Re: Orbcomm and Satellites Freq file questions

Patrick Lindecker
 

Hello,

 

>FM103

 

FM33 and 103 are equivalent (below an extract from the “Frequencies” manual):

ORBCOMM (satellites) (FM)

ORBCOMM satellites FM04...FM36, FM103..109 on 137.2000 137.2250 137.2500 137.4400 137.4600 137.6625 137.6875 137.7125 137.7375 137.8000 MHz (+/- 2.5 KHz of Doppler shift)

Frequencies (KHz) (each number must be preceded by "FM"):

137200 05 06 09 12
137225 13 14 15 16 18 19 20
137250 24/104 26/106 33/103 37/107 39/109
137287.5 25/105 27 28/118 40/110 44/114
137312.5 24/104 26/106 33/103 37/107 39/109
137440 30 31 35 36
137460 38/108 45/115 47/117
137662.5 34 29/119 42/112 43/113 46/116
137687.5 04
137712.5 21 23
137737.5 25/105 28/118 32 40/110 44/114
137800 07 08 10 11

>satellites

Have you clicked on the “Downloading” button to update the TLE files.

 

>Some do, some don't (I realize only the closest should display

Yes normally, the closest only displays. However, I will check this, as it seems that this function does not work well…

 

For about the moment when a satellite appears, you can adjust the minimum elevation.

 

>How are you formatting the file?
The file is just a text file called SATELLITES_FREQUENCIES.TXT on the Multipsk package.

 

73

Patrick

 

De : multipsk@groups.io [mailto:multipsk@groups.io] De la part de tmoo_moose@...
Envoyé : vendredi 20 mars 2020 14:09
À : multipsk@groups.io
Objet : [multipsk] Orbcomm and Satellites Freq file questions

 

Hi,
(First post here - be kind)

A couple of questions - Was there any resolution to the discrepancy in the Orbcomm satellite numbering issue? (i.e satellite tracker in Multipsk shows FM103, but the decode and map screens show FM33) I read through the past posts on this but didn't see a conclusive answer. Is there a work around for this?

Also, kind of related, I've updated the satellites_frequency file with the amateur satellites using the names from the TLE file, but not all of them show up in the 'controls'/ frequency box on the tracking screen when they come in range. Some do, some don't (I realize only the closest should display), I used copy and paste for the names so spelling shouldn't be an issue. Does anyone here use this feature? How are you formatting the file?

Thanks for listening, be well and stay indoors!
Trev.




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