Are RA-2s enough for relay inside Jool system?

[omelaw]

Or should I bring RA-15s to moons of Jool?

I already packed two RA-100 satelite to Jool to connect to kerbin

Edited January 27, 2017 by omelaw

[Spricigo]

Lets do the math and find out.

VAP = Stronger AP * ( Sum of AP / Strongest AP ) ^ ( Average Weighted Combinability Exponent for Vessel )

Range = SQRT ( VAP1 * VAP2)

where VAP =Vessel antenna Power, AP=antenna power, Combinability expoent its 3/4 for all antennas except Communutron 16 and 16S (we'll use 3/4 for this case)

RA-2, rated at 2G; RA-15, rated at 15G; RA-100, rated at 100G

For 1x RA-2 to 1xRA-2  range = 2Gm

For 1xRA-100 to 1xRA-2 range=SQRT(100*2)=14,14Gm

For 2xRA-2 to 2xRA-2 VAP=2*(4/2)^(3/4)=3,36  range=3,36Gm

For 1xRA100 to 2xRA-2 range =SQRT(100*3,36)=18,33Gm

For 1xRA15 to 1xRA-15 range=15Gm

For 1x100G to 1xRA15 range=SQRT(100*15)=38.73Gm

Jool SOI radius 2,5Gm

Pol Semi-major axis 180Mm