Requirements Document
Version 1 (Jeremy Wright, 01/28/2014 02:35 pm)
| 1 | 1 | Jeremy Wright | h1. Ground Sphere Test Transmitter Requirements v0.1 |
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| 3 | 1 | Jeremy Wright | {{toc}} |
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| 5 | 1 | Jeremy Wright | h2. Technical Requirements |
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| 7 | 1 | Jeremy Wright | h4. TR 1.1 Transmit radio signals on 915 MHz |
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| 9 | 1 | Jeremy Wright | The *Ground Sphere Test Transmitter* will transmit radio signals on 915 MHz |
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| 11 | 1 | Jeremy Wright | h4. TR 1.2 Test Transmitter Mobility |
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| 13 | 1 | Jeremy Wright | Be mobile so that the terrestrial tests can be done by adding distance between the transmitter and Ground Sphere receiver |
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| 15 | 1 | Jeremy Wright | h4. TR 1.3 Be easy to assemble from kit components |
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| 17 | 1 | Jeremy Wright | h4. TR 1.4 Be easy to assemble from kit components |
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| 19 | 1 | Jeremy Wright | h4. TR 1.4.1 Tools for assembly |
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| 21 | 1 | Jeremy Wright | The *Ground Sphere* will only require simple tools (screw drivers, pliers, wrenches, etc) for assembly |
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| 23 | 1 | Jeremy Wright | h4. TR 1.4.2 Time to assemble |
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| 25 | 1 | Jeremy Wright | The *Ground Sphere Test Transmitter* will take no longer than 60 minutes (threshold)/30 minutes (objective) to assemble by an average maker |
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| 27 | 1 | Jeremy Wright | h3. TR 1.5 Have low shipping costs for the packaged kit |
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| 29 | 1 | Jeremy Wright | The *Ground Sphere Test Transmitter* kit will cost no more than $15 (threshold)/$7.50 (objective) to ship by ground across the USA. |
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| 31 | 1 | Jeremy Wright | h3. TR 1.6 Operate using a modern Windows PC |
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| 33 | 1 | Jeremy Wright | h4. TR 1.6.1 Software must run on Windows |
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| 35 | 1 | Jeremy Wright | The *Ground Sphere Test Transmitter* software must run on Windows 7 or Windows 8 (32bit or 64bit) |
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| 37 | 1 | Jeremy Wright | h4. TR 1.6.2 Software must be easy to install |
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| 39 | 1 | Jeremy Wright | The *Ground Sphere Test Transmitter* software must ship in a Windows installer |
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| 41 | 1 | Jeremy Wright | h4. TR 1.7 Hardware must connect to PC using standard port(s) |
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| 43 | 1 | Jeremy Wright | The *Ground Sphere Test Transmitter* radio must connect to the ground station computer through a commonly available port (for example: USB) |
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| 45 | 1 | Jeremy Wright | h3. TR 1.8 Hardware must be robust |
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| 47 | 1 | Jeremy Wright | The *Ground Sphere Test Transmitter* hardware should minimize the opportunity for mechanical failures (from things such as broken connectors or a lack of strain relief) |
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| 49 | 1 | Jeremy Wright | h2. Project Requirements |
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| 51 | 1 | Jeremy Wright | h3. PR 1.1 Number to produce |
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| 53 | 1 | Jeremy Wright | The *Ground Sphere Test Transmitter* design must enable the production of at least 30 +/- 5 v1.0 kits by volunteers in one or more makerspaces |
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| 55 | 1 | Jeremy Wright | h3. PR 2.1 Budget |
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| 57 | 1 | Jeremy Wright | h4. PR 2.1.1 Unit cost |
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| 59 | 1 | Jeremy Wright | The materials cost must be under $75 per kit. |
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| 61 | 1 | Jeremy Wright | h4. PR 2.1.2 Development cost |
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| 63 | 1 | Jeremy Wright | The project budget (covering three prototypes) must be no more than $200 (threshold)/$100 (objective) |
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| 65 | 1 | Jeremy Wright | h3. PR 3.1 Timeline |
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| 67 | 1 | Jeremy Wright | Version 1.0 of the *Ground Sphere* will be ready for kit production no later than Feb 14, 2014. |