 +----------------------------------------------------+
 |                         k                          |
 |    +-----------------------+                       |
 |    |      cell tower       |                       |
 |    |                       |                       |
 |    |      /---------/      |                       |
 |    |     /         /       |                       |
 |    |    |satellites        |                       |
 |    |     \         \       |                       |
 |    |      \_________\      | +----------------+    |
 |    |       |   |    |      | | online portal  |    |
 |    |       |   |    |      | |                |    |
 |    |       |   |    |      | |      /--\      |    |
 |    |       |   |    |      | |     /    \     |    |
 |    |       |   |    |      | |     \ ui /     |    |
 |    |     sendsend send     | |      \__/      |    |
 |    |       |   |    |      | |                |    |
 |    |       |   |    |      | +----------------+    |
 |    |       v   v    v      |                       |
 |    |     +------------+    |                       |
 |    |     |transmitter |    |                       |
 |    |     |            |    |                       |
 |    |     +------------+    |                       |
 |    |           |           |                       |
 |    +-----------|-----------+                       |
 |                |                                   |
 |           phone logs                               |
 |                |                                   |
 |     +----------|--------+                          |
 |     |  data processor   |                          |
 |     |          v        |                          |
 |     |    .-------.      |                          |
 |     |   |\-_____-/|     |                          |
 |     |   |         |     |                          |
 |     |   | storage |     |                          |
 |     |   |         |     |                          |
 |     |    \-_____-/      |                          |
 |     |                   |                          |
 |     +-------------------+                          |
 |                                                    |
 +----------------------------------------------------+
