If you could add 5 features to the Kerbal Space Program, what would they be? - Quora
KSP Visual Calculator
GitHub - Blaarkies/ksp-visual-calculator: Online tool for Kerbal Space Program that helps players determine delta-v requirements for a mission, and what type of comms dishes a certain satellite requires.
Antenna Helper on SpaceDock
How to set up a Geostationary Relay Network in KSP 1.2 (Tutorial: 27) Kerbal Space Program - YouTube
KSP Relay Network Guide : r/KerbalSpaceProgram
Basic Rules
GitHub - linuxgurugamer/ResonantOrbitCalculator: Calculate the resonant orbit needed for a carrier craft to inject craft it carries,
1.12.x] KSP Resonant Orbit Calculator - KSP1 Mod Releases - Kerbal Space Program Forums
The Kerbal Math & Physics Lab
Resonant Orbit Calculator v1.4 - KSP1 Tutorials - Kerbal Space Program Forums
Resonant Orbit Calculator on SpaceDock
Relay Networks - The EASY Way | KSP (Not) Beginner's Guide - YouTube
Tutorial - Interplanetary Networks
Kerbal Space Program Tutorial Series - Open Access to 1.7 | Physics Forums
Placing satellites at perfect intervals with exact same orbital periods : r/KerbalSpaceProgram
KSP: Establishing Geostationary Kerbin Relays AND Mun + Minmus relays in 1 launch! - YouTube