Ham Radio Antenna
Length Trim Calculator
for Lowest SWR.





Ham Radio Antenna
Length Trim
Calculator



Di-pole half wave antenna
for ham band frequencies.

Ham Band Dipole
Half Wave Antenna
Trim Calculator



Entry Form

Present Length: In Feet

Present Mhz: Lowest Mhz

Middle Mhz: Desired Mhz





Total Length

Revised Length: In Feet



See link below for
decimal to feet
conversion.




Using this Ham
Radio Antenna
Calculator.


Enter present antenna
length.

Enter present lowest
frequency in Mhz.

Enter desired middle
frequency in Mhz.

Calculator for
approximate trim.

Index



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Community Since 1998
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Ham Band Antenna
Length Trim Calculator
For Lowest Standing
Wave Ratio (SWR).


Calculate a Ham Radio
Dipole Antenna length
Trim at findnchoose.


You might be interested
in these links.

FM Antenna Length
Calculator


Antenna Quarter
Wave Vertical
Length Calculator


Ham Radio half
Wave Dipole
Length Calculator


Decimal to
Sixteenth
Calculator



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