[VK3YE] is aware of there are no less than two issues fallacious with the inexpensive antennas you get with maximum SDR dongles. First, they’re too quick. You’d love to have sufficient to tug out 1 / 4 wavelength at the longest frequency you need to perform. The second one drawback is there’s no actual flooring. He mounted either one of those issues, as you’ll see within the video underneath.
The end result could be known as an unsightly duckling relatively than a rubber ducky. However it does appear to paintings. It’s worthwhile to almost definitely get a hold of one thing nicer to reseal the bottom, however the tape does paintings. A pleasing three-D revealed housing would paintings, too, and would possibly support the semblance. We additionally idea in regards to the goop you utilize on instrument handles.
We in fact have merely minimize those antennas off and reused the cable and connector to hook up a greater antenna. It’s possible you’ll get extra mileage out of that method. Alternatively, the magnetic base and quite small shape issue is lovely horny.
If you wish to do earlier than and after checking out, we’d recommend. Or, simply chew the bullet and (*2*)construct one thing that appears adore it belongs in a film.