• I read the gRPC as fast as I can. Some items on it update quite fast, such as POP latency, others such as throughput once per second.
• I read power usage at about 4-5 Hz
• I read GPS at 1 Hz (also used for PPS sync)
• I can optionally run iPerf3 tests in either uplink, downlink, or both, with various target tput (using TCP for now, will add UDP)
• The data is stored on a local SQLite DB, and if there is a link, also gets sent to a logging server which is sat at the POP (literally, it’s in MAD, sub-millisecond away), so no delay from extra hops once out of the POP.
• All data sent to the server contains whatever is being read, plus the microsecond timestamp of the client, and a UUID that ties all readings to a particular logging run.
• The logging server adds its own microsecond timestamp to every record when received, so I can measure time delay between client packets, but also inter-packet delay between logger box and server.

What are you using to drive the pop latency test?

(i was using irtt client -i3ms -d1h fremont.starlink.taht.net)

Is it a test of pure idle latency or do the spikes at (for example)
t+12m42s represent simultaneous traffic?

Is the peak of the graph there the actual peak, or not autoscaling to
the actual peak?

On Thu, May 5, 2022 at 7:42 PM Mike Puchol <mike@starlink.sx> wrote:

I did a one hour drive test combined with a data logger (calling it LeoBox for now), posted it compressed into 15’

https://youtu.be/UExU-_VHWjA

Best,

Mike
On May 6, 2022, 03:46 +0400, Larry Press <lpress@csudh.edu>, wrote:

In a week or two I'm going to take my dish out and drive around for a few hours

Roaming in motion works -- see the updates at the end of this post:
https://circleid.com/posts/20220225-spacex-is-testing-starlink-roaming
But it's not yet officially supported.

Elon Musk says it's working in Ukraine.

Stationary roaming, portability, is now officially offered at extra cost and with some constraints:
https://support.starlink.com/?topic=1426e78a-7384-0334-3fc0-ddf5a76d7afe

Larry

________________________________
From: Starlink <starlink-bounces@lists.bufferbloat.net> on behalf of David Lang <david@lang.hm>
Sent: Thursday, May 5, 2022 2:21 AM
To: Ulrich Speidel <u.speidel@auckland.ac.nz>
Cc: starlink@lists.bufferbloat.net <starlink@lists.bufferbloat.net>
Subject: Re: [Starlink] Portability Now Available (fwd)

remember that starlink is getting coverage from many satellites as they come
over, it's not like geostationary satellites that can aim specific antennas at
specific locations (i.e. 'spotbeams' are not a thing)


(just received the inverter I ordered, now to convert the plugs...)

I expect the waitlist is a combination of two things.

1. the number of subscribers already in the area
2. supply availability (I expect this is why Ukraine is a waitlist, they have
supplied dishes to the government, but if you try to order one yourself, you
would have to wait)

David Lang

On Thu, 5 May 2022, Ulrich Speidel wrote:

Date: Thu, 5 May 2022 19:40:01 +1200
From: Ulrich Speidel <u.speidel@auckland.ac.nz>
To: starlink@lists.bufferbloat.net
Subject: Re: [Starlink] Portability Now Available (fwd)

Cool. Very interesting! That's one pile of information all of a sudden. They
could do that more often IMHO.

Nothing like official confirmation that the tropics are an almost
Starlink-free zone, and that places reasonably away from the 53rd parallels
are secondary service zones. They forgot their 50-odd terminals in Tonga (I
heard yesterday about someone in the northern islands who brought a dishy
from overseas and found it didn't work... obviously believed the headlines...
sigh).

Also interesting that there seems to be, finally, some sort of disclosure on
cell size. Someone will need to explain to me why there are waitlist areas in
the Auckland area surrounded by full service. The areas concerned are rural,
which you'd think they'd want to service with priority over our
well-connected CBD... Too many subscribers there already, or not enough to
warrant a spot beam? Similar soft spots near Sydney, holes in Foveaux Strait,
the Hauraki Gulf, southeast of Murray Bridge in South Australia, southern
Chile, ... What do I read into this? Two-fold: Where it's near 53 degrees,
they're probably oversubscribed or lack terminal supply, or both. Where it's
well away from 53 degrees, I'd guess they probably just lack satellite
capacity full stop.

Ukraine is waitlisted...? But wait - didn't Starlink just take over the
Internet there? Interesting also that one of the waitlist / no service areas
in Germany is right where they had the floods & where Starlink got deployed
very publicly with (I understand) some success. Did the locals hang on to the
emergency dishys and does this now saturate the network there? And what did
the Greeks do to be all waitlisted?

So what happens if you roam from a place with availability into a place with
"waitlist" status? Anyone with a dishy up for a road trip with a story to
tell?

$25/month sounds steep but is probably modest in comparison to the roaming
charges that some cellular providers charge.

On 5/05/2022 7:00 pm, David Lang wrote:

received this Wednesday evening.
Makes sense,

David Lang

---------- Forwarded message ----------
Portability Now Available

Starlink is excited to announce Portability as an add-on feature for all
Starlink customers. Portability enables customers to temporarily move their
Starlink to new locations and receive high-speed internet anywhere where
Starlink provides active coverage within the same continent. To see active
coverage areas, please view the Starlink Availability Map (
https://urldefense.com/v3/__http://www.starlink.com/map__;!!P7nkOOY!sj8OeR4-Jc81zUlPLyHWjevs2T7WuFV5ewjaeOYg3m3H3_muO_XNGIDy3-WKuyifj4KWtvvwT-EHPQ$ <https://urldefense.com/v3/__http://www.starlink.com/map__;!!P7nkOOY!sj8OeR4-Jc81zUlPLyHWjevs2T7WuFV5ewjaeOYg3m3H3_muO_XNGIDy3-WKuyifj4KWtvvwT-EHPQ$ > ).

You can enable Portability for $25/month on your account page (
https://urldefense.com/v3/__https://starlink.com/account__;!!P7nkOOY!sj8OeR4-Jc81zUlPLyHWjevs2T7WuFV5ewjaeOYg3m3H3_muO_XNGIDy3-WKuyifj4KWtvus-BPS0Q$ <https://urldefense.com/v3/__https://starlink.com/account__;!!P7nkOOY!sj8OeR4-Jc81zUlPLyHWjevs2T7WuFV5ewjaeOYg3m3H3_muO_XNGIDy3-WKuyifj4KWtvus-BPS0Q$ > ). Once
enabled, Portability will take effect immediately, and you can disable
Portability from your account page at any time.

To learn more about Starlink Portability, please read our FAQ page (
https://urldefense.com/v3/__http://www.starlink.com/faq__;!!P7nkOOY!sj8OeR4-Jc81zUlPLyHWjevs2T7WuFV5ewjaeOYg3m3H3_muO_XNGIDy3-WKuyifj4KWtvsNiQtW4A$ <https://urldefense.com/v3/__http://www.starlink.com/faq__;!!P7nkOOY!sj8OeR4-Jc81zUlPLyHWjevs2T7WuFV5ewjaeOYg3m3H3_muO_XNGIDy3-WKuyifj4KWtvsNiQtW4A$ > ).
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Dave Täht CEO, TekLibre, LLC