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SpaceX’s Starlink satellite internet has only a 20 millisecond delay


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According to SpaceX, the Starlink satellite internet service has achieved a latency of less than 20 milliseconds, which is equivalent to ground-based broadband.

SpaceX included the data in a presentation sent to the FCC last Friday that was discovered by Reddit users. The two benchmark tests carried out with Ookla’s Speedtest.net service show that Starlink has a download rate of 102 to 103 Mbit / s, an upload rate of 40 to 42 Mbit / s and a latency of 18 to 19 ms reached. (Note: Ookla is owned by Ziff Davis, the parent company of PCMag.com.)

The presentation is also attached to a letter from SpaceX Satellite Policy Director David Goldman saying that initial beta tests for Starlink are below 30 msec latency. (For comparison, the average fixed broadband latency in the US is 25 ms, while the rate in cellular networks is 48 ms, according to Speedtest.net.)

SpaceX made the filing a day after the company publicly boasted that Starlink was already achieving download rates in excess of 100 Mbps. The benchmarks provided to the FCC show that the company is not exaggerating.

Interestingly, both benchmarks took place on June 30th and in Seattle, Washington, at a time when SpaceX only had about 500 Starlink satellites in orbit. The company now has more than 700 satellites around the world, which is likely to improve coverage and data speed.

SpaceX manufactures around 120 Starlink satellites each month, according to the presentation. The goal is to get thousands of them into space for global coverage and download speeds of 1 Gbps.

The company is also on track to produce thousands of user terminals that consumers can plug into in their homes to receive the satellite broadband. In addition, SpaceX plans to prepare for a public beta trial for users “in multiple states”.

This article was originally published here by PCMag

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