Same Results as Rich
pandes@laptop1:/home/panders# $GOPATH/bin/rtldavis -tf US
08:51:13.602306 rtldavis.go VERSION=0.10
08:51:13.602440 tr=1 fc=0 ex=0 actChan=[0] maxChan=1
08:51:13.602729 BitRate: 19200
08:51:13.602744 SymbolLength: 14
08:51:13.602757 SampleRate: 268800
08:51:13.602772 Preamble: 1100101110001001
08:51:13.602781 PreambleSymbols: 16
08:51:13.602789 PreambleLength: 224
08:51:13.602800 PacketSymbols: 80
08:51:13.602811 PacketLength: 1120
08:51:13.602821 BlockSize: 512
08:51:13.602829 BufferLength: 2048
Detached kernel driver
Found Rafael Micro R820T tuner
08:51:14.072269 {ChannelIdx:0 ChannelFreq:902348338 FreqError:0}
Exact sample rate is: 268800.001367 Hz
Allocating 1 zero-copy buffers
08:51:14.267370 Init channels: wait max 133 seconds for a message of each
transmitter
08:53:19.876665 TRANSMITTER 0 SEEN
08:53:19.876755 Hop: {ChannelIdx:19 ChannelFreq:911881597 FreqError:29}
08:53:22.503321 ID:0 packet missed (1), missed per freq: [0 1 0 0 0]
08:53:22.503395 Hop: {ChannelIdx:41 ChannelFreq:922920108 FreqError:29}
08:53:25.065262 ID:0 packet missed (2), missed per freq: [0 1 1 0 0]
08:53:25.065329 Hop: {ChannelIdx:25 ChannelFreq:914892100 FreqError:29}
08:53:27.627171 ID:0 packet missed (3), missed per freq: [0 1 1 1 0]
08:53:27.627279 Hop: {ChannelIdx:8 ChannelFreq:906362342 FreqError:29}
08:53:30.191114 ID:0 packet missed (4), missed per freq: [0 1 1 1 1]
08:53:30.191193 Hop: {ChannelIdx:47 ChannelFreq:925930611 FreqError:29}
Reattached kernel driver
panders@laptop1:/home/panders#
On Sunday, March 24, 2019 at 7:24:17 AM UTC-4, [email protected] 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
>
