WSPR on 432MHz

WSPR discussion

Re: WSPR on 432MHz

Postby VK1JA » Fri Jun 26, 2015 11:34 am

VK5PJ and VK5AKK - I'd be interested to know what you 70cm setup is your way, just to know what is needed to do a path like this.

My set up on 70cm is a GPS locked TS2000 feeding into 11m of LDF4-50, then 6m of LMR400. Then a Advanced Receiver Research (ARR) boom mounted (about 30cm behind the reflector!) pre amp. Antenna is a home built 18 element LFA yagi at about 7m height. Location is in the middle of suburbia :(
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Re: WSPR on 432MHz

Postby VK5PJ » Fri Jun 26, 2015 11:54 am

Hi Jayson,
okay, rig is an IC-910H no preamp on this rig (mast head [ARR mgf 1402] only works on other non locked rig dues to interface problems)
feed line is 40 meters of LDF5-50 (via underground conduits) to meet a 4 metre tail of LMR-400 Ultra-flex, which feeds to what is now a quite old K1FO 32 element yagi (one of his experimental designs from the 1980's) that is at the very top of my tower about 17m above local ground.

The 910 is locked to a Trimble thunderbolt GPS using the Xref from vk3hz (Thanks David for your work).

tower photos (a bit old now) http://www.users.on.net/~pedroj/towers/tower8.html
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Re: WSPR on 432MHz

Postby VK2ZIW » Fri Jun 26, 2015 12:11 pm

When can we get 432 and 1296 into WSPR sauce code?

TS-2000 and IC-910H and Ic-9100 transceivers all have these bands.

BTW: With the latest (downloaded today, SVN) no "configure" is there for Linux,
so I copied one from Rev 4857 and it worked. Mods as usual to use f2py3 on my
Fedora 21 box here.

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Re: WSPR on 432MHz

Postby VK2KRR » Tue Jun 30, 2015 8:52 pm

Well done everyone running 70cm WSPR over the weekend. Certainly was able to detect all changes in the propagation extremely well with minimal power and fuss.
Quite a big opening over a number of days. Attached is some of the info from the database.

70cmWSPRdistance.JPG
Longest distances


70cmWSPR big sigs.JPG
Big signals
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Re: WSPR on 432MHz

Postby VK2KRR » Sat Oct 03, 2015 2:56 pm

Alan,

Just attaching a screen shot of your sig. Quite a severe shift part way through causing decode issue.

DXE70cm.PNG
VK3DXE 70cm
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