The Rocketry Forum

Help Support The Rocketry Forum:

  1. mpitfield

    70cm quadrifilar helix tuned for 434.55 - 435.45 range

    Can you tune a quadrifilar helix antenna for a frequency range vs. a specific frequency? There are a lot of documents as well as calculators for designing and tuning these home made antennas to a specific frequency. However as you know, sometimes we have to change frequencies on the field...