Summary of STS.01
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Page 1 of 14 sts.01 spartan iridium transceiver antenna system user manual.
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Page 2 of 14 contents 1. Introduction .................................................................................................................................. 3 2. Installation ....................................................................................................................
Page 3: 1. Introduction
Page 3 of 14 1. Introduction this document covers details and usage of the spartan sts.01 product. The document includes installation and functional instructions for the user. 2. Installation the device needs to be installed so that it has a clear view of the sky. The flat, metal base plate should b...
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Page 4 of 14 figure 1 - proper device orientation.
Page 5: 3. Cable
Page 5 of 14 3. Cable the sts.01 has a single 8-conductor cable for power and communication. The conductor description is as follows: conductor color conductor function red power input (+8-32v) black power and signal gnd orange on/off control (>1.4v input to enable iridium module) blue network avail...
Page 6: 4. Powering The Device
Page 6 of 14 4. Powering the device the power input (red conductor) can be supplied with +8 to +32v. The black conductor is the signal and power ground for the device. The power/signal ground must be connected to the same gnd as the power source. This same connection is also the ground reference for...
Page 7: 8. Tamper Detection
Page 7 of 14 8. Tamper detection the tamper detection conductor can be used to determine if the cable has been accidentally or intentionally cut by implementing a 10k ohm pullup resistor on the user’s oem device that the sts.01 connects to, as shown below in figure 3. Figure 3 - tamper detection pul...
Page 8: 9. Device Performance
Page 8 of 14 9. Device performance 9.1 iridium approval the spartan sts.01 has been approved by iridium for use on the iridium satellite system. The approval process involves a side-by-side comparison to iridium's baseline antenna. The baseline antenna is similar in size to the spartan sts.01. There...
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Page 9 of 14 figure 5 - voice mode call performance.
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Page 10 of 14 figure 6 - call setup rate vs. Elevation angle 9.1.2 data mode performance data was collected for one day from data calls performing 50k ftp upload transfers. Ftp 50k upload call attempts call connect count successful call connect rate successful transfer count successful transfer rate...
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Page 11 of 14 9.1.3 downlink margin performance the figures below depict the link margin on a per beam basis, evaluating only the traffic channel and does not include values that are 0 db or less. Figure 8 – spartan sts.01 transceiver antenna system link margin per beam figure 9 – iridium transceive...
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Page 12 of 14 9.1.4 power control efficiency the results are presented in terms of capacity factor, which is a ratio of voice call power to full power. Capacity factor is calculated by determining the amount of time spent at various power levels during uplink and downlink. Figure 10 - capacity facto...
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Page 13 of 14 and replace the fuse to get the device back to normal operation after a transient event. This is not convenient in many applications, which is why the sts.01 is a superior option. A short-circuit test is also defined in iso 16750-2, section 4.10, where all inputs and outputs must be ti...
Page 14: 10. Mechanical Drawing
Page 14 of 14 10. Mechanical drawing side view bottom thread view uu name material finish qty 1 housing spartan st pc + abs black 1 2 closed cell foam 3m 9448+cr-4305 black 1 3 nut_m20x1.5px10h cut steel ni plated 1 4 washer nut steel ni plated 1 5 metal base st zinc alloy ni plated 1 6 cable rubber...