Linked Questions
12 questions linked to/from Why was Canberra able to listen to Voyager 2 but not talk to it?
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How well can Voyager 1 separate Earth signals from Solar noise these days?
This is a follow-up question to Can Voyager 1 receive signals from Earth? and this and this answer. UPDATED: see additional information and discussion below.
As it continues to move farther from the ...
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How to calculate data rate of Voyager 1?
I've read the following passage in the answer to the Quora question How can Voyager send a signal strong enough for us to receive, in spite of its enormous distance from us? And how can it have the ...
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How will the closure of the Arecibo dish impact deep space communications?
Earlier today, the U.S. National Science Foundation announced that it is decommissioning the Arecibo radio telescope. The 305 meter dish is famous for the 1974 message for extra-terrestrial ...
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Voyager Earth to Jupiter journey time
Voyager 1 was launched on Sept 5, 1977 and encountered Jupiter March 5, 1979, a journey of less than 2 years.
When I try to calculate the trajectory of the probe I assume a Hohmann transfer from ...
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Why is the operating temperature for the Voyagers' receiver noise calculation about 1550K?
In line 10 of Table 5.2 of DESCANSO IV - Voyager Telecommunications it shows a value of the uplink receiver noise spectral density of -166.7 dBm/Hz, which is 196.7 dBW/Hz which is 2.1E-20 Watts/Hz = $...
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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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What is a Beam Waveguide dish and why do deep space communications stations use them?
NASA Spaceflight.com's Deep Space Network upgrades and new antennas increase vital communication capabilities says:
NASA’s Deep Space Network, commonly referred to as the DSN, has welcomed a new dish,...
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Are the Voyager spacecrafts' X-band TWTAs currently set to high or low transmit power? How often were they changed?
In this answer I discuss that the Voyager spacecraft can be commanded to use either high or low power to transmit to Earth on X-band.
Question: Are the Voyager spacecrafts' X-band Traveling Wave Tube ...
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1
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When was the idea behind the DESCANSO Book Series first conceived, by whom, and what is its "mission"?
When was the idea behind the DESCANSO Book Series first conceived, by whom, and what is its "mission"?
When I'm looking for information on deep space issues including communications and ...
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Are the Voyager probes radio output power scalable?
We know the RTGs will fail one day. Assuming Voyager probes have a full transmitter output power of 22 watts can/will this be scaled down as the need arises?
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Frequency responses of Voyager's S-band high gain antenna's feed-horn and receiver front end & IF?
I'm working on this question. This is the farthest (known) communications link humans have ever engineered - an one node is running in deep space on 40 year old technology. Pretty amazing!
In the ...
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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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