Linked Questions
17 questions linked to/from What is the highest non-optical frequency used or tested for use in deep space communication?
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How to compute footprint(size) of beam of sat.system?
I need to compute the footprint (ground area that its transponders offer coverage) of beam diameter. Given different frequencies, distance between a satellite and ground station.
I have found the same ...
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What is the theoretical smallest size limit for a phased array antenna that can reach LEO?
Now that one provider is operating a phased array ground-to-satellite internet comm system, others will follow. A frequently asked question is "When can we use Starlink with a sat phone?". ...
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Tradeoffs between using two 34 m and one 70 m Deep Space Network dish?
Discussion at this answer to Why does DSN sometimes uses two dishes at the same time to receive Voyager-1? include the possibility that in some cases it would be preferable to use two 34 meter DSN ...
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Satellite-Ground link and Intersatellite link
I have seen an answer here how we can compute link budget in satellite communication.
Link Budget
$$ P_{RX} = P_{TX} + G_{TX} - L_{FS} + G_{RX} $$
$P_{RX}$: received power by spacecraft
$P_{TX}$: ...
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How does a 22 dBi X-band "patch" antenna get so much gain and how well behaved is its high-gain radiation pattern?
@NgPh's answer to How will the LICIACube cubesat transmit DART impact images back to Earth? What kind of antenna and radio will it use? quotes LICIACube on DART mission: an asteroid impact captured by ...
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Does the Juno spacecraft have an "open signal, by design"?
The click-bate title'd Space News article China quietly used NASA’s Jupiter probe to test its deep space network contains the quoted material below.
Everybody listens to everybody else's spacecraft's ...
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Is it possible to send a CubeSat to Saturn/Enceladus?
I was wondering if it is technologically possible to send a CubeSat/Nanosatellites or constellation of nanosatellites to explore the water vapor jets in the southern region of Enceladus in the Saturn ...
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Power and frequency units used in Deep Space Network XML data?
NASA's Deep Space Network activity can be viewed conveniently at https://eyes.nasa.gov/dsn/dsn.html but if you would like data in a more raw XML form, it can be accessed as described in this answer
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What happened to the plan to build a DSN antenna array?
More than ten years ago there were plans to build large antenna arrays for DSN, about 400 antennas of 12m diameter.
See these NASA papers 1, 2, 3, 4.
What happened to these plans?
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How does Hayabusa-2's "Communication Simulator" on its website work? What does it show?
The pinned tweet on Hayabusa-2's Twitter account leads to http://haya2now.jp/en.html which is a kind of control panel readout of the spacecraft's situation.
I clicked ...
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Will there be "Near Space" Ka-band allocations for TESS?
update: More information in Phys.org's news item TESS mission to discover new planets moves toward launch, including a video of the telescope array's final assembly.
Also see GSFC's TESS page.
The ...
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Do we use masers, lasers or infrared lasers to send data from deep space back to Earth? If not, why not?
I have posted in a couple of places (including here) about the recent (in the past year) news about future probes, landers, etc. using strong visible light lasers to send data back to us at much ...
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Deep Space Network's transmitter power versus frequency?
Just a general question: In regards to the Deep Space Network antennas, how does power from the transmitter of the antenna relate to the frequency used? I believe the antennas use X band frequency for ...
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Possible interference in RF spectrum due to space-based internet
Multiple Commercial Operators plan to use satellite megaconstellations for providing internet coverage in near future.
Is there a possibility of interference between RF spectrum already in use for ...
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General overview of how deep space communications performed
What frequency bands and general classes of antennas are used to communicate with deep space spacecraft?
As an example, if we place a cubesat in orbit around Io, what would the antenna need to be ...
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