The Rig
This is the gear I use to study digital signal processing:
- YouLoop single-loop passive magnetic loop antenna
- Airspy HF+ Discovery HF/VHF receiver
- A standard-issue MacBook Pro from 2019
- A standard-issue WiFi router from 2017
- Machine-zero, which is:
Chassis: Dell Precision 3630 tower bought used on eBay from e-CyclePro in Lecanto, FL.
Motherboard
- Dell OEM (Precision 3630)
- Socket: LGA1151 (8th/9th gen Intel)
- Chipset: Intel C246 (workstation)
- RAM slots: 4× DDR4 DIMM

CPU (stock, although I did remove the fan, clean the heat-sink and apply fresh thermal paste)
- Intel Core i7-8700K
- 6 cores / 12 threads
- 3.70 GHz
RAM (stock, not replaced)
- 32GB DDR4 2666MT/s dual channel
- 2× 16GB Micron Technology 16ATF2G64AZ-2G6E1
- Confirmed by memtest86

PSU (replaced — stock Dell 300W wasn’t big enough for the GPU)
- Seasonic CORE GX 650W ATX 3.1, 80+ Gold, Fully Modular
- Connectors: 24-pin ATX, 8-pin EPS CPU, 2× 8-pin PCIe
Storage (bought new): Kingston NV3 1TB NVMe PCIe 4.0
GPU (used, won in an auction on eBay)
- MSI GeForce RTX 3060 Ventus 2X OC 12GB GDDR6
- Model number: 912-V397-050
- 12GB GDDR6 / 12288 MiB
- Dual fan (Torx 3.0)
- Stress test: PASS — gpu-burn 15 min, 0 errors, max temp 78°C, ~9,211 Gflop/s
