IPTA Pulsar Observation Database: Observations
| Pulsar | Telescope | Receiver | Backend | Frequency (MHz) | Project | Start (UT) | Start (MJD) | Duration (min:sec) | Submitter | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1417.41 | NANOGrav | 2019-02-03T15:29:31 | 58517.65 | 22:55 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1481.28 | NANOGrav | 2019-03-06T13:12:33 | 58548.55 | 01:52 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1431.24 | NANOGrav | 2019-04-07T11:14:50 | 58580.47 | 20:53 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1427.73 | NANOGrav | 2019-05-05T09:20:35 | 58608.39 | 22:05 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1447.19 | NANOGrav | 2019-06-01T08:34:14 | 58635.36 | 22:15 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1430.19 | NANOGrav | 2019-07-07T05:19:53 | 58671.22 | 22:15 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1413.08 | NANOGrav | 2019-08-04T03:24:44 | 58699.14 | 21:44 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1377.69 | NANOGrav | 2019-09-03T01:24:13 | 58729.06 | 21:44 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1399.68 | NANOGrav | 2019-10-02T23:33:52 | 58758.98 | 22:25 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1465.15 | NANOGrav | 2019-10-30T21:26:47 | 58786.89 | 04:15 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1426.23 | NANOGrav | 2019-10-30T21:46:53 | 58786.91 | 22:55 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1409.04 | NANOGrav | 2019-12-10T19:21:36 | 58827.81 | 22:25 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1425.62 | NANOGrav | 2019-12-31T17:49:15 | 58848.74 | 22:25 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1466.05 | NANOGrav | 2020-02-02T16:23:35 | 58881.68 | 22:45 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1438.80 | NANOGrav | 2020-03-02T13:44:03 | 58910.57 | 20:53 | kaplan | |
| B1937+21 | GBT | Rcvr1_2 | GUPPI | 1426.36 | NANOGrav | 2020-04-05T11:35:39 | 58944.48 | 20:43 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 829.14 | NANOGrav | 2004-09-27T05:24:26 | 53275.23 | 12:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 827.23 | NANOGrav | 2004-09-27T06:10:38 | 53275.26 | 12:01 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 831.40 | NANOGrav | 2004-09-27T07:16:15 | 53275.30 | 04:00 | kaplan | |
| B1937+21 | GBT | Rcvr_800 | GASP | 826.21 | NANOGrav | 2004-10-15T02:39:03 | 53293.11 | 21:02 | kaplan |