Calculating the "Magic Wand" antenna by WB5ISM


The idea for this two-meter full-wave loop antenna came to QST in February 1973.
Antenna description is here: The Magic Wand Antenna

Enter frequency : (MHz)
Square side length A (mm)
Distance B (mm)
Distance C (mm)
Total height = 2A (mm)
On-Line calculator from RA3TOXrfanat.qrz.ru
The length of the tuning line conductors for connecting the
power cable is approximately 70% of the "A" side of the square.
antenna

magic 403
Example of a 403 MHz antenna for receiving weather balloons (RA3TOX)

magic 403 magic 403
Example of connecting the power cable. After tuning the antenna to
resonance, the cable can be soldered directly to the terminals.


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