From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from vsmx001.dclux.xion.oxcs.net (vsmx001.dclux.xion.oxcs.net [185.74.65.81]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 9C14E3B2A4 for ; Tue, 8 Feb 2022 03:58:31 -0500 (EST) Received: from proxy-2.proxy.oxio.ns.xion.oxcs.net (proxy-2.proxy.oxio.ns.xion.oxcs.net [31.4.201.96]) by mx-out.dclux.xion.oxcs.net (Postfix) with ESMTPA id C6E858C0424; Tue, 8 Feb 2022 08:58:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=dclux.xion.oxcs.net; s=mail1; t=1644310710; bh=J3almgpqfwdMFpe0pUY9i8LiZFthuT5wJ6dhrJXO+4c=; h=Date:From:To:In-Reply-To:References:Subject:From; b=jent7ioaGQ4YHAGF8NEwtzbPHGgP0MDUpwEaQQeW4AxKLU6OAOsBf/7hWkfqHBTdc K/ckpML0EjRDV5M0mdzj+VhFWxsMrI+cj9rQfFFXoayXiOdgGmRAU+ihv5nwEA9qBS vAaYRF+6iNOhSZheZdlCS760jOvt+O3tYUm8pfzfJ/nCtTk6dBANEJl89j/2W/oQTy Yfm9HzApnw0nh1u9LZr3vrKvDppQozOTZseYr8hVRdkDDUGYmhbqFvhpE5yAvXOWoB 125beLwOxyXz584ddQRKwSdQQeYNDiXwiKvHdC9E6POECeWYLGlTZ9JVVr2ceVcWHq +bjtyZZTmtyAg== Date: Tue, 8 Feb 2022 09:58:15 +0100 From: Mike Puchol To: starlink@lists.bufferbloat.net, Daniel AJ Sokolov Message-ID: <07e8f287-3da1-4890-817f-4daf945c8d12@Spark> In-Reply-To: <6b0b3d22-f3e6-a3bd-b04c-af15e5498560@sokolov.eu.org> References: <0d78acc3-1101-c7d2-c7a6-53158b8c1045@vdr.net> <44b2b090-457b-eb59-a75a-a0bbb0307073@candelatech.com> <431oq9ns-qnpn-n56r-6np6-374rsq317q@ynat.uz> <8ecdc077-1751-4302-a013-fa35b2291a87@Spark> <380541e2-c5fa-b3ff-b28c-8d3d993be416@cs.auckland.ac.nz> <5d9dab2c-3c20-4d18-aa1d-cc72bf250843@Spark> <736pq4q3-q21n-p6rn-9391-o56qn77npn2@ynat.uz> <9383f6d3-b6e3-de25-fee0-4416bd05c030@cs.auckland.ac.nz> <7ffdb646-0d02-c1fa-6857-576c2681490c@falco.ca> <2e2c67c8-839b-e1af-5937-78dab715d482@cs.auckland.ac.nz> <8b7fd197-777d-e963-628d-4cdff7c04380@sokolov.eu.org> <78be6869-375c-02a8-498b-7446287ab97d@cs.auckland.ac.nz> <0136de5b-a198-4ebf-8a12-baa2424c431d@Spark> <6b0b3d22-f3e6-a3bd-b04c-af15e5498560@sokolov.eu.org> X-Readdle-Message-ID: 07e8f287-3da1-4890-817f-4daf945c8d12@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="620230af_5577f8e1_1d16" X-VadeSecure-Status: LEGIT X-VADE-STATUS: LEGIT Subject: Re: [Starlink] Starlink for Tonga? 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: Tue, 08 Feb 2022 08:58:31 -0000 --620230af_5577f8e1_1d16 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline The GSO satellite operators, due to the fact that they have been there fo= r eons, plus they cannot move the satellites around, are at a disadvantag= e with NGSO operators such as Starlink, when it comes to using the same s= hared spectrum. The Ku band downlink spectrum Starlink uses is the same a= s your satellite TV, thus, if your Dishy was inline with a Starlink satel= lite and the line towards the GSO arc, the satellite would kill all satel= lite TV in your area. The ITU in its article 22 specifies how NGSO operators must protect GSO o= perators, by not generating interference above certain power levels to or= from the GSO arc. =46or Dishy, this means it cannot transmit anywhere be= tween the GSO arc elevation and +18=C2=B0 (up), -18=C2=B0 (down). In Barcelona, the GSO arc due South sits at around 43=C2=B0 in elevation,= thus, my Dishy cannot transmit between 25=C2=B0 and 61=C2=B0 in elevatio= n due South. However, the protection band begins around an azimuth of 120= =C2=B0, up to around 240=C2=B0. In the Equator, the GSO protection band starts due East, and goes all the= way across the sky due West. It also takes out 37=C2=B0 of visible sky a= t zenith. Hope this helps=21 Best, Mike On =46eb 8, 2022, 09:49 +0100, Daniel AJ Sokolov , wrote: > On 2022-02-08 at 01:47, Mike Puchol wrote: > > the biggest impact on =46iji and Tonga is the GSO protection, which > > takes out 36=C2=B0 of usable sky, all the way from East to West. > > Ho Mike, > > would you please be so kind to explain that a bit more=3F > > Thank you > Daniel > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > Starlink mailing list > Starlink=40lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/starlink --620230af_5577f8e1_1d16 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
The GSO satellite operators, due to the fact that t= hey have been there for eons, plus they cannot move the satellites around= , are at a disadvantage with NGSO operators such as Starlink, when it com= es to using the same shared spectrum. The Ku band downlink spectrum Starl= ink uses is the same as your satellite TV, thus, if your Dishy was inline= with a Starlink satellite and the line towards the GSO arc, the satellit= e would kill all satellite TV in your area.

The ITU in its article 22 specifies how NGSO operators must protect GSO o= perators, by not generating interference above certain power levels to or= from the GSO arc. =46or Dishy, this means it cannot transmit anywhere be= tween the GSO arc elevation and +18=C2=B0 (up), -18=C2=B0 (down).&=23160;=

In Barcelona, the GSO arc due South sits at around 43=C2=B0 in elevation,= thus, my Dishy cannot transmit between 25=C2=B0 and 61=C2=B0 in elevatio= n due South. However, the protection band begins around an azimuth of 120= =C2=B0, up to around 240=C2=B0.

In the Equator, the GSO protection band starts due East, and goes all the= way across the sky due West. It also takes out 37=C2=B0 of visible sky a= t zenith.

Hope this helps=21

Best,

Mike
On =46eb 8, 2022, 09:49 +0100, Dani= el AJ Sokolov <daniel=40sokolov.eu.org>, wrote:
On 2022-02-08 at 01:47, Mike Puchol wrote:
the biggest impact on =46iji and Tonga is t= he GSO protection, which
takes out 36=C2=B0 of usable sky, all the way from East to West.

Ho Mike,

would you please be so kind to explain that a bit more=3F

Thank you
Daniel
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
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