this post was submitted on 16 Feb 2025
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I'm reading here:

As Starlink’s user base grows, the Iranian government is likely to intensify efforts to restrict satellite internet access.

How could they do so?

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[–] [email protected] 23 points 4 days ago* (last edited 4 days ago) (2 children)

nazi Germany make listening to Allied radio illegal.

Same thing with this. They'll criminialize it, and arrest anyone with Starlink equipment.

(Also much easier to find you, since they can detect your signals when you upload, unlike listening to radio where there's no EM emission from the receiver)

[–] [email protected] 5 points 4 days ago

You can make radio receivers pretty hard to find. I think that shortwave radios are an even better example, where they've been used by intelligence agencies for effective unidirectional communications:

https://en.wikipedia.org/wiki/Numbers_station

A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries.

But yeah, agree with you that if you want to want to have a transmitter, then you're out of luck. Can't hide that.

considers

You might be able to run just the downlink over Starlink, if it had a purely-unidirectional mode (which it probably doesn't today). Most consumer bandwidth use is asymmetric. Hiding the downlink is hard, but the uplink might be easier.

It would have unusual-from-a-traffic-analysis, unidirectional, non-sustained traffic, but because the bandwidth usage is less, easier to hide in other traffic using steganography. Certainly have different traffic properties, at any rate, than a traditional VPN.

Another issue is that the receiver has to be visible from the sky. There are substances which are not radio-transparent but are visible light transparent. I'm sure that someone has done this.

kagis

Ah. Someone doing exactly this.

https://www.reddit.com/r/Starlink/comments/14blm4x/how_hide_starlink_dish_from_skyview_without/

how hide starlink dish from skyview without signal loss ?

i live in iran and government censored internet

how can i hide its dish or make it hard to trace by government?

which material is not blocking starlink signal so i can cover the dish and hide it visually ?

Fiberglass, styrofoam aka polystyrene foam, various other polymeric foams used in packaging and insulation, not too thick polymeric (such as polyethylene) sheets. But these materials often have a bunch of additives that change RF transparency. You may have to try a few choices.

Also, if the government really wants to find these, I suppose that they could probably go after them with something like high-resolution radar imaging from aircraft.

[–] [email protected] 2 points 4 days ago (1 children)
[–] [email protected] 6 points 4 days ago* (last edited 4 days ago) (1 children)

I meant "transmit from your starlink antenna", so my brain just chose the word "upload" because my brain is lazy... 😅

So... to clarify: sending a request for "wikipedia.org" is still gonna transmit, which means they will find you, even if you aren't "uploading"

[–] [email protected] 1 points 4 days ago (1 children)

Wouldn't that signal be comparatively pretty weak, and difficult to parse from surrounding radiation?

[–] [email protected] 4 points 3 days ago

Not really, flying over it with an detector would spot the frequency used pretty handily.

Starlink transmits in a relatively narrow frequency band that wouldn't have a lot of transmitters (14-14.5ghz) in a random urban area. It also transmits pretty broadly, because it needs to hit a wide area of the sky because of moving satellites.

You'd get some false positives with a detector drone, but not that many.