[TangerineSDR] digital_rf 2.6.2

Nathaniel Frissell nafrissell at gmail.com
Tue Jul 2 12:44:26 EDT 2019


Hi Tom,

Yep… that’s right!

73 de Nathaniel

> On Jul 1, 2019, at 10:53 PM, Tom McDermott via TangerineSDR <tangerinesdr at lists.tapr.org> wrote:
> 
> Hi Nathaniel:  nevermind, I figured out how to print messages from the reader.
> (Use the gnuradio message debug block).     192,000 sps.
> 
> ******* MESSAGE DEBUG PRINT ********
> ((14086000Hz (subdir_cadence_secs . 3600) (H5Tget_size . 4) (is_continuous . 1) (is_complex . 1) (epoch . 1970-01-01T00:00:00Z) (digital_rf_version . 2.6.0) (sample_rate_numerator . 192000) (num_subchannels . 1) (H5Tget_class . 1) (file_cadence_millisecs . 1000) (H5Tget_precision . 32) (sample_rate_denominator . 1) (H5Tget_order . 0) (samples_per_second . 192000) (digital_rf_time_description . All times in this format are in number of samples since the epoch in the epoch attribute.  The first sample time will be sample_rate * UTC time at first sample.  Attribute init_utc_timestamp records this init UTC time so that a conversion to any other time is possible given the number of leapseconds difference at init_utc_timestamp.  Leapseconds that occur during data recording are included in the data.) (H5Tget_offset . 0)))
> ***********************************
> 
> 
> 
> -- Tom, N5EG
> 
> 
> 
> 
> On Mon, Jul 1, 2019 at 7:45 PM Tom McDermott <tom.n5eg at gmail.com <mailto:tom.n5eg at gmail.com>> wrote:
> 
> HI Phil,  I $ git pull   the latest from github, updating to V2.6.2 and rebuilt from source.
> 
> The Digital RF Source (the multichannel capable version) still has the same error
> (being unable to iterate over the output types) but the single channel version
> Digital Channel RF Source works correctly, and is able to play back Nathaniel's
> data into a spectrum display.
> 
> Thanks for getting the github code updated !
> 
> Now need to download a lot more of the data to have a useful sample to listen to
> and tune around.
> 
> Nathaniel:  can you tell me what the sample rate was?  I have not yet figured out
> how to extract that from the metadata.
> 
> -- Tom, N5EG
> 
> 
> 
> -- 
> TangerineSDR mailing list
> TangerineSDR at lists.tapr.org
> http://lists.tapr.org/mailman/listinfo/tangerinesdr_lists.tapr.org

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