v0.14.1

• Don't consider UTC+14 invalid (it's the time zone in Kiribati)
• Use JSON object callsign_uncertain for call signs of stations whose
  PI code begins with a 1
• Fix syntax errors in schema

v0.14.0

• Add support for decoding call sign letters from North American (RBDS)
  stations - activated by the -u switch

v0.13.0

• Change the JSON structure in radiotext_plus: RT+ tags are now displayed as
  an array of objects with content-type and data:

"radiotext_plus":{
  "tags":[
    {"content-type":"item.artist",
     "data":"SeeB feat. Neev"},
    {"content-type":"item.title",
     "data":"Breathe"}
  ]
}

• Change the way frequencies are displayed for better machine readability, from
  "frequency":"87.9 MHz" to "kilohertz":87900
• Update jsoncpp from version 1.7.7 to 1.8.1

v0.12.0

• Add support for time-of-demodulation timestamps (-t, --timestamp)
• Add support for average block error rate (BLER) estimation (-E, --bler)
• Change the long option for -b to --input-bits and fix the incorrect
  option in the usage help

v0.11.0

• Add support for TMC alternative frequencies (tuning info variant 6)
• Add support for TMC gap parameter and enhanced mode (3A group variant 1)
• Change JSON schema for TMC: encryption_id is now under system_info
• Change PLL bandwidth and lowpass cutoff frequency to improve noise performance
• Change resampler anti-alias cutoff frequency to allow for lower sample rates
• Fix missing zero-padding in PIN time string
• Fix uninitialized PI field occasionally getting printed when the actual PI
  is missed
• Fix some names not getting read properly from the location database
• Fix grammar in some TMC event descriptions
• Fix potentially uninitialized data printout when a type 6B group was not fully
  received
• Fix potentially uninitialized RadioText+ tags when the group was not fully
  received
• Fix spurious printouts of "version B" groups when the C' offset was not seen

v0.10.0

• Add support for non-default sample rates (-r option) using an internal
  resampler
• Add support for reading audio files (libsndfile dependency, can be disabled)

v0.9.2

• Fix location table info being sometimes printed into the wrong stream
• Fix conflicting compiler optimization flags

v0.9.1

• Add support for type 14B EON groups
• Change rtl-rx.sh to run redsea installed in $PATH

v0.9

• Add support for Decoder Identification (DI)
• Add support for auxiliary character code tables (G1 and G2)
• Add support for TMC location tables (--loctable DIR), adds iconv dependency
• Add schema to specify JSON output format
• Fix UTC time zone being displayed as "-00:00"
• Fix PS strings getting trimmed

v0.8.1

• Add option -p or --show-partial to display PS and RadioText before
  completely received (disabled by default)
• Add support for EON variant 4 (alternative frequencies for other networks)
• Add support for LF/MF alternative frequencies
• Add support for frequency quantifiers in TMC
• Change the way alternative frequencies are printed (87.9 becomes "87.9 MHz")
  to allow for LF/MF frequencies
• Fix radiotext decoding for group 2B, thanks Anonymous
• Fix empty hex group printout at EOF