DG7YBN / cert / Certified Builders
  Last Update July 18th 2020



Certified Builders List

With this list I give selected antenna builders chance to make a few of my designs for others and vice versa potential users of these a reassurance, that these Yagis are built in, what I think is a qualified way.

• DG7YBN Certified Builder ZS6JON


• DG7YBN Certified Builder M0ABA


To become a DG7YBN Certified Builder the following objectives have to be fulfilled:

• Qualified measurement equipment is at hand.
• Understanding and application of Boom Corrections.
• Skills in producing Symmetrising Members. • Good understanding of mechanics.
• Ability to produce mechanical geometries with appropriate precision.
• Produce of at least 12 well built and measured GTV Yagis of various designs and frequencies.

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73, Hartmut, DG7YBN

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