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What is the delay from end to end using the PSM-500/4900?

April 26, 2017delay psm-500

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What is the delay from end to end using the PSM-500/4900?

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The satellite link itself represents a fixed and very slightly variable delay due to the distance of the satellite from the two stations linked. This delay is approximately 250 milli-seconds. In addition the M5 Manual, “Appendix A” or this web site in “Tech Notes/Tech Note 5” lists the specified fixed and rate dependent delays incurred in the modem’s transmit and receive processing. These include delays or latency in the IBS Multiplexer, Reed-Solomon and Turbo Product Codes FEC if equipped and enabled..