IPTA Pulsar Observation Database: Observations
| Pulsar | Telescope | Receiver | Backend | Frequency (MHz) | Project | Start (UT) | Start (MJD) | Duration (min:sec) | Submitter | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| J1640+2224 | Arecibo | 430 | PUPPI | 429.85 | NANOGrav | 2015-03-25T08:10:32 | 57106.34 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 424.21 | NANOGrav | 2015-03-31T07:48:57 | 57112.33 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.69 | NANOGrav | 2015-04-04T07:50:56 | 57116.33 | 22:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.74 | NANOGrav | 2015-04-06T07:23:01 | 57118.31 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.71 | NANOGrav | 2015-04-14T06:37:26 | 57126.28 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.83 | NANOGrav | 2015-04-21T06:13:42 | 57133.26 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 428.51 | NANOGrav | 2015-04-25T05:59:18 | 57137.25 | 22:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 436.08 | NANOGrav | 2015-04-27T05:50:16 | 57139.24 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 428.52 | NANOGrav | 2015-05-05T05:09:05 | 57147.21 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.59 | NANOGrav | 2015-06-13T02:58:02 | 57186.12 | 22:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.10 | NANOGrav | 2015-06-16T03:07:43 | 57189.13 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.79 | NANOGrav | 2015-06-27T01:53:06 | 57200.08 | 22:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.84 | NANOGrav | 2015-07-02T01:34:42 | 57205.07 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.31 | NANOGrav | 2015-07-20T00:20:13 | 57223.01 | 22:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.16 | NANOGrav | 2015-08-05T23:02:39 | 57239.96 | 22:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.22 | NANOGrav | 2015-08-08T23:19:58 | 57242.97 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.30 | NANOGrav | 2015-08-14T23:38:12 | 57248.98 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.02 | NANOGrav | 2015-08-23T22:33:57 | 57257.94 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.44 | NANOGrav | 2015-08-29T21:38:35 | 57263.90 | 22:01 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.09 | NANOGrav | 2015-08-31T22:25:42 | 57265.93 | 20:06 | kaplan |