Quote from: RocketGoBoom on 02/20/2020 03:38 amI have seen articles and comments in online forums that phased array antennas are about $30,000 each and those are the new ones just introduced in the past year. The only entities that buy these things are airlines, the US military, government entities, etc. Many of the comments have been extremely doubtful that SpaceX and OneWeb are going to be able to get the prices down to consumer levels anytime soon.I have no idea if this is true or not. I find it hard to believe that the parts involved cost anywhere near that amount. $30,000 probably takes into account low volume production, lots of R&D recovery, salesman commissions, etc. But at the end of the day, I have no idea what a consumer quality phased array antenna is going to cost SpaceX on a per customer basis. I wish someone would provide us with some solid info.This is of course a critical question. The $30,000 cost for commercial vendors now seems plausible. Here is an 8 channel chip for Ka band. If you had a 16x16 array (256 elements) it would be about pizza box size. It would require 32 of these chips for receive, and 32 of the corresponding chips for transmit, so 64 chips in all. I found one source online for $136 each, so that's about $10K worth of chips. This would appear to be the major expense, so a $30K consumer price seems about right.Now the question is how much cheaper you could get by spending a bunch of money to build a custom chip that did exactly what you need and no more, and only at the exact frequencies you intend to use. If, for example, you could put 64 channels on a chip and make it for $50, then suddenly you need only 8 chips (4 receive, 4 transmit) for only $400 chip cost per terminal. Without doing detailed design, I suspect this may be possible (for example, knowing your frequencies in advance, you might use 8 reference signals at 45o phase shifts, which could allow you to replace phase shifters with simple MUXs. You can use tuned power amplifiers, etc.)So overall, I think a $30K price now is plausible, but it might well be possible to bring the cost down to $1000 or thereabouts. Of course the design of the chips and the masks to make them might well be about $10M-$20M up front. So this would only make sense if you intend to make 10s of thousands of units, all for the exact same market. This market does not exist yet, which is why no-one has done it already. But LEO direct to many points might make this development practical.
I have seen articles and comments in online forums that phased array antennas are about $30,000 each and those are the new ones just introduced in the past year. The only entities that buy these things are airlines, the US military, government entities, etc. Many of the comments have been extremely doubtful that SpaceX and OneWeb are going to be able to get the prices down to consumer levels anytime soon.I have no idea if this is true or not. I find it hard to believe that the parts involved cost anywhere near that amount. $30,000 probably takes into account low volume production, lots of R&D recovery, salesman commissions, etc. But at the end of the day, I have no idea what a consumer quality phased array antenna is going to cost SpaceX on a per customer basis. I wish someone would provide us with some solid info.
Silicon is going to be the long pole in developing the CPE for Starlink. Doing the chips takes years from start-of-design to low-cost manufacturing.
The chip you pointed out is Silicon-Germanium, which is a much more expensive way to make chips than bulk Silicon CMOS, which most cheap chips are made of. People use Silicon-Germanium because it's easier to do high-precision RF stuff in that process.You might remember the legal battle between Broadcom and SpaceX a few years ago. Broadcom was unhappy that SpaceX hired away a bunch of its engineers to work on Starlink after Broadcom proposed a solution for them. Broadcom made its fortune by taking functions that people used to think you could only do in Silicon-Germanium and doing them in cheap bulk CMOS instead. Not only is making the chips much, much cheaper in CMOS but you can also integrate the RF components directly with pure digital parts of the design, including processors, all on one chip.SpaceX has been developing Starlink for years. There's no way they didn't have plans for the customer premises equipment from the start, and there's no way they've been saying they're going to sell this to consumers if they had a plan that would cost $30,000 per ground station.Silicon is going to be the long pole in developing the CPE for Starlink. Doing the chips takes years from start-of-design to low-cost manufacturing.SpaceX would not be spending hundreds of millions of dollars to launch Starlink today and saying they'll start service later this year unless they were already close to having the chips ready for CPE that costs them well under $1,000 per unit. They might still be working on spinning the chips for manufacturability, they might be spinning the boards for manufacturability, they might be working on different industrial designs, but in terms of chips, I'm quite confident it's a solved problem. Whether SpaceX designed them in-house or they have a partnership with an external company, expensive chips just aren't going to be a thing in the CPE for Starlink.
They filed a patent for the phase array design in 2018: DISTRIBUTED PHASE SHIFTER ARRAY SYSTEM AND METHOD, not sure if it's for the satellite end or ground end, maybe both?
Reggefiber and other much smaller hardware companies (there are at least 2 still very active in Overijsel only, and at least 10 overall in all provinces) were and are technically/financially part of the hardware part of KPN (KPNnetwerkNL now) from the day 1. It started somewhere in 2000-2001.
Now back to the topic:Nor the Netherlands, neither UK or France (there are some chances for Germany though because of funny federal structure) will offer any support or "express" any basic interest toward Starlink. It's moot. Please stop it. All these countries have extensive very high level state investments, impressive lobbying and closed "family like" guilds which make the chance of entering this market from outside next to impossible. What is even more important there is close relation between these countries in the IT communications area.
(Separately inter satellite links appear to have been shelved, as SX is talking about local ground stations. If the laser link hardware is not on these sats, that will have to wait for a future version.)
Quote from: DistantTemple on 02/23/2020 12:53 pm(Separately inter satellite links appear to have been shelved, as SX is talking about local ground stations. If the laser link hardware is not on these sats, that will have to wait for a future version.)The last I had heard the inter-satellite links were planned to start going up on satellites starting in 2021. Unless there's been some update on that that I missed, I wouldn't use the word "shelved" but rather the word "delayed" -- perhaps that's what you mean by "wait for a future version". My understanding is that the reason they're talking about ground stations is that they're starting commercial service this year, before the satellites with the lasers even start going up, and the satellites without the links will be part of the constellation for about five years, until 2025 or 2026. So they need local ground stations for several years.
Quote from: ChrisWilson68 on 02/23/2020 06:25 pmQuote from: DistantTemple on 02/23/2020 12:53 pm(Separately inter satellite links appear to have been shelved, as SX is talking about local ground stations. If the laser link hardware is not on these sats, that will have to wait for a future version.)The last I had heard the inter-satellite links were planned to start going up on satellites starting in 2021. Unless there's been some update on that that I missed, I wouldn't use the word "shelved" but rather the word "delayed" -- perhaps that's what you mean by "wait for a future version". My understanding is that the reason they're talking about ground stations is that they're starting commercial service this year, before the satellites with the lasers even start going up, and the satellites without the links will be part of the constellation for about five years, until 2025 or 2026. So they need local ground stations for several years.It’s very Elon like to get something up and working and relentlessly iterate the design. SpaceX needs revenue to fund Starlink. Starting US service, get market penetration and revenue while working on the V2 hardware.I have no idea how hard the laser interlinked are, I assume crazy hard, but they must think it’s possible. If they figure that out and start launching even larger batches with Starships, they’ll be global before people know what hits them.
Published by Eric Ralph in NewsSpaceX 22 hours agoSpaceX Starlink job posting signals serious interest in a growing multi-billion dollar marketA new SpaceX Starlink job posting hints that the company is very interested in an established multi-billion dollar market for high-quality satellite internet – a use-case its Starlink constellation should be a perfect fit for.One of the biggest sources for a recent boom in global demand for satellite broadband services, in-flight connectivity (IFC) is a rapidly growing market well on its way to multi-billion dollar annual revenues within the next few years.
The Air Force And SpaceX Are Teaming Up For A 'Massive' Live Fire ExerciseThe exercise will involve SpaceX Starlink satellites, a variety of military assets, and a new command and control system working together.Just last week, Air Force acquisition chief William Roper told reporters at the Pentagon that the Air Force and SpaceX will conduct an event on April 8, together with other branches of the U.S. military, that will see SpaceX Starlink satellites link up with multiple armed forces systems in a “massive” live fire exercise.
The system goes on-line August 4th. Human decisions are removed from strategic defense. Skynet begins to learn at a geometric rate. It becomes self-aware at 2:14 a.m. Eastern time, August 29th. In a panic, they try to pull the plug.Sarah Connor: Skynet fights back.
A little comparison of capacity costs between Viasat, OneWeb, and Starlink:-Viasat 2 has a throughput of 260GBps, and had a cost of $600 million, giving an installed capacity cost of ~$2,300,000/GBps.-Viasat 3 satellites are expected to cost around $700m total per satellite, and have an impressive capacity of 1TBps. This gives an installed capacity cost of ~$700,000/GBps for the next gen Viasat 3.In short, $/GBps installed:$2,300,000 Viasat 2$700,000 Viasat 3$300,000 OneWeb phase 1$25,000 Starlink$10,000 Starlink w/StarshipI don't really see how anyone else can compete. OneWeb could probably get to $100k-$150k/GBps with New Glenn, but that's still far beyond Starlink.
In short, $/GBps installed:$2,300,000 Viasat 2$700,000 Viasat 3$300,000 OneWeb phase 1$25,000 Starlink$10,000 Starlink w/Starship
https://www.thedrive.com/the-war-zone/32346/the-air-force-and-spacex-are-teaming-up-for-a-massive-live-fire-exerciseQuoteThe Air Force And SpaceX Are Teaming Up For A 'Massive' Live Fire ExerciseThe exercise will involve SpaceX Starlink satellites, a variety of military assets, and a new command and control system working together.Just last week, Air Force acquisition chief William Roper told reporters at the Pentagon that the Air Force and SpaceX will conduct an event on April 8, together with other branches of the U.S. military, that will see SpaceX Starlink satellites link up with multiple armed forces systems in a “massive” live fire exercise.Elon is actually building Skynet. He tried to warn us about the dangers of AI, then he goes off and builds Skynet just to prove it to us .QuoteThe system goes on-line August 4th. Human decisions are removed from strategic defense. Skynet begins to learn at a geometric rate. It becomes self-aware at 2:14 a.m. Eastern time, August 29th. In a panic, they try to pull the plug.Sarah Connor: Skynet fights back.
Starlink is no more "Skynet" than the regular commercial satellites the military already uses today.Sorry.
From my research on that, Viasat 3 (version 3, and they have 3 satellites in production) has reserved 3 launches, one each with ULA Atlas 5, SpaceX Falcon Heavy and Ariane 6 heavy-lift variant with four strap-on boosters. Those are not cheap launch vehicles. How does that change your numbers above, besides the obvious that it makes Viasat less competitive?
Viasat says it expects the cost of the first two ViaSat 3-class missions, including satellite, launch, insurance and payload expenses, is expected to be between $1.2 billion and $1.4 billion. The company plans the first two satellites to cover the Americas and the Europe, Middle East and Africa regions.