Khanfar Spectrum Analyzer

Analysis Tab and Smart Scan Control

• Added Analysis tab with Mask Trigger modes, POI monitor, band statistics, candidate inspector, and CSV export workflows
• Added trigger-action engine that can pause scan, start recorder, add favorites, alert, or popup when analysis conditions fire
• Added smart priority scan, adaptive dwell, smart fallback, and one-click temporary auto-fix helpers for difficult scan conditions
• Added persistent analysis settings storage with migration/sanitization path for stable upgrades

IQ R-P Record / Playback Workflow

• Added dedicated IQ R-P tab for DAT+META and DGZ+DGZM recording, live record status, and playback control
• Added CFG import/apply/export workflow so playback sessions can restore related tuning and analysis context
• Added playback analyzer popup modes including FFT, waterfall, power-vs-time, and I/Q view
• Added return-to-live workflow and optional playback demod audio through the normal radio path

3 Layers Gamma FFT Visual System

• Added dedicated 3 Layers Gamma FFT tab with live embedded controls for palette, background, FFT, decay, size, floor, and position
• Added fully customized three-layer rendering: main Gamma layer plus G2 and G3 overlays, mix presets, art1 to art4 visual modes, and interactive legend controls
• Added optional Second Gamma Box with independent settings, presets, position control, and mouse-resizable splitter
• Improved Gamma/Fosphor layout persistence and screen-aware normalization for smaller displays

Hardware and Runtime Expansion

• Added SpyServer support for localhost or same-LAN remote Airspy workflows with Radio-tab host/port apply controls
• Added Radio-tab DC Correct control to reduce the common center spike on HackRF and other zero-IF paths when driver support exists
• Expanded remote workflow flexibility while preserving existing RTL-SDR, RTL-TCP, Airspy, HackRF, BladeRF, Pluto+, USRP, SDRPlay, and decoder paths

RTL-TCP Network SDR and Link Reliability

• Added full RTL-TCP receiver support (local or remote) with host/port controls and settings persistence
• Added network operation presets: Low Latency, Stable Wi-Fi, Balanced, and Max Throughput
• Added reconnect/backoff handling and live connection-health status for remote RTL workflows
• Added startup/CLI integration for RTL-TCP targeting and cleaner runtime stop/disconnect behavior

ARH RX CONTROL Fixed Panel and Smart Tuning

• Added always-visible ARH RX CONTROL panel above tabs with large live frequency display and level meter
• Added quick controls for SCAN, PAUSE/RESUME, START, STOP, SKIP, and direct numeric keypad tuning (dot/clear/enter/MHz)
• Added expanded band catalogs and BAND+/BAND- navigation, including HF broadcast and ham ranges
• Added T0 auto modulation switch and linked Radio-tab toggle so band/keypad presets apply expected demod mode automatically
• Added automatic WFM/narrowband conflict handling to reduce manual toggle steps during tuning

Demodulation and Audio/Squelch Control Expansion

• Added new demod modes: RAW, USB, LSB, CW, and DSD while preserving NFM/AM/WFM paths
• Added AGC quick presets (OFF/FAST/MED/SLOW) with selected-state highlighting in fixed panel
• Added ASQ toggle, SQL slider, GAIN slider, and unified MUTE behavior for narrowband and WFM paths
• Improved weak/noisy AM handling with Sync AM support, AGC behavior controls, and practical AM mode presets

Decoder Tab and CAT Bridge Workflows

• Added Decoder tab workflows for FT8/FT4/RTTY U/L/PSK/PSK31/PSK63/SSTV with preset tune lists and mode hints
• Added built-in CAT bridge (Hamlib rigctl TCP) for WSJT-X and FLdigi frequency/mode sync with ARH
• Added Decoder-tab audio output selector for quick VAC/loopback routing changes without leaving the tab
• Added NTP timing guard and offset-check tools for FT8/FT4 clock validation workflows
• Added decoder backend selector (External Apps / Internal Beta) with native in-app RTTY and PSK31/PSK63 decoding

UI and Runtime Stability

• Added Hover FFT guide/readout in Radio tab with persistent setting support
• Improved panel sizing/fit for keypad and frequency cells in default-width control-panel layouts
• Fixed high-sample-rate CW filter stress path that could starve scheduler and blank Fosphor
• Preserved existing RTL-SDR, Airspy, HackRF, BladeRF, Pluto+, USRP, and SDRPlay workflows while layering v1.08 additions

Automatic Tuning Control Center and Profiles

• Added new Automatic tuning settings popup with live controls for spot-lock, min SNR, persistence, stable-time, timeout, release hold, and candidate handling
• Added Automatic tuning profile workflow with Activate, Save, Save as, and Delete actions
• Active automatic-tuning profile now restores automatically on next launch for faster mission setup
• Improved auto-to-manual handoff: manual mode can return to last automatic tuned frequency (center fallback when needed)

NFM FFT Mask Workflow and Profile Management

• Added Mask workflow in Radio tab with GREEN allow and RED block rectangle drawing on FFT
• Added GREEN scope modes (Global or Visible span only) for better operational targeting
• Added named mask profiles with create/save as/rename/delete plus multi-profile enable checkboxes
• Added right-click FFT mask actions for Add Mask Here, mask rename/delete, and quick scope switching
• Mask names now appear in overlay labels and lists; double-clicking a mask entry can retune to mask center

Operator Copilot Mission Advisor

• Added Operator Copilot popup with Raw Data, Decision Cards, and Analysis Feed panels
• Added one-click Apply Selected action and Ignore 30s suppression for noisy recommendation cards
• Copilot now recommends practical runtime actions for scan hold, squelch tuning, spot-lock, masking, and digital follow alignment
• Decision cards include confidence/score context to help operators apply safer real-time adjustments

Digital Follow and SDR Runtime Expansion

• Added digital follow-main behavior when control-list trigger is OFF, allowing DSD/NEO to track main GUI active frequency
• Added SDRPlay support in main GUI runtime and standard SDR device start workflow
• Integrated SDRPlay gain/sample-rate behavior with existing Radio-tab control flow
• Preserved existing RTL-SDR, Airspy, HackRF, BladeRF, Pluto+, and USRP workflows while adding v1.07 paths

Visual Stability and Compatibility

• Improved mask overlay alignment during resize, split views, and fullscreen layout changes
• Improved overlay refresh/cleanup behavior for smoother drag/tune flow and lighter shutdown path
• Finalized mask mode around rectangle-only behavior for stable daily operation
• Legacy triangle mask data is mapped to rectangle behavior for compatibility with older configurations

Pluto+ and USRP Hardware Expansion

• Added Pluto+ in Radio runtime with USB/Ethernet link workflow, link apply controls, and auto-detect helper
• Added Pluto+ status panel with live runtime/link/sample-rate/gain-mode values
• Added USRP support in Radio tab for NFM, AM, and WFM operation
• Added USRP advanced runtime controls (gain mode, channel, IF/BB, antenna, clock/time, args/subdevice)
• Added USRP status panel and live apply behavior with saved settings restore on restart

Detection, Probe, and Runtime Flow

• Added shared Pluto-USRP probe toggle so Initialize SDR and Digital Refresh can skip optional probes for faster startup
• Improved Pluto LAN-only detection behavior with expanded host candidates and safer fallback/manual hint handling
• Added dedicated Pluto detection trace log for easier field troubleshooting

Tuning UX and Calibration Upgrades

• Upgraded tune marker behavior to remain frequency-anchored during resize/fullscreen and automatic tuning updates
• Added Click calibration toggle (session default OFF) with optional nearest-peak snap and self-learning mapping
• Added horizontal crosshair control (H-/H+) and active-frequency label at cross intersection
• Cursor-readout OFF now force-hides overlays to prevent stale marker visibility

WFM and Digital Workflow Enhancements

• Added WFM Extended Buttons mode with multi-row quick controls, seek shortcuts, and editable preset access
• Added WFM tab sample-rate selector synced with main Radio sample-rate controls
• Improved WFM seek lock accuracy and center-follow behavior after station lock
• Capped WFM volume to 0.70x for cleaner output headroom and consistent runtime clamp behavior
• Added Digital TK follow toggle to mirror live talk frequency on cursor while digital runtime is active

Persistence and Stability

• Improved one-EXE settings persistence with automatic writable-path fallback to %LOCALAPPDATA%\AnalogRadioHunter
• Persisted new calibration and crosshair state values for more consistent restart behavior
• Preserved existing RTL-SDR, Airspy, HackRF, and BladeRF workflows while adding v1.06 hardware/runtime paths

Digital Runtime and Control Workflow

• Hybrid control behavior enforced: Use Control List ON follows control-list mode, OFF follows main/manual tuning mode
• Automatic receiver restart on mode switch when needed so users do not need manual recovery
• Improved Start/Stop/Restart reliability and reduced repeated-dongle failure rate
• Better Digital device-selection persistence across refresh/start/stop/restart flows
• Fixed AM/NFM + airband scan settings persistence so settings are preserved across restarts and no longer get unexpectedly disabled in JSON
• Digital asset warning text now clearly states DSD files are required only for Digital Start; normal Radio tab AM/Airband scan/listen works without DSD files

Radio Bias-T Reliability (RTL-SDR + Airspy)

• Added dedicated Radio-tab Bias-T checkbox near PPM controls (separate from Digital NEO Bias-T)
• Radio-tab Bias-T now supports both RTL-SDR and Airspy receivers
• Fixed cases where Initialize/Start could clear manually enabled Bias-T on some systems
• Main receiver source now applies saved Bias-T preference on open/start; safer RTL listing reduces reset side effects, and Airspy bias-argument fallback keeps startup stable on unsupported backends

cc RTLv2 Report and Scan Stability

• Probe dwell updated to fixed 8 seconds per candidate for cleaner CC validation
• Smarter force-to-RC behavior when scan starts from voice-follow mode
• Improved probe/retarget diagnostics and compact export report flow
• Close action restores Use Control List ON and restarts receiver to return to expected operating state

Monitoring and Reports

• Added Channel Activity panel with cleaner row normalization/filtering
• Added Log Analytics panel and live Error Burst visibility
• Added Extract Report flow with compact one-sheet summary output

Radio Calibration

• Added RTL-only PPM Calibration Tool in Radio tab near PPM controls
• Known-carrier method with live active frequency, offset/error view, and suggested PPM apply action
• Safety gates: requires receiver running, NFM enabled, and Automatic tuning enabled

Digital DSD-NEO Integration

• Added NEO toggle in Digital tab to switch between original digital path and DSD-NEO path
• ARH GUI now controls dsd-neo.exe as an external decoder process using local runtime and UDP control
• Added NEO settings panel with Mode, SQL, BW, Gain, PPM, Vol, Dig Gain, Trunk, UDP Ctrl, Bias-T, Auto PPM, and follow controls
• Added TG Hold and Hang-time controls for trunk-follow behavior
• Added key/CSV controls (Channel, Group, Dec/Hex keys, BP/RC4/H/Stream key fields) with explicit apply flow
• Added NEO Recording toggle (default OFF) and optimized recent-lines Call Info log behavior

Smart Tool and Workflow Enhancements

• Added Smart Tool popup for easy CSV creation with valid formats
• Supports Channel Map CSV, Group List CSV, Decimal Key CSV, Hex Key CSV, and DMR Tier III LCN helper flow
• Smart Tool output is saved in app-side folder and can be saved for later or immediately applied

Core SDR Runtime Improvements

• Improved startup flow so GUI is smooth first, then SDR initialization is driven from UI actions
• Improved Start/Stop stability and SDR switching behavior across multiple devices
• Added/confirmed BladeRF workflow support and smoother switching with RTL-SDR, Airspy, and other supported devices

Digital DSD+ OP25 Processing

• Advanced digital DSD+ OP25 processing with constellation analysis and control channel detection
• Control Channel Finder with three detection methods: Find CC button, Fixed View, and Classic Sweep
• Real-time Constellation Visualization showing digital signal modulation patterns and 4-dot cross detection
• Dual RTL-SDR Support for digital processing (main dongle for scanning, secondary for DSD+ decoding)
• Advanced CC Detection Algorithms using constellation plot analysis with confidence scoring
• Digital Tab Interface with control channel management, constellation viewer, and auto-catch functionality
• Signal Quality Metrics for digital signals including SNR, persistence, history points, and constellation quality scores
• Constellation Auto Catch with Fixed View and Classic Sweep modes for automated CC detection
• DSD+ Integration requiring external DSD+ Public Release files for voice processing
• Frequency Source Options for constellation viewer (Control, Active, Automatic modes)

Team Wall Collaborative Operations Center

• Multi-operator LAN workspace with shared live radio snapshot/log monitoring
• Per-frequency notes/tags and frequency claim/release system with conflict protection
• Role-based access control (observer/controller/admin) with permission-scoped actions
• Integrated live log monitor showing metrics, detections, favorites, and scan debug data
• Account-based login system with host-admin user management and persistent storage
• NFM/AM mode logging support for comprehensive analog signal monitoring
• Real-time live voice streaming for local team monitoring and coordination
• Action Feed and shared wall data with automatic save/restore functionality
• LAN firewall setup tool (allow-lan-server.exe) for easy network configuration

Enhanced Web Control Interface

• Web Control interface with comprehensive remote management capabilities
• NFM/AM mode support extending beyond WFM for complete analog coverage
• Live voice streaming integration for remote audio monitoring
• Team Wall integration with role-based command permissions
• Operator presence management and real-time collaboration tools
• Mobile-responsive design for tablet and smartphone access

Hardware Requirements

• Two RTL-SDR dongles required for digital features (main + secondary)
• External DSD+ Public Release software for voice processing
• LAN network setup for Team Wall collaborative operations

New Features

• Added Adaptive Squelch Smart Auto mode with no required manual Open/Close margin input.
• Added Peak-Follow Persistence Filter to require repeated peak confirmation before retune/open, reducing one-shot spike triggers.
• Added optional Spot-lock until squelch closes mode to hold the active channel while open and resume strongest-peak search after close.
• Added top-header Tune Step 12.5 kHz quick buttons, Manual/Automatic tuning mode buttons, and Active frequency readout.
• Expanded Web Control with WFM/NFM-AM mode buttons and linked Manual/Automatic tuning controls.
• Added LAN Live Audio Stream for real-time browser listening to demod audio on the same local network.
• Added login-first web access, connection badge (connected/disconnected), and page favicons for Web Control, Log Page, and Team Wall.
• Upgraded Team Wall with account-based login, role permissions, host-admin user management, and persistent shared storage.

Behavior Improvements

• Smart Auto floor learning now follows the same NFM level reference used by Auto Cal for better real-environment alignment.
• When SDR gain changes, adaptive runtime state resets and quickly re-learns to avoid stale thresholds.
• Log monitor pages now include stronger live heat-color activity cues for Detection, Favorites, and Scan Debug rows.

New Features

• Histogram workflow upgraded to Histogram IQ Rec with modulation-start interlock and safer one-click launch behavior.
• Added in-GUI Scan Debug panel with colorized START/STOP/PAUSE/RESUME/SKIP events and reason tags.
• Added Skip button for instant channel hop during scan.
• Added Auto Squelch Calibrate (noise floor + margin) with persistent result display.
• Added Signal Stability Filter with Min Open/Grace timing and per-target routing (Detection, Rec+Alerts, Scan Hold, Audio Out).
• Added Audio Output menu in Radio tab to route playback to speakers, VB-Cable, or USB audio devices (with refresh).
• Added Smart Deactivate busy hit-rate rule (hits within time window) for multi-carrier busy conditions.
• Added favorites Temporary Mute/Cooldown with automatic reactivation and cooldown column.
• Added favorite TX tone system with start/end edge modes, Tone 1-9, and test buttons.
• Added Learning Mode toggle with hover guidance for controls.
• Added persistent status-bar metrics: Last, Active, Favorite, Peak SNR, and Active Level.

Bug Fixes

• Fixed histogram double/triple click multi-launch issue.
• Fixed scan state carry-over issue after stopping/changing range/restarting scan.
• Fixed scan-control busy-state race around new skip/pause operations.
• Fixed smart-deactivate edge case where rapid switching between multiple busy carriers prevented deactivation.
• Fixed favorites cooldown and smart-deactivate interaction so detection re-enables correctly when cooldown clears/expires.
• Fixed status-bar visibility conflicts where temporary messages could hide persistent labels.

UI Improvements

• Detection/Favorites/Recorder heatmap coloring improved for easier state recognition.
• Selection behavior updated to preserve row heatmap background with clear selected text/row highlighting.
• Favorites and recorder areas compacted to fit default GUI width better.
• Recorder event log optimized with compact columns and clock-only timestamps.

New Features

• Advanced CFAR algorithm with adjustable compute cells, guard cells, and bias factor
• Customizable frequency masking system with multiple mask support and precise frequency control
• Real-time signal detection with audio alerts and visual notifications
• Comprehensive signal logging with timestamp, frequency, and SNR information
• High-resolution FFT display with full support for Airspy's 24-1800 MHz range
• Dual sample rate support (2.5 and 10 MSps) optimized for Airspy devices
• Flexible gain control with auto gain option and full 0-21 dB range
• Visual CFAR threshold display with detection highlighting
• Mask shifting tools for precise positioning (fine and coarse adjustments)
• Built-in log viewer for reviewing detection history
• Configuration management with save/load capabilities and auto-save on exit

New Features

• Advanced CFAR signal detection with customizable masks
• Innovative Frequency Mask Trigger (FMT) technology that allows precise signal detection while minimizing false positives
• Rectangle/Standard and Triangle/Trapezoid mask types for different detection scenarios
• Triangle-Only Detection feature for enhanced performance in frequency-selective environments
• Small footprint with optimized processing for real-time performance even on modest hardware
• Adjustable parameters for guard cell width, window size, and detection threshold
• Real-time visualization of signals with detected points highlighted
• Comprehensive statistical analysis of detection performance
• Detection log file generation for offline analysis and record-keeping
• Multi-device support for RTL-SDR hardware

What's Fixed

• Calibration System: The software now includes a proper calibration workflow that accounts for phase offsets between receivers. This addresses the lack of a calibration system to determine complex phase correction.
• Sample Alignment: Added cross-correlation based sample alignment to ensure the samples from different SDRs are properly time-aligned, fixing the unaligned samples issue.
• Dither Compensation: To address the driver timing jitter problem, the software now includes a sample averaging system that selects the most phase-stable samples from multiple captures.
• Alternative Direction Finding Method: Implemented an amplitude-based method as a fallback that works even with uncalibrated hardware.

New Features

• Multi-format recording: Raw IQ, VITA-49, SigMF, CF32, Complex, IQData, CDIF, and DGZ formats
• GPU-accelerated spectrum visualization with gr-fosphor
• Comprehensive metadata and tuning history capture
• Advanced playback capabilities with tuning sequence replay
• IQEngine.org integration for SigMF recordings
• IQ Analyzer web tool integration for CF32, Complex, IQData, and CDIF files
• Professional RF analysis tool compatibility via DGZ format
• Multi-device support with seamless device switching
• Robust flowgraph management with proper start/stop/restart controls

New Features

• Automatic calculation of ideal array radius based on operating frequency
• Exact antenna position generation with angles and coordinates
• Interactive array visualization with real-time display
• Angular measurement with interactive angle indicator
• Comprehensive user manual with technical documentation
• Click-to-copy feature for easy position data access

New Features

• Real-time direction visualization on compass and map displays
• Multiple antenna array support (3-8 antennas in circular configuration)
• Phase difference analysis for accurate bearing determination
• Confidence metrics for reliability assessment
• Noise reduction with adaptive algorithms
• Frequency correction to compensate for SDR receiver differences
• Customizable signal threshold and processing parameters

New Features

• Intelligent signal detection system with threshold-based and edge-aware detection
• Comprehensive signal analysis reporting with distribution analysis and strength classification
• Multi-SDR support for RTL-SDR, Airspy, and HackRF devices
• 3D visualization with adjustable amplitude scaling
• Advanced frequency refinement algorithms for precise signal detection
• GPU-accelerated spectrum display with waterfall visualization

New Features

• LAN Command Controller for remote SDR control from any device on your local network
• Cross-platform web interface compatible with Windows, macOS, Linux, Android, and iOS
• Mobile-optimized responsive design with touch controls and virtual rotary tuning knob
• Real-time monitoring with WebSocket technology for instantaneous updates
• Comprehensive device control with multiple input methods (precision fields, sliders, knob, buttons)
• One-click activation with automatic IP detection and QR code quick-connect

Improvements

• Enhanced scanning capabilities with customizable parameters
• Optimized multi-device synchronization
• Improved frequency locking across connected devices

Improvements

• Fix presets and scanning to handle 8ms Dwell
• Fixes in 3D visualization
• Adjustable sampling rates and gain control

Improvements

• Enhanced scan speed with Dwell up to 8ms

Bug Fixes

• Resolved delay when switching between multiple connected devices