Complete all white boxes and then click the calculate button to obtain results in the green boxes.
If you are not using dish antennas at one or both ends, then estimate the gain in dBi of the yagi, dipole, tin can, horn etc that you have. e.g dipole gain = 3 dBi, tin can 7 dBi, bi-quad 8 dBi, helix 12 dBi, jagi 10 dBi etc. Input numbers into the white box for antenna diameter and keep altering the number till the antenna gain is as you want it.
I would be interested for anyone to evaluate this calculator and put right any errors, make suggestions for improvements etc.
General purpose satellite link budget calculator
Other satellite related pre-calculated link budgets with useful default parameters inserted (may be amended and recalculated):
Any problems or comments please e-mail Eric Johnston