 | 1 | MOI | 469.50000000 | | | 4.000000 | 3.000000 | |
| 1 | 1 | MOI | 469.55000000 | | | 35.000000 | 80.000000 | |
| 2 | 1 | MOI | 469.55000000 | | | 4.000000 | 3.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.50500000 | | 11K2F3E |
| 1 | 1 | 151.62500000 | | 11K2F3E |
| 1 | 1 | 151.70000000 | | 11K2F3E |
| 1 | 1 | 151.76000000 | | 11K2F3E |
| 1 | 1 | 158.40000000 | | 11K2F3E |
| 1 | 1 | 451.80000000 | | 11K2F3E |
| 2 | 1 | 451.80000000 | | 11K2F3E |
| 1 | 1 | 451.81250000 | | 11K2F3E |
| 2 | 1 | 451.81250000 | | 11K2F3E |
| 1 | 1 | 456.80000000 | | 11K2F3E |
| 2 | 1 | 456.80000000 | | 11K2F3E |
| 1 | 1 | 456.81250000 | | 11K2F3E |
| 2 | 1 | 456.81250000 | | 11K2F3E |
| 3 | 1 | 461.13750000 | | 11K2F3E |
| 3 | 1 | 461.13750000 | | 11K2F3E |
| 3 | 1 | 461.16250000 | | 11K2F3E |
| 3 | 1 | 461.16250000 | | 11K2F3E |
| 3 | 1 | 461.21250000 | | 11K2F3E |
| 3 | 1 | 461.28750000 | | 11K2F3E |
| 1 | 1 | 464.50000000 | | 11K2F3E |
| 1 | 1 | 464.50000000 | | 11K2F3E |
| 2 | 1 | 464.50000000 | | 11K2F3E |
| 2 | 1 | 464.50000000 | | 11K2F3E |
| 1 | 1 | 464.55000000 | | 11K2F3E |
| 1 | 1 | 464.55000000 | | 11K2F3E |
| 2 | 1 | 464.55000000 | | 11K2F3E |
| 2 | 1 | 464.55000000 | | 11K2F3E |
| 4 | 1 | 464.60000000 | | 11K0G1D |
| 4 | 1 | 464.62500000 | | 11K0G1D |
| 4 | 1 | 464.65000000 | | 11K0G1D |
| 4 | 1 | 464.72500000 | | 11K0G1D |
| 4 | 1 | 464.75000000 | | 11K0G1D |
| 3 | 1 | 466.21250000 | | 11K2F3E |
| 3 | 1 | 466.28750000 | | 11K2F3E |
| 1 | 1 | 469.50000000 | | 11K2F3E |
| 2 | 1 | 469.50000000 | | 11K2F3E |
| 1 | 1 | 469.55000000 | | 11K2F3E |
| 2 | 1 | 469.55000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CO | | | | | |
| 2 | T | AK | | 0.000 m | | | N |
| 3 | T | | | 0.000 m | | | N |
| 4 | T | | | 0.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 15784 W 6TH AVE, GOLDEN, CO | JEFFERSON | 3032795587 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-19 | WQDN501 | LIREN |
| 2025-07-14 | WQDN501 | LETRES |
| 2015-10-01 | WQDN501 | LIREN |
| 2015-09-24 | WQDN501 | LTSAPR |
| 2015-07-13 | WQDN501 | LETRES |
| 2015-03-30 | WQDN501 | LIMOD |
| 2013-08-22 | WQDN501 | LIMOD |
| 2005-10-07 | WQDN501 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2753080 | 2026-08-02 01:26:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDN501 | ULS 2753080 | 2026-08-02 01:26:08 |
| Status | A | ULS 2753080 | 2026-08-02 01:26:08 |
| Service | IG | ULS 2753080 | 2026-08-02 01:26:08 |
| Grant Date | 2025-07-19 | ULS 2753080 | 2026-08-02 01:26:08 |
| Expiration Date | 2035-10-07 | ULS 2753080 | 2026-08-02 01:26:08 |