The length of a communication link relative to its maximum range is represented by signal strength. If the value is missing, the default value of 0.75 is used. Template:Formula For example, a vessel with a Communotron 88-88 (100G power, 0.75 combinability) and also a Communotron 16 (500k power, 1.00 combinability) would have the following as its Average Combinability Exponent:Īntennae combinability exponent values can be found under "antennaCombinableExponent" in the part configuration files. For vessels with a Communotron 16 or 16S, the Average Combinability Exponent is calculated: This means that the Average Combinability Exponent will always be 0.75 for a vessel containing neither of these antennae. Note that all antennae and relays have a combinability exponent value of 0.75 except for the Communotron 16 and the Communotron 16S, with values of 1.0 and 0.0 respectively. The vessel's Average Combinability Exponent is the average of the combinability exponent values of all antennas on the vessel, where each antenna is weighted proportionally to its respective power rating. When a craft has multiple, combinable antennae, the antenna's power ratings stack in a way that provides diminishing returns using the following formula: If (by difficulty setting) there is only one tracking station, a ship must depend on a CommNet relay manally placed around Kerbin, here are the general ranges between antennae. Kerbin's Deep Space Network can be treated as a vessel with a rating of 2G/ 50G/ 250G (depending on the level of the Tracking Station) for the purposes of calculating range.
This is calculated as follows: Template:Formula Power ratings for antennae range from 5k for the integrated antenna available in every Command module, to 100G for the largest dishes. A connection can be established between two vessels when the geometric mean of their power ratings is greater than their separation as measured in meters. Each antenna has a "power rating", measured as a unitless number, which contributes to the overall power rating of the vessel it is attached to. Individual vessels do not have a fixed maximum range: whether a connection is possible between two vessels that are a given distance apart depends on the transmission strength of the vessels at both ends of the connection. The following table lists the maximum range for vessels with a single antenna signaling the Deep Space Network (note these change with Range Modifier in CommNet difficulty options):Ģ2.36Gm (Moho always, Eve, Duna & Dres (barely) if close)Ģ7.39Gm (Always Moho & Eve, Duna & Dres if close)Ħ1.24Gm (Dres, Jool & Eeloo if close, other planets always)ħ0.71Gm (Jool & Eeloo if close, other planets always) Locations may be linked either through a direct connection or indirectly via one or more relays. Vessels without a Pilot require a link to a control source for full control (valid control sources are a vessel with an operational Probe Control Point, or more commonly the Deep Space Network on Kerbin). With CommNet enabled (as a difficulty setting), antennae have limited range from which control and transmission of science data is possible. CommNet is a relay and control communication system implemented first in KSP 1.2 pre-release.
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