Different headings for same country

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WA2SQQ
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Different headings for same country

Post by WA2SQQ » 31 Aug 2019, 15:23

I'm wondering if someone can explain how two calls from the same country can show two distinctly different beam headings?

9M62MM shows 348 / 168
9M62MS shows 100 / 280
Both identify as East Malaysia

WA2SQQ
Old Man
Posts: 155
Joined: 16 Feb 2015, 20:13
Location: New Jersey US

Re: Different headings for same country

Post by WA2SQQ » 31 Aug 2019, 15:29

348 is the correct heading - FYI, both show the same heading according to QRZ.

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G4POP
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Re: Different headings for same country

Post by G4POP » 31 Aug 2019, 16:15

Short path and long path

Short path plus 180 degrees equals long path
73 Terry G4POP

WA2SQQ
Old Man
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Location: New Jersey US

Re: Different headings for same country

Post by WA2SQQ » 03 Sep 2019, 01:15

I full understand long path and short path .... Compare the two short path headings for each of the two stations (in the same country). Checking on QRZ, they both come back the same.

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G4POP
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Re: Different headings for same country

Post by G4POP » 03 Sep 2019, 05:21

WA2SQQ wrote:
03 Sep 2019, 01:15
I full understand long path and short path .... Compare the two short path headings for each of the two stations (in the same country). Checking on QRZ, they both come back the same.
When checking QRZ for these 2 calls neither have a locator which we use to calculate headings and on QRZ details both stations show different headings anyway!

When no heading is returned from lookup Log4om uses an approximation for country as there is no accurate grid reference available.
73 Terry G4POP

WA2SQQ
Old Man
Posts: 155
Joined: 16 Feb 2015, 20:13
Location: New Jersey US

Re: Different headings for same country

Post by WA2SQQ » 04 Sep 2019, 15:49

Thanks for the fast response - very much appreciated.
Checked QRZ and I'm getting the same results for both stations
Perhaps a variable associated with web browsers?
Beam Headings.jpg
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G4POP
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Re: Different headings for same country

Post by G4POP » 04 Sep 2019, 16:44

Strangely I am getting the same result and as you can see log4OM provides the same data for both calls?????


qrz LOOKUP.jpg
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73 Terry G4POP

WA2SQQ
Old Man
Posts: 155
Joined: 16 Feb 2015, 20:13
Location: New Jersey US

Re: Different headings for same country

Post by WA2SQQ » 04 Sep 2019, 18:44

Oh well, an unsolved mystery! Sri to take up so much of your time. I thought it might be of interest for the developers of the new version. Again, many thanks for your dedication to this great program. Not a big deal!

WA2SQQ
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Joined: 16 Feb 2015, 20:13
Location: New Jersey US

Re: Different headings for same country

Post by WA2SQQ » 06 Sep 2019, 15:00

Terry, something is definitely going on with beam headings in the latest version. I just spotted EP2C on the cluster. LOG4OM shows a heading off 100 / 280. That seemed incorrect, so I checked it on QRZ and it shows 42 (short path). Verified it with another source and 42 it is. MY grid square is FN20wv in case you want to try it. H is active on the cluster now.

Not complaining, but I just wanted to make you aware in case the same code is being used in 2.0
More strange, most other stations are OK.

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G4POP
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Re: Different headings for same country

Post by G4POP » 06 Sep 2019, 16:22

I think that you either need to update the files like clublog or country files or something similar because as you will see I cannot emulate your issue in Version 1 or 2, they are the same as QRZ within a gnats whisker -the bearing in V2 is at the top


Untitled.jpg
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73 Terry G4POP

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