<div dir="ltr">Sorta related - does anyone know of amps in the 13 cm ham range that put out more than a 0.5 W?<br><br>Martin W6MRR</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Oct 30, 2022 at 2:05 PM Samudra Haque <<a href="mailto:samudra.haque@gmail.com">samudra.haque@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Phased arrays? PA controller chips are plentiful</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Oct 30, 2022, 15:53 Alex Fraser <<a href="mailto:beatnic@comcast.net" target="_blank">beatnic@comcast.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p><font face="Comic Sans MS">You can fit a whole bunch of 13
centimeter band antennas in a small plastic jar. That's just
what I did when I scrapped out some older laptops. The antennas
are usually behind the display screen so when it is being used
the antennas sit up a bit from your desk. The tiny coax runs
behind the screen and next to the hinges to the WiFi card on the
laptop's motherboard.</font></p>
<p><font face="Comic Sans MS">It looks to me like some of these
antennas are J Poles, I hope you can see where I circled the
matching coax location.</font></p>
<p><font face="Comic Sans MS">My application for these antennas is
as replacements for busted WiFi antennas on a DJI Phantom 3
drones video and telemetry download radio. I bought the drone
used and it had been in a crash, so I got a good price. The
original antennas had their cables yanked apart. The originals
were panel antennas and go used for $20 ~ $30. I might try both
kinds and see how they work in the crazy drone environment.
Drones move around so polarity and pattern have to be figured
into the antennas. There is a lot of ham input into the drone
hobby. Having almost 40 years experience playing with antennas
sure helps...</font></p>
<p><br>
</p>
<img alt="Antennas" width="800" height="1066">
</div>
_______________________________________________<br>
Tacos mailing list<br>
<a href="mailto:Tacos@amrad.org" rel="noreferrer" target="_blank">Tacos@amrad.org</a><br>
<a href="https://lists.amrad.org/mailman/listinfo/tacos" rel="noreferrer noreferrer" target="_blank">https://lists.amrad.org/mailman/listinfo/tacos</a><br>
</blockquote></div>
_______________________________________________<br>
Tacos mailing list<br>
<a href="mailto:Tacos@amrad.org" target="_blank">Tacos@amrad.org</a><br>
<a href="https://lists.amrad.org/mailman/listinfo/tacos" rel="noreferrer" target="_blank">https://lists.amrad.org/mailman/listinfo/tacos</a><br>
</blockquote></div>