Garden environmental telemetry project – part 5.Review of inexpensive Chinese thermostat – DST1000.Comparing RF Power Amplifier Tube Performance Computer and Calculate initial load line of valve RF amplifier on the AL811H.(tr)uSDX unauthorised product and countermeasures.tinyPFA – a set of Allan Deviation plots.tinyPFA – Trimble Thunderbolt GPSDO vs Leo Bodnar Precision GPSDO.tinyPFA – HP8656B vs Trimble Thunderbolt GPSDO.BG7TBL FA-3-6G frequency meter – initial impressions.nanoVNA-H – can firmware be updated if it has a broken USB socket?.Refurbishing aluminium antenna parts affected by weather / corrosion.Can a diode be used to rectify signals smaller than its ‘threshold’ voltage?.Pulse test of a Hantek 6204BD 4 channel 200MHz USB DSO and supplied probe.
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