From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from korolev.univ-paris7.fr (korolev.univ-paris7.fr [IPv6:2001:660:3301:8000::1:2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 256C73B2A4 for ; Fri, 14 Oct 2022 14:26:40 -0400 (EDT) Received: from potemkin.univ-paris7.fr (potemkin.univ-paris7.fr [IPv6:2001:660:3301:8000::1:1]) by korolev.univ-paris7.fr (8.14.4/8.14.4/relay1/82085) with ESMTP id 29EIQdQB004143 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 14 Oct 2022 20:26:39 +0200 Received: from mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [81.194.30.253]) by potemkin.univ-paris7.fr (8.14.4/8.14.4/relay2/82085) with ESMTP id 29EIQdk9006686; Fri, 14 Oct 2022 20:26:39 +0200 Received: from mailhub.math.univ-paris-diderot.fr (localhost [127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTP id 17FE5FA161; Fri, 14 Oct 2022 20:26:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=irif.fr; h= content-type:content-type:mime-version:user-agent:references :in-reply-to:subject:subject:from:from:message-id:date:date :received:received; s=dkim-irif; t=1665771997; x=1666635998; bh= KLDyJdRfIOdi7hutdcaQjv4cTSojkHtVzb64oje3j5A=; b=L0dvjcP5iGKgdRz4 okrhPgW3xYo34xpmQYO87/qWZdd0D5vwaFKUG3SnZp8AWQChmRU5cI/P5PYPI9Ur xapGTuE3Es55oJDZoUOPZOB3oGmXkQzEtNNS6CM7m/Xxr287fJB/WPsxPOSznA6D 3DfDKw/ZpnlHy/eI15+WKGpf8El0DMbIjXZcD2o9AWkgGpPzaaUCIJnUfxuiAnpR 5Jq97ZFuMYaFTdE2sxqr8kc2UM8fo6ctBItcSrpueuvySLx7yr7/Lt+yo26FtN3a OqxiAfEZxS/xmqQGz3ek8q0tl42osmuTQqh0qiBgCEbq8LwH08NOBFjz/baCqGLV KoFaWg== X-Virus-Scanned: amavisd-new at math.univ-paris-diderot.fr Received: from mailhub.math.univ-paris-diderot.fr ([127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id fMCkIGJm-aVE; Fri, 14 Oct 2022 20:26:37 +0200 (CEST) Received: from pirx.irif.fr (unknown [78.194.40.74]) (Authenticated sender: jch) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTPSA id 399B8FA15D; Fri, 14 Oct 2022 20:26:37 +0200 (CEST) Date: Fri, 14 Oct 2022 20:26:37 +0200 Message-ID: <87h706ntwi.wl-jch@irif.fr> From: Juliusz Chroboczek To: Mike Puchol Cc: starlink@lists.bufferbloat.net In-Reply-To: References: <8735bqpq1r.wl-jch@irif.fr> <65rp9416-298q-33n8-6p20-6195sqp691oq@ynat.uz> <87v8omo8r3.wl-jch@irif.fr> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/28.1 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (korolev.univ-paris7.fr [IPv6:2001:660:3301:8000::1:2]); Fri, 14 Oct 2022 20:26:39 +0200 (CEST) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (potemkin.univ-paris7.fr [194.254.61.141]); Fri, 14 Oct 2022 20:26:39 +0200 (CEST) X-Miltered: at korolev with ID 6349A9DF.001 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)! X-Miltered: at potemkin with ID 6349A9DF.000 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)! X-j-chkmail-Enveloppe: 6349A9DF.001 from potemkin.univ-paris7.fr/potemkin.univ-paris7.fr/null/potemkin.univ-paris7.fr/ X-j-chkmail-Enveloppe: 6349A9DF.000 from mailhub.math.univ-paris-diderot.fr/mailhub.math.univ-paris-diderot.fr/null/mailhub.math.univ-paris-diderot.fr/ X-j-chkmail-Score: MSGID : 6349A9DF.001 on korolev.univ-paris7.fr : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000 X-j-chkmail-Score: MSGID : 6349A9DF.000 on potemkin.univ-paris7.fr : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000 X-j-chkmail-Status: Ham X-j-chkmail-Status: Ham Subject: Re: [Starlink] Starlink no longer available to the Ukrainian army? X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Oct 2022 18:26:40 -0000 > Juliusz, see the Twitter thread I linked to, it explains precisely the > jamming scenarios they could be facing, and how they are possible. I saw it after I wrote my question, and it does explain a lot. Thanks. Do you have an idea how difficult it is to actually do in practice? Is it a simple matter of plugging a second-hand VSAT dish to an old amateur radio rig, or do you actually need to be a research lab of the Moscow Academy of Sciences to do it? -- Juliusz