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Author SHA1 Message Date
Oliver Jowett 826d5e92fa Don't count ambiguous bits beyond bit 56 towards SNR. 2014-09-26 00:33:39 +01:00
Oliver Jowett 9fad408f57 Merge branch 'more-stats' 2014-09-25 22:03:57 +01:00
Oliver Jowett b98c6856b3 Move the stats reset strictly after stats display, so the total message count is shown correctly. 2014-09-25 22:02:52 +01:00
Oliver Jowett 67cdb0f01a Merge branch 'skip-remote-timestamps' 2014-09-25 21:46:34 +01:00
Oliver Jowett 3eb39ab788 Don't output message reception time in SBS format for remote messages. 
For remotely received messages that have a mlat timestamp, we have no
useful way of turning that timestamp into a wallclock timestamp, so
don't try, or we'll just produce wildly wrong results (_days_ in error)
 2014-09-25 21:45:46 +01:00
Oliver Jowett b58ae5a17e Merge branch 'more-stats' 2014-09-25 20:36:42 +01:00
Oliver Jowett 4fc2697555 Add stats for number of sample blocks processed and dropped. 2014-09-25 20:35:54 +01:00
Oliver Jowett 10061675de Add --stats-every <secs> option. 
Periodically displays and resets stats.
Useful for unattended operation.
 2014-09-25 20:33:50 +01:00
Oliver Jowett fd4c480df7 Merge cleanup. 2014-09-25 17:18:44 +01:00
Oliver Jowett d820ae1afc Merge branch 'prefer-global-cpr' 2014-09-25 17:18:08 +01:00
Oliver Jowett 661246d347 Prefer to use global CPR decoding where possible. 
There is a danger in always using relative decoding where possible.
If there is an undetected error in the first pair of messages received,
then global CPR decoding will give a bad position, and subsequent
relative decoding will just walk around near that bad position even
though many error-free pairs of odd/even messages may have been received.

The first pair of position messages also tends to be the most error-prone, as
they are usually received at the extreme edge of receiver range.

(I see this happen at least once a day in practice)

So, instead, prefer to use global decoding when we have sufficiently recent data.
With recent data this should always be as good as relative decoding, and it
avoids getting stuck with bad data for long periods of time. If we don't have
enough recent data for a global solution, fall back to relative decoding.
 2014-09-25 17:10:55 +01:00
Oliver Jowett af281592e8 Merge branch 'discard-bad-cpr-latitudes' 2014-09-25 16:10:27 +01:00
Oliver Jowett e5b3572e8b Reject out-of-range latitudes when doing CPR decoding. 
If a CPR message with an undetected error is received this can produce out-of-range results for latitude.
e.g. even latitude of 78000, odd latitude of 0 produces a latitude index j=35 and rlat0 = 213.
 2014-09-25 15:49:39 +01:00
Oliver Jowett 3f9c859800 Merge branch 'fractional-gain' 2014-09-24 20:02:00 +01:00
Oliver Jowett 95ccb90c76 Fix --gain with fractional gain values. 2014-09-24 20:01:06 +01:00
Oliver Jowett 5bcc7e1b9a Merge branch 'report-snr' 2014-09-23 14:07:53 +01:00
Oliver Jowett 83d256e984 Fix a thinko in computing the log10 table. 
(This shouldn't actually affect the resulting SNR since it's just a constant offset, and the errors in signal and noise will cancel out)
 2014-09-23 14:05:25 +01:00
Oliver Jowett e6e92b1e8e Merge branch 'no-decode' 
Conflicts:
	mode_s.c
 2014-09-23 00:01:54 +01:00
Oliver Jowett 5683001164 Add --no-decode option. 
This disables most decoding of the contents of Mode S messages, aircraft tracking, and some output modes that depend on them.
It's intended for edge receivers that just forward to a central hub rather than processing data locally.
 2014-09-22 23:56:49 +01:00
Oliver Jowett 76c958b03e Use a lookup table for SNR calculation. 2014-09-22 14:53:06 +01:00
hhm c265ea1d55 B"H net_io.c http server: hopefully mem code is OK now 
Still learning the ropes memory-wise :-)
 2014-09-17 07:58:19 -04:00
hhm 32fc5fddd0 B"H net_io.c: http server: content should be dynamically allocated 2014-09-17 07:32:34 -04:00
hhm df19d51bc6 B"H net_io.c: use %d like local code 2014-09-17 06:58:53 -04:00
hhm 8d307cd0eb B"H net_io.c: http serve: return HTTP response codes 2014-09-17 06:32:03 -04:00
hhm 04f4abda70 B"H net_io.c: add missing else statement 2014-09-15 09:08:49 -04:00
Oliver Jowett 2e45a59986 Make signalLevel represent the SNR in dB, rather than a somewhat arbitrary amplitude value. 
Include SNR values when dumping message contents.
 2014-09-15 02:49:11 +01:00
Oliver Jowett 0378620445 Merge branch 'improve-phase-enhancement' 2014-09-15 01:58:38 +01:00
Oliver Jowett 31b28b3878 Rearrange phase enhancement so that it handles phase errors in both directions. 
This almost doubles the number of messages recovered by phase enhancement.
 2014-09-15 01:43:14 +01:00
hhm eb41be3884 B"H net_io: http: check if file can be sent 2014-09-14 06:28:03 -04:00
Oliver Jowett 7fab5b0cb5 Check if bit correction happened before bailing out due to a bad CRC. 2014-09-13 12:11:19 +01:00
hhm 84fa09c228 B"H net_io.c: revert previous change and advertise HTTP 1.1 
It seems server code should be compatible with HTTP 1.1; the features
unique to 1.1 mostly are upon the client to support, and some headers
used (for example Cache-Control) may need 1.1.
 2014-08-18 03:06:43 -04:00
hhm 0317c48aac B"H make sure to close sockets when finished 2014-08-15 04:39:35 -04:00
Trevor Slocum e5fddba182 Add flightradar24.com link 2014-08-10 00:01:31 -07:00
Trevor Slocum b7d01c5615 Don't restrict sidebar width 2014-08-07 23:50:28 -07:00
Trevor Slocum 14ff25b87f Improve map display layout and styling 2014-08-06 19:31:05 -07:00
Malcolm Robb a82df07c0c Version 1.09.0608.14 
Release of COAA PlanePlotter MLAT and SMU support for RPi

ppup1090 now supports Ground Stations functions required for MLAT and
SMU operation. This is *ONLY* available for RPi and similar linux
hardware.

Also included are sample startup scripts for dump1090 only and
dump1090+ppup1090 together.
 2014-08-06 15:29:08 +01:00
Malcolm Robb 90fa1dac81 net_io port 30003 bug 
Thanks to "Harrie" for this one.
Fix the SBS port 30003 stream to always include speed and/or heading
when available.
 2014-08-06 15:29:07 +01:00
Malcolm Robb f1b85ec5e7 Tidy up interactive.c 
Remove spaces from the end of line.
 2014-08-06 15:29:06 +01:00
Malcolm Robb 845289ad9f Version 1.09.1607.14 
Improvements to COAA MLAT functions
Reduce CPU load in PPUP1090 and DUMP1090 during cleanup
 2014-08-06 15:29:06 +01:00
Malcolm Robb 8b05286a24 Version 1.09.1007.14 
Updates to support COAA Planeplotter Ground Station on an RPi
 2014-08-06 15:29:05 +01:00
ddeitterick df4a8ce00b Change the Background Color for a Plotted Plane 
Changed the background color for a plotted plane in the planes table to
something that was more easily visible.
 2014-08-03 22:11:09 -04:00
ddeitterick 0c2487df30 Add Degree Symbol to Track Value 
Add the degree symbol to the "Track:" value in the plane details
section.
 2014-08-01 23:42:58 -04:00
ddeitterick f933ed2723 Center "Distance from Site" for Selected Plane 
Center "Distance from Site" under "Lat/Long" for selected plane.
 2014-07-16 21:51:41 -04:00
ddeitterick a13c2f8540 Add Distance to Table Info 
Add distance to table if site coordinates are provided and sort the
table by distance.  If coordinates aren't provided, the column isn't
displayed.
 2014-07-16 21:42:02 -04:00
MalcolmRobb a17e5b0f98 Merge pull request #23 from hhm0/decoding 
use last recent airplane position to calculate its ground position
 2014-07-16 15:21:42 +01:00
hhm d1b37ad1c5 B"H decoding: use last air position to calculate ground position 2014-07-14 04:03:07 -04:00
MalcolmRobb 60e2c92c05 Merge pull request #21 from hhm0/view1090_net_mods 
View1090 net mods
 2014-07-10 16:52:46 +01:00
MalcolmRobb f68ae551df Merge pull request #22 from matthewbrandes/master 
Allows choosing device by serial number rather than device index which can change.
 2014-07-10 16:48:53 +01:00
matthewbrandes 6f14ecf7dd Update dump1090.c 2014-07-08 17:34:43 -05:00
matthewbrandes c80582274b Delete convienience.c 2014-07-08 17:32:30 -05:00