Summary

STL files for my desing of a QFH antenna for NOAA APT, simulated and tested with a vector analyzer to correspond with APT frequencies.

You can find the full guide on how to build it (along with some info on filters and amplifiers) on Instructables:

https://tinyurl.com/yytdlrfq

Print Settings

Printer:

Creality CR-10S

                                            <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0.2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>100%</p></div></p>                                                    <strong>Filament:</strong> eSUN PETG                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Printed with PETG to be water resistant and durable.</p></div>

Post-Printing

Fit the 3D printed parts to a 25 mm pipe, connect the wires and the feed line.

NOAA APT QFH Antenna