w2nap.com :: ERP Calculator

Hamfest I may attend.

07/20 - Auburn Hamfest
07/21 - Van Wert Hamfest
07/27 - East Central Indiana HAMFEST
10/19 - Shelbyville Tailgate

ERP Calculator

01: Enter Transmitter Watts Output Power to the Duplexer.

02: Enter Manufacturers Duplexer Loss in db.
Enter 0 if you don't have a duplexer

03: Calculated Duplexer Power Loss in Watts.

04: Enter Manufacturers cable loss in db per 100 feet.

05: Enter Length of Feedline in feet.

06: Calculated feedline loss in db.

07: Calculated Power loss in feedline in watts.

08: Total watts lost.

09: Power to the Antenna.

10: Enter Antenna Gain in dBd (over dipole).

11: ERP Calculated Effective Radiated Power in watts.

12: Duplexer db loss Calculated.

13: Enter Receiver Sensitivity at Receiver in microvolts.

14: Calculated Receiver Sensitivity at Antenna input on Tower in microvolts.

15: Clear form

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