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70cm

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    Ham and Eggs - Eggtimer TRS & LCD Now in 70cm Ham Version

    Eggtimer Rocketry is proud to announce the availability of our premier GPS tracking product, the Eggtimer TRS GPS transmitter/altimeter and the Eggfinder LCD receiver on the 70cm Ham band. This is our first Ham-only product, with some advantages over the non-licensed 900 mHz band products...
  2. 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...
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