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# Ground Systems

<div>
  <center>[[!img GroundTeamHome/th_double_tents.jpg size="320x240"]] [[!img GroundTeamHome/rj_loading.jpg size="320x240"]]</center>
</div>

> "And wow! Hey! What's this thing coming towards me very fast? Very very fast. So big and flat and round, it needs a big wide sounding word like... ow... ound... round... ground! That's it! That's a good name - ground! I wonder if it will be friends with me?" -- An unexpectedly descending whale, The Hitchhikers Guide to the Galaxy, Douglas Adams.

[[!toc levels="2"]]

## Overview

The Ground Systems Team designs and implements all of the ground-based rocket deployment and support equipment. There is no email discussion list for the ground support team at this time, but discussions frequently occur on the [software list](http://lists.psas.pdx.edu/mailman/listinfo/psas-software).

We have a [[Launch Control Module (LCM)|LaunchControlModule]]: which houses the flight controllers and a bunch of Linux-based computers. We also have a computer-controlled [[Launch Tower (LT)|LaunchTower]] which launches the rocket remotely. Using Wifi (802.11b) links, we can even separate the LCM and the LT by a few miles.

## System Diagrams

- [[GroundConnectionsLv2]] - connection diagrams for the LV2 ground system.

## Base Camp

- [[Launch Control Module (LCM)|LaunchControlModule]]
- Two "CostCo" car ports which we use as a workstation

## Away Cell

- [[Launch Tower electronics v3 Overview|GroundTeamHome/Launch_tower_v2]]
- [[Launch Tower electronics - Ignition Path & Safety Interlocks|Launch_Tower_Ignition_Path]]
- [[Launch Tower electronics - Ignition Board|Launch_Tower_Ignition_Board]]
- [[Launch Tower electronics - Power Interface Board|Launch_Tower_Power_Interface_Board]]
- [[Launch Tower electronics - Beagle Board|Launch_Tower_Power_Beagle_Board]]
- [[Launch Tower Instructions|Launch Tower Instructions]]
- [[Launch Tower Computer Test Diagnostic Instructions]]

## Old Stuff

- LV1/1b Ground Support: [[GroundSupport]]
- [[Hardware for LV2 Emergency Uplink|Lv2EmergencyUplinkGroundStation]]
- [[Software for LV2 emergency Uplink|Lv2EmergencyUplinkGroundSoftware]]
- [[LaunchControl]] software.
- [[Launch Computer to VCR hardware link|LaunchComputerVcrLink]]
- [[Launch Tower|LaunchTower]]
- [[Launch Tower electronics|Lv2LaunchTowerElectronics]]

## Future Stuff

- [[Count Down Clock|countdownclock]]
- [[Standardized written launch procedures (checklist)|launchprocedures]]