- Pager and sensor gain inputs changed from unvalidated text fields to
number inputs with min/max/step constraints
- ADS-B dashboard now exposes a gain input in the tracking strip;
previously gain was hardcoded to 40 dB with no user control
- validate_gain() ceiling raised from 50 to 102 dB to support HackRF
(LNA 40 + VGA 62 = 102 dB combined) and LimeSDR (73 dB)
- sdrCapabilities gain_max values corrected: HackRF 62→102, Airspy 21→45
- onSDRTypeChanged() now propagates gain_max to all mode gain inputs so
HTML constraints match the selected SDR's actual range
Closes#162
Each SDR mode now includes frequency-specific antenna guidance:
- Pager: VHF/UHF dipole info for 153/929 MHz bands
- 433 MHz Sensors: quarter-wave ground plane for ISM band
- Utility Meters: 912 MHz stock antenna tips and upgrades
- APRS: 2m band dipole and commercial options for 144.39 MHz
- SSTV: V-dipole for ISS reception at 145.800 MHz
- AIS: marine VHF antenna for 162 MHz vessel tracking
- Listening Post: wideband discone recommendation with band table
- Meshtastic: LoRa 915/868 MHz antenna upgrades and placement
- ADS-B: 1090 MHz collinear, commercial options, LNA/placement
Each guide includes antenna type, element lengths, placement tips,
and a quick reference table with key specs for the mode.
https://claude.ai/code/session_01FjLTkyELaqh27U1wEXngFQ
- Extract inline CSS to static/css/modes/ (acars, aprs, tscm)
- Create HTML partials for all 9 modes in templates/partials/modes/
- Reduce index.html from 11,862 to 10,281 lines (~15% reduction)
- Use Jinja2 includes for cleaner template organization
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>