Facilities > VLA > Observing > RFI > RFI at L-Band (1-2 GHz)

RFI at L-Band (1-2 GHz)

by Emmanuel Momjian last modified Feb 28, 2017 by Heidi Medlin
Frequency (MHz)DescriptionOriginClassificationSpectrum
1000.0 RATSCAT Low FQ NM, WSMR Intermittent plot
1030 Aeronautical IFF, gnd2air OHD, Everywhere Intermittent plot
1025-1150 Aircraft navigation DME DME/VOR sites intermittent plot
1090 Aeronautical IFF, air2gnd OHD, Everywhere Intermittent plot
1166-1186 GPS,Galileo,GLONASS L5 OHD, MEO Continuous plot
1200 VLA modem VLA Site Continuous plot
1222.5-1223.5 TARS Pulsed radar AZ, Ft Huachuca, Pulsed & intermittent
1217-1237 GPS L2 OHD, MEO Continuous plot
1231 AEROSTAT TX, FT Bliss Malfunction plot
1233.71 FAA ARSR4 radar Continuous plot
1235 AEROSTAT Malfunction plot
1243-1251 GLONASS L2 OHD, MEO Continuous plot
1251.5-1252.5 TARS pulsed radar NM, Deming Pulsed & Intermittant plot
1254.42 FAA ARSR4 radar NM, Deming Continuous plot
1262.19 FAA ARSR4 radar NM, Eagle Peak Continuous plot
1268 COMPASS E6 plot
1282.5-1283.5 TARS pulsed radar AZ, Ft Huachuca Pulsed & Intermittant
1291 AEROSTAT TX, FT Bliss Malfunction plot
1295 AEROSTAT TX, FT Bliss Malfunction plot
1310 FAA ASR radar NM, Albuquerque Continuous plot
1311.5-1312.5 TARS pulsed radar NM, Deming Pulsed & Intermittant plot
1317 FAA ARSR4 radar Continuous plot
1330 FAA ASR radar NM, Albuquerque plot
1337.28 FAA ARSR4 radar NM, Deming Continuous plot
1345.04 FAA ARSR4 radar NM, Eagle Peakk Continuous plot
1357 WSMR RAJPO transponder NM, WSMR Intermittent plot
1365 WSMR RAJPO transponder NM, WSMR Intermittent plot
1369 WSMR RAJPO transponder NM, WSMR Intermittent plot
1376-1386 GPS L3 NUDET OHD Intermittent plot
1385 WSMR RAJPO transponder NM, WSMR Intermittent plot
1393 WSMR RAJPO transponder NM, WSMR Intermittent plot
1400 internal birdie ea13 continuous
1408 internal birdie numerous antennas continuous
1432.5 WSMR RAJPO transponder NM, WSMR Intermittent plot
1437-1453 WSMR telemetry NM, WSMR Intermittent plot
1444.5 High alt balloon NM, FT Sumner Intermittent plot
1448.5 Test telemetry NM, FT Bliss Intermittent plot
1452.5 Test telemetry NM, FT Bliss Intermittent plot
1453.5 High alt baloon NM, FT Sumner Intermittent plot
1460.5 Test telemetry NM, FT Bliss Intermittent plot
1501.5 High alt baloon NM, FT Sumner Intermittent plot
1504.5 WSMR jamming telemetry NM, WSMR Intermittent plot
1515.5 High alt baloon NM, FT Sumner Intermittent plot
1525-1564 INMARSAT satellites plot
1525.5 High alt baloon NM, FT Sumner Intermittent plot
1529.5 Test telemetry NM, FT Bliss Intermittent plot
1530.5 WSMR jamming telemetry NM, WSMR Intermittent plot
1565.42 GPS L1 jamming NM, WSMR Continuous plot
1564-1586 GPS L1 OHD Continuous plot
1585.42 GPS L1 jamming NM, WSMR Continuous plot
1606.0 GLONASS L1 OHD Continuous plot
1616.0 GLONASS L1 OHD Continuous plot
1618-1627 IRIDIUM satellites OHD Continuous plot
1642 2nd harmonic VLA radios Sporadic plot
1668-1680 RADIOSONDES- WX baloons Intermittent plot
1683-1687 GOES weather satellite plot
1689-1693 GOES weather satellite plot
1700-1702 NOAA weather satellite plot
1705-1709 NOAA weather satellite plot
1771.0 High alt baloon NM, FT Sumner Intermittent plot
1850-1990 PCS cell phone base stations Everywhere Continuous plot