Blog
Notes and long-form yapping on satellites, embedded systems, IoT, and telecommunications.
GNU Radio fundamentals: flowgraphs, samples, sample rate, and time/frequency-domain visualization.
30 September 2026Basic GNU Radio.
- SDR
- Lesson
SDR Learning Module — Lesson 0
24 September 2026Preparing the SDR development environment with WSL2, Ubuntu, and GNU Radio.
- SDR
- Lesson
How satellite communication actually works, in plain words
1 July 2026From uplink to downlink — what happens between your ground station and a satellite overhead, minus the jargon.
- Satellite
- RF
Link budgets: why your range is never what the datasheet says
1 July 2026Datasheet ranges are optimistic. A quick walk through the numbers that actually decide whether your link closes.
- RF
- Telecom
Bare-metal vs RTOS: when should you leave your main loop behind?
1 June 2026Both are valid. The real question is what your system does when two things need attention at the same time.
- Embedded
- Firmware
LoRa vs LoRaWAN: the difference that actually matters
1 June 2026The chip is not the network. Why the distinction changes how you design your entire IoT stack.
- IoT
- LPWAN
Building a ground station on a budget
1 May 2026You do not need an observatory to receive satellite telemetry. A cheap SDR, an antenna, and a weekend will do.
- Satellite
- SDR