Luc

If the driver decodes a packet, it still does not jump to the next hop 
frequency.  It jumps from 10 to 46 instead of jumping from 10 to 49.

18:50:40.299734 Hop: {ChannelIdx:38 ChannelFreq:921414856 FreqError:74}
18:50:42.862026 ID:0 packet missed (16), missed per freq: [0 0 0 1 0 1 0 0 
1 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 1 0 1 0 0 1 0 0 0 1 0 1 0 0 1 0 0 1 0 
0 1 0 0 0]
18:50:42.862226 Hop: {ChannelIdx:10 ChannelFreq:907365843 FreqError:74}
18:50:45.360001 5000BEFF7100D714 2 0 0 0 0 msg.ID=0
18:50:45.360130 Hop: {ChannelIdx:46 ChannelFreq:925428860 FreqError:62}
18:50:47.987178 ID:0 packet missed (1), missed per freq: [0 0 0 1 0 1 0 0 1 
0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 1 0 1 0 0 1 0 0 0 1 0 1 0 0 1 0 0 1 0 1 
1 0 0 0]
18:50:47.987429 Hop: {ChannelIdx:18 ChannelFreq:911379847 FreqError:62}
18:50:50.549197 ID:0 packet missed (2), missed per freq: [0 0 0 1 0 1 0 0 1 
0 0 0 0 1 0 0 1 0 1 1 0 0 1 0 0 1 0 1 0 1 0 0 1 0 0 0 1 0 1 0 0 1 0 0 1 0 1 
1 0 0 0]

Rich

On Sunday, March 24, 2019 at 7:24:17 AM UTC-4, ljm.h...@gmail.com wrote:
>
> 2019-03-24 NEW RELEASE rtldavis
>
> main.go version 0.10 (commit 5858894)
> protocol.go version 0.9 (commit e8ff83d)
>
> Changes:
>
> - Fixed wrong calculation of next hop index in some situations.
>
> - Addaed presentation of missed number of messages per channel.
>   Note: The missed number of messages should be spread equaly over the 
> channels.
>   When some channels have much higher error numbers than average, 
>   this may indicate a not optimal channel frequency.
>
> - Added frequency correction.
>   Note: Each RTL-SDR device will have its own frequency error.
>   The same with the Davis equipment: each Davis transmitter will haave its 
> own frequency error.
>   Also each frequency channel will have its own frequency error.
>   protocol.go version 9 calculates per Davis transmitter and per channel 
>   the average frequency error over the last 10 occurrences and use this 
> value to correct 
>   the next frequency for the next time the same transmitter and frequency 
> channel is selceted.
>
> - Updated channel frequencies EU and US
>   Based upon recent test values.
>
> Luc
>

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