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 | 432.85 | NANOGrav | 2012-12-16T14:29:44 | 56277.60 | 20:37 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.58 | NANOGrav | 2013-01-07T12:47:57 | 56299.53 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.70 | NANOGrav | 2013-02-18T10:30:29 | 56341.44 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.27 | NANOGrav | 2013-03-09T09:06:05 | 56360.38 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 426.86 | NANOGrav | 2013-03-29T07:32:09 | 56380.31 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 435.57 | NANOGrav | 2013-04-17T06:24:12 | 56399.27 | 20:06 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 436.15 | NANOGrav | 2013-05-05T05:14:04 | 56417.22 | 15:54 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.46 | NANOGrav | 2013-05-26T03:42:30 | 56438.15 | 15:23 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 432.11 | NANOGrav | 2013-06-15T02:29:24 | 56458.10 | 26:34 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.94 | NANOGrav | 2013-07-06T01:05:52 | 56479.05 | 26:23 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 424.17 | NANOGrav | 2013-07-25T00:04:12 | 56498.00 | 17:39 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 429.93 | NANOGrav | 2013-08-14T22:36:30 | 56518.94 | 25:20 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 433.28 | NANOGrav | 2013-09-02T21:15:24 | 56537.89 | 25:10 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 431.42 | NANOGrav | 2013-09-22T19:53:12 | 56557.83 | 25:10 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 430.29 | NANOGrav | 2013-10-12T18:36:12 | 56577.78 | 25:10 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 438.47 | NANOGrav | 2013-11-23T16:30:30 | 56619.69 | 25:10 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 426.85 | NANOGrav | 2013-12-14T14:27:13 | 56640.60 | 25:10 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 428.96 | NANOGrav | 2014-01-05T13:05:31 | 56662.55 | 25:10 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 428.64 | NANOGrav | 2014-03-22T08:43:17 | 56738.36 | 22:33 | kaplan | |
| J1640+2224 | Arecibo | 430 | PUPPI | 434.19 | NANOGrav | 2014-07-15T01:20:15 | 56853.06 | 22:33 | kaplan |