Technology GBT Technology Prime Focus Receivers Name AstrID Name Frequency Range [MHz] Polarization Beams Polns/Beam Trec Tsys Prime Focus 1 Rcvr_342 Rcvr_450 Rcvr_600 Rcvr_800 290 – 395 385 – 520 510 – 690 680 – 920 Linear / Circular 1 2 12 22 12 21 46 43 22 29 Prime Focus 2 Rcvr_1070 910 – 1230 Linear / Circular 1 2 10 UWBR Rcvr_2500 700 – 4200 Gregorian Focus Receivers Name AstrID Name Band Frequency Range [GHz] Polarization Beams Polns/Beam Trec [K] Tsys [K] L Rcvr1_2 1.15 – 1.73 Linear / Circular 1 2 6 20 S Rcvr2_3 1.73 – 2.60 Linear / Circular 1 2 8-12 22 C Rcvr4_6 3.95 – 7.8 Linear / Circular 1 2 5 18 X Rcvr8_10 7.8 – 12.0 Circular 1 2 20 30 Ku Rcvr12_18 12.0 – 15.4 Circular 2 2 14 30 KFPA RcvrArray18_26 18.0 – 27.5 Circular 7 2 15-25 30-45 Ka Rcvr26_40 MM-F1 MM-F2 MM-F3 26.0 – 31.0 30.5 – 37.0 36.0 – 39.5 Linear 2 1 20 20 20 35 30 45 Q Rcvr40_52 39.2 – 50.5 Circular 2 2 40-70 67-134 W Rcvr68_92 FL1 FL2 FL3 FL4 67 – 74 73 – 80 79 – 86 85 – 92 Linear / Circular 2 2 50 50 50 60 160 120 100 110 Argus RcvrArray75_115 74 – 116 Linear 16 1 40-80 110 MUSTANG-2 Rcvr_MBA1_5 75 – 105 — 215 — In the News Radar Echoes From Europa Reveal Secrets Beneath the Ice June 16, 2026 | News Release A team of scientists has used NASA’s Goldstone Solar System Radar and the U.S. National Science Foundation Green Bank… NSF NRAO at 248th American Astronomical Society Meeting, Science Featured in Six Press Conferences June 12, 2026 | News Release Astronomers using the U.S. National Science Foundation National Radio Astronomy Observatory (NSF NRAO) instruments are unveiling new scientific research… “There are 4 people in those pixels.” NSF Green Bank Observatory Shares Images, Data From Artemis II Mission May 6, 2026 | News Release The U.S. National Science Foundation Green Bank Telescope (NSF GBT) produced these data and images while supporting NASA’s Artemis… See All
