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Antenna System Evaluator Site

N6ACH Antenna System Evaluator

This JavaScript program evaluates the performance of your antenna system,
computing the consequences of SWR and feedline loss. 73 de Ron

JavaScript PROGRAM by
Original program concept done in CPM basic by KC6A and N6NB.


power from xmitter in watts  to1   VSWR @ xmitter 
(Optional Input) Feed line loss in db
(must be in line with other values) 
(Optional Input) Antenna gain in dBi:
Enter 2.2 for dipoles; add 2.2 for antennas rated in dBd  



reverse power at xmitter  to1   VSWR @ antenna
forward power in watts at antenna reflected power in watts from the antenna
true power in watts into antenna power in watts lost in feed line
db line loss including vswr effects EIRP in watts

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