Kerbol system universal relay satellites

[Abel Military Services]

I want to make sure every single craft can transmit science points to KSC in Kerbol System. Now I've got powerful antennas, where should I put satellite? How many satellite should I put? 

Try to use words to answer this. 

[Echo__3]

Three relays around every planet and moon should be sufficient. Check out the wiki to help calculate what antennas you'll need. CommNet - Kerbal Space Program Wiki.

Here are some other helpful links.

 

https://ksp-visual-calculator.blaarkies.com/

https://wiki.kerbalspaceprogram.com/wiki/Tutorial:Ideal_Orbits_for_Communication_Satellites

https://wiki.kerbalspaceprogram.com/wiki/Tutorial:Setting_up_a_CommNet_system

[Abel Military Services]

@Echo__3 Sorry but I want to put every satellite in Kerbol orbit. That make sure that I don't need to do many hard maneuvers. 

[Admiral Fluffy]

I would think at least 3 around Kerbol, with the RA-100 or the 88-88. A better suggestion would be 1 relay sat around each planet. 

Actually, the 1 relay sat would be easier, but 2 or 3 if you want better coverage.

Edit: Looked at the wiki, and it says 3 RA-100/88-88 will reach anywhere.

Edited April 14, 2022 by Admiral Fluffy

[DeadJohn]

1 hour ago, Abel101126 said:

@Echo__3 Sorry but I want to put every satellite in Kerbol orbit. That make sure that I don't need to do many hard maneuvers. 

Do you want guaranteed 100% coverage by your comm network, or is it okay if missions have temporary blackouts?

Building a comm network that orbits the sun, not any planets, requires a ring of relays beyond Eeloo's orbit for the worst-case of maintaining a link to a lander on the far side of Eeloo. You could do it with 3 in a triangle orbiting far beyond Eeloo but signal strength will be a challenge - small antennas at for example Duna won't be able to reach those Eeloo relays - leading you to either overbuild Duna missions with hug antenna or build another comm network ring between Duna and Jool.

I think a better solution is to accept temporary comm blackouts and plan your missions with that in mind. Forget the trans-Eeloo ring. Put a single relay in orbit of Eeloo to talk to Kerbin, and time your Eeloo landings so you don't land during a comm blackout. A science container or certain probe cores can collect science to transmit it after the comm blackout ends.

My usual routine for KSP is to send the 1st mission to each planet with a relay and orbital science instruments; leave the relay in a polar orbit. My 2nd mission near that planet adds a relay for one of the planet's moons. Those 2 relays give pretty good coverage to support future ground landings. For example, if the 1st relay at Duna is behind the planet and can't talk directly to KSC, it may be able to bounce off the 2nd relay at Ike. Use high orbits in order to "see" over obstructions.

 

[Abel Military Services]

 Uh, guys, thanks for your answers. But I think that I want a 100% coverage commNet and no blackouts. Now, here's the idea. 

I'm gonna launch a series of relay satellites with laser transmitters(GU parts) beyond Eeloo. 

So, here's the question. 

 What is Eeloo's AP? (Give me the number.)