Revision history for Perl extension RF::Antenna::Planet::MSI::Format.

0.14 2022-12-22
  - Updated electrical_tilt_degrees to support perl 5.8

0.13 2022-12-15
  - Updated electrical_tilt_degrees method to fold negative tilts into positive downtilts.

0.12 2022-12-15
  - Added methods tilt and electrical_tilt_degrees
  - Added tests t/012_tilt.t
  - Updated read_fromZipMember to use Archive::Zip->member->content instead of Archive::Zip::MemberRead->getline

0.11 2022-12-14
  - Updated documentation for horizontal and vertical methods
  - Added methods file_extension and media_type

0.10 2022-12-02
  - Imported functions dbd_dbi and dbi_dbd from RF::Functions whch uses 2.15 conversion factor instead of 2.14.
  - Simplified dbi logic in gain_dbd method
  - Updated all tests to pass with the FCC/Wikipedia dipole gain factor

0.09 2022-12-01
  - Updated read method to die on empty files

0.08 2022-10-20
  - Added new blob method
  - Added _parse_polarization function inside read method to support horizontal and vertical quirks from vendors
  - Updated doc

0.07 2022-10-19
  - Fixed read method to handle trailing empty lines

0.06 2022-10-19
  - Updated the parse architecture of gain_dbd to match work done in frequency_mhz

0.05 2022-10-18
  - Updated method frequency_mhz to support frequency ranges found in many MSI files
  - Added methods frequency_mhz_lower, frequency_mhz_upper, frequency_ghz_lower, frequency_ghz_upper

0.04 2022-10-12
  - Header keys are no longer forced to be upper case as vendor extensions are lower/mixed case - NOT 100% backward compatable
  - NAME is assumed to be first line even when NAME key token is surpressed - NOT 100% backward compatable
  - NAME is always written as first line with NAME key token

0.03 2022-10-11
  - Added method read_fromZipMember with tests

0.02 2022-09-30
  - Updated gain_dbd method to parse different formats of text based storage of gain header
  - Updated t/005_gain_freq.t to test all the formats that I know about

0.01 2022-09-16
  - Replaced header order capability with Tie::IxHash
  - Added example script scripts/perl-RF-Antenna-Planet-MSI-Format-printer.pl
  - Fixed issue in read method on leading spaces in horizonal and vertical data sets
  - Added scalar ref support to write method
  - Added scalar ref support to read method
  - Added capability for empty string headers fields
  - Fixed frequency_mhz and gain_dbd logic
  - Added electrical_tilt and comment helper methods

0.00 2022-09-14
  - original version; created by h2xs 1.23 with options
  - new, read and write method are operational