RFSpace
Your complete RF engineering toolkit
Interactive calculators, animated explainers, and hands-on workshops for RF engineers, SDR enthusiasts, and anyone curious about wireless technology — from DC to daylight.
Workshops
Step-by-step projects using real SDR hardware and software.
Spectrum Monitoring
Set up a wideband monitoring station and identify signals of interest.
FM Radio Receiver
Build a software-defined FM receiver with GNU Radio from scratch.
ADS-B Aircraft Decoding
Receive and decode aircraft transponder messages in real time.
NOAA Satellite Images
Capture and decode live weather satellite APT transmissions.
POCSAG Pager Decoding
Receive and decode POCSAG pager messages using RTL-SDR.
ACARS Aircraft Messages
Decode ACARS data-link messages from commercial aviation.
HF Shortwave Monitoring
Set up HF monitoring and decode digital modes across the shortwave bands.
LoRa / Meshtastic Analysis
Capture and analyze LoRa spread-spectrum packets on 915 MHz.
BLE Advertisement Capture
Capture and decode Bluetooth Low Energy advertisement frames.
Amateur Satellite Reception
Track and receive FM voice and linear transponder amateur satellites.
WiFi Spectrum Survey
Analyze 2.4 GHz and 5 GHz channel occupancy and interference sources.
Direction Finding
Use phase and amplitude techniques to locate an RF transmitter.
Basic SDR Radar
Construct a simple FMCW radar with off-the-shelf SDR hardware.
Multi-SDR Direction Finding
Synchronize multiple SDR dongles for coherent angle-of-arrival estimation.
Trunked Radio Scanner
Follow trunked P25 and DMR control channels across a trunked system.
Passive Radar Receiver
Build a passive bistatic radar using FM broadcast transmitters.
FMCW Radar Build
Build and process an FMCW radar waveform for range-Doppler imaging.
GPS Signal Acquisition
Acquire and track GPS L1 C/A signals and compute a position fix.