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Forum: OpenCPN 17-06-2018, 13:36
Replies: 15
Views: 2,613
Posted By LeaseOnLife
Re: An OpenCPN Plugin for the new Polar Weather Satellites?

correct!

That won't work for me, I made a home-built cross dipole with 1/2 wl, it worked well in the backyard, but couldn't fit on the boat.

Thanks!

That would help, 1/2 wl is just not...
Forum: OpenCPN 16-06-2018, 07:14
Replies: 15
Views: 2,613
Posted By LeaseOnLife
Re: An OpenCPN Plugin for the new Polar Weather Satellites?

OK, that I can do I think: add reflective elements 1/4 wavelength = 54.7cm below the MX137. What length should these reflectors be? Usually it should be 1/4 wavelength, but since the MX137 uses 1/8...
Forum: OpenCPN 16-06-2018, 04:05
Replies: 15
Views: 2,613
Posted By LeaseOnLife
Re: An OpenCPN Plugin for the new Polar Weather Satellites?

Thank you, these nulls show up as gray bars persistently, I have an explanation now. Lowering the antenna will bring it in the shadow of solar panels. For now, I can live with the nulls, now that I...
Forum: OpenCPN 15-06-2018, 19:03
Replies: 15
Views: 2,613
Posted By LeaseOnLife
Re: An OpenCPN Plugin for the new Polar Weather Satellites?

I have not! Is there an optimum range? Mine is roughly 3.5m above sea level, when not heeled.
Forum: OpenCPN 15-06-2018, 16:51
Replies: 15
Views: 2,613
Posted By LeaseOnLife
Re: An OpenCPN Plugin for the new Polar Weather Satellites?

Here is one pic, a few minutes old, admittingly an outstanding good example. Hardware: wraase.de mx137 antenna and apt-06 decoder, Ubuntu 18.04 on Dell 7470 laptop.

I do have a RTL-SDR dongle on...
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