Spotting & Propagation
- 144 Mhz Propagation Logger
- 205MorningReport
- 220 Mhz Propagation Logger
- 425 DX Calendar
- 50 Mhz Propagation Logger
- ADIF to Map Amateur
- Automatic Packet Reporting System
- Band Conditions
- BandConditions.com
- Convert Coordinates – Calculate a position in a variety of formats
- DX World
- DXSCAPE Web Cluster 2 Meters
- Find Latitude and Longitude
- Global Overlay Mapping System
- Google Maps APRS
- Google Maps Find Altitude
- Grid Square Locator Map
- Groups.io
- Ham Radio Chat…HF, VHF, UHF, Digital, WSJT, Satellite, LOTW, Skywarn and General Ragchew
- HamSpots Home
- Hurricane Frequencies List
- K3LR Web Cluster
- KA5DWI – Propagation Studies
- List of years for EGLIN AFB
- My Run Frequency
- N8FQ Sked Page
- Near-Real-Time MUF Map
- OpenAPRS
- Ping Jockey Central
- PropNET Map Display Specification
- PSKReporter
- PSKREPORTER.INFO
- QSO Party and Operating Events DX Cluster
- Radio & TV DX Information Centre
- Reverse Beacon Network
- RoverLog
- SATFLARE
- SKCC Skimmer 3.5.12
- The low band, VHF, UHF and microwave chats
- The Ultimate Frequency Search Engine!
- Tracker
- Tropospheric Ducting Forecast
- UHF Propagation Logger
- VHF Propagation Map
- VHF QSO Link
- VOACAP
- VOACAP DX Charts
- VOACAP Online
- Weak-Signal Amateur Radio Communications from WØLCP
- WSJT EME – 1.