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The table below shows the history of the USArray deployment in a year month format, starting from the current month, and going back to the first month of the deployment. Network colors are identical to the current station deployment page legend. The number in each table cell corresponds to how many stations from that network were contributing to the USArray experiment that month.

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History of the USArray deployment by year, month and network
Year and month Networks
AZ BK CI IU NN TA US UU Total
Year and month AZ BK CI IU NN TA US UU Total
Networks
2009
11 2 0 40 3 0 419 20 0 484
10 2 0 40 3 0 428 20 0 493
9 2 0 40 3 0 420 20 0 485
8 2 0 40 3 0 420 20 0 485
7 2 0 40 3 0 413 20 0 478
6 2 0 40 3 0 414 20 1 480
5 2 0 40 3 0 412 20 1 478
4 2 0 40 3 0 408 20 1 474
3 2 0 40 3 0 404 20 1 470
2 2 0 40 3 2 402 20 1 470
1 2 0 40 3 2 405 20 1 473
2008
12 2 0 40 3 2 409 20 1 477
11 2 0 40 3 2 411 20 1 479
10 2 0 40 3 2 408 20 1 476
9 2 0 40 3 2 406 20 1 474
8 2 0 40 3 2 405 21 1 474
7 2 0 40 1 2 403 11 1 460
6 2 0 40 1 2 399 11 1 456
5 2 0 40 1 2 394 11 1 451
4 2 0 40 1 2 391 11 1 448
3 2 0 40 1 2 393 11 1 450
2 2 0 40 1 2 382 11 1 439
1 2 0 40 1 2 366 11 1 423
2007
12 2 0 40 1 2 370 11 1 427
11 2 19 40 1 2 378 11 1 454
10 3 19 40 1 2 373 11 1 450
9 2 19 40 1 2 368 8 1 441
8 2 19 40 1 2 350 8 1 423
7 2 19 40 1 2 334 8 1 407
6 2 19 40 1 2 315 8 0 387
5 2 19 40 1 2 301 8 0 373
4 2 19 40 1 2 287 8 0 359
3 2 19 40 1 2 272 8 0 344
2 2 19 40 1 2 255 8 0 327
1 2 19 40 1 2 240 8 0 312
2006
12 2 19 40 1 2 230 8 0 302
11 2 19 40 1 2 221 8 0 293
10 2 19 40 1 2 207 8 0 279
9 2 19 40 1 2 189 7 0 260
8 2 19 41 1 2 168 1 0 234
7 2 19 41 1 2 147 0 0 212
6 2 19 41 1 2 138 0 0 203
5 2 19 41 1 2 123 0 0 188
4 2 19 41 1 2 104 0 0 169
3 2 19 41 0 2 96 0 0 160
2 2 19 41 0 2 79 0 0 143
1 2 18 41 0 1 69 0 0 131
2005
12 2 18 41 0 1 68 0 0 130
11 2 18 41 0 0 63 0 0 124
10 2 18 41 0 0 51 0 0 112
9 2 18 39 0 1 42 0 0 102
8 2 17 40 0 0 41 0 0 100
7 2 17 40 0 0 36 0 0 95
6 2 17 40 0 0 33 0 0 92
5 2 17 40 0 0 27 0 0 86
4 2 17 40 0 0 23 0 0 82
3 2 17 40 0 0 18 0 0 77
2 2 18 40 0 0 17 0 0 77
1 2 17 40 0 0 14 0 0 73
2004
12 2 17 40 0 0 13 0 0 72
11 2 17 40 0 0 7 0 0 66
10 2 17 40 0 0 6 0 0 65
9 2 17 40 0 0 6 0 0 65
8 2 17 40 0 0 4 0 0 63
7 2 17 41 0 0 4 0 0 64
6 2 17 42 0 0 3 0 0 64
5 2 17 39 0 0 2 0 0 60
4 2 17 43 0 0 0 0 0 62