asteroza + satellite   179

iQPS Inc.
100Kg class SAR with an interesting large twist wrap type deployable antenna/primary reflector
newspace  smallsat  radar  satellite  SAR  realtime  japan  remote  sensing 
9 weeks ago by asteroza
Fleet Satellite Communications System - Wikipedia
So brazilian pirate radio is using these, wonder if the prepper/HAM crowd is as well
satcom  UHF  EHF  unauthenticated  microwave  transmission  repeater  transponder  GEO  satellite  satcomms  survivalist  communication 
september 2018 by asteroza
Launch-U | The Aerospace Corporation
New smallsat spec, similar to cubesat U standard, to ease satellite sizing/manufacturing for multiple launch providers
Launch-U  smallsat  standard  newspace  satellite  bus  size  specification 
august 2018 by asteroza
RIT researcher develops new solar sailing technology for NASA - RIT News
Uh, based on the vectors, this is only going to work really well for an SSO orbit riding the terminator line since you need the solar angle to be normal to the plane of the sail and keep the sail edge-on to the orbital vector...
metamaterial  diffractive  metafilm  solar  sail  cubesate  satellite  space  propulsion  diffraction  optics  materials  science  research  technology 
july 2018 by asteroza
Altius Space Machines Selected for 2 NASA SBIR Phase 1 Awards – Parabolic Arc
MagTag could be the new lego for cubesats to heterogeneously recombine based on work objective.
MagTag  electropermanent  magnet  EPM  newspace  satellite  bus  modular  block  interface  space  research  technology 
june 2018 by asteroza
ALCAN Systems : Communication is the key
phased array satellite broadband antenna, similar to kymeta (including using LCD production lines for manufacturing)
phased  array  antenna  satellite  telecommunications  hardware  electronics  devices 
may 2018 by asteroza
Facebook May Have Secret Plans to Build a Satellite-Based Internet
E-band lining up with their Aquila solar HALE relay UAV work is interesting as a holistic approach...
facebook  satellite  internet  athena  e-band  newspace  constellation  research  telecommunications  technology 
may 2018 by asteroza
Athena
Facebook is trying something a bit different from Starlink. E-band, wonder how that will work out...
Facebook  satellite  internet  newspace  constellation 
may 2018 by asteroza
effective-space
Satellite extension services company, using secondary spacecraft to dock with existing sats to provide attitude control/station keeping. Basically an auxiliary propulsion pack. Currently not doing refueling/module replacement/power though
newspace  GEO  satellite  servicing  secondary  auxiliary  propulsion  attitude  control  space  service 
march 2018 by asteroza
swarm-technologies.com/
IoT satellite relay service, using very small satellites called SpaceBees. Like quarter cubesat scale (at least one dimension less than 5cm). Got busted for FCC unlicensed launch on PSLV C40 of 4 SpaceBee sats.
newspace  IoT  satellite  relay  cubesat  smallsat  microsat  nanosat  picosat  space  research 
march 2018 by asteroza
Audacy
MEO constellation for data relay from sats (think commercial TDRS for cubesats), not a telecoms constellation per se...
MEO  satellite  constellation  data  relay  optical  lasercomm  space  newspace 
november 2017 by asteroza
TU Delft
Fizeau synthetic aperture deployable telescope design for a smallsat that's kinda interesting with a Y segmented mirror which features swing out mirror wing segments.
fizeau  synthetic  aperture  deployable  korsch  telescope  segmented  Y  mirror  smallsat  space  satellite  design  earth  observation 
june 2017 by asteroza
Chang Guang Satellite Technology Co., Ltd.
JILIN series of video surveillance satellites, plan is 60 smallsat constellation with 4K video for near realtime continuous earth coverage
china  small  form  factor  satellite  smallsat  video  surveillance  constellation  earth  observation  space 
june 2017 by asteroza
SatSleeve for iPhone | Thuraya
Thuraya, so only middle east, but nice concept for a compact satphone adapter integrated into an iPhone case
Thuraya  satphone  case  shell  addon  iPhone  satellite  telephone  adapter  bluetooth  Delicious 
february 2017 by asteroza
Laser Light Communications
All optical lasercomm MEO constellation, to operate as a "space cable" backhaul for datacenters.
lasercomm  laser  communication  optical  freespace  MEO  space  satellite  constellation  network  Delicious 
november 2016 by asteroza
Black Sky
on demand, 90 minute delivery of satellite imagery
space  surveillance  ondemand  satellite  imagery  service  constellation  earth  observation  newspace  Delicious 
september 2016 by asteroza
Kepler Communications |
Trying to build an orbital backbone for smallsats, to gather comms to larger high bandwidth birds. Sounds like MIMO phased array antennas?
satellite  constellation  orbital  space  communications  backbone  infrastructure  smallsat  network  MIMO  antenna  phased  array  RF  link  Delicious 
july 2016 by asteroza
Femtosat Standard
New femtosat spec for ultrasmall satellites. 3cm cube.
femtosat  nanosat  microsat  satellite  standard  space  research  hardware  smallsat  Delicious 
april 2016 by asteroza
Online Journal of Space Communication
SunSat 2015 thermal design (molten potassium primary loop,steam secondary) to try to avoid rotary power joints. Monolithic circular plate radiator design, as opposed to a thermal segmented design that uses radiator strips capped with concentrator boilers with the radiators ganged together into a big rectangle..
SPS  SSP  space  solar  power  satellite  research  technology  thermal  Delicious 
march 2016 by asteroza
Online Journal of Space Communication
Interesting design, taking the weight hit to use lower power rotary joints. Easier to add solar modules too, but out of plane.
SPS  SSP  space  power  satellite  research  low  multiple  joint  rotary  technology  solar  Delicious 
march 2016 by asteroza
Microsoft Word - IEPC-2007-162.doc - IEPC-2007-162.pdf
Validation of the generic case of an atmosphere skimming orbital cruiser in very low orbit (SSO) using hall effect thrusters. Not quite PROFAC, but a good starting point.
low  altitude  orbit  LEO  ramscoop  ramdiver  satellite  design  space  propulsion  research  hall  effect  electric  thruster  atmosphere  scoop  collector  inlet  hypersonic  PROFAC  Delicious 
october 2015 by asteroza
[1508.02383] Mobile Internet from the Heavens
Some Samsung researcher argues for a 4K+ sat constellation for sat internet, but the math says each sat needs 1Tbps or more? So lots of spot antennas and lasercomm backhaul?
Samsung  internet  satellite  constellation  research  space  telecommunications  Delicious 
august 2015 by asteroza
SpyMeSat Mobile App
"The world's longest selfie stick" is not inaccurate...
iOS  iPhone  android  app  software  realtime  satellite  tasking  imaging  photography  purchase  imagery  remote  sensing  ondemand  Delicious 
july 2015 by asteroza
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