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QEX on SWR dependence on output impedance.QEX on SWR dependence on output impedance #2.Do I ‘need’ a masthead preamp to work satellites on 2m? – G/T vs G/Ta.The mulcher appears affected by Ethanol.On testing two wire line loss with an analyser / VNA – part 1.On testing two wire line loss with an analyser / VNA – part 2.On testing two wire line loss with an analyser / VNA – part 3.Estimating characteristics of a sample of coax from dimensions and properties.Gamma matches get blamed for a lot of stuff.Signal to noise degradation (SND) concept.Loop in ground (LiG) – #6 signal to noise degradation (SND).Loop in ground (LiG) – #7 signal / noise degradation (SND) – more detail.Yet another ferrite toroid calculator – but is it any good?.A simple Simsmith model for exploration of a common EFHW transformer design – 2t:16t.A simple Simsmith model for exploration of a common EFHW transformer design – 2t:14t.A simple Simsmith model for exploration of a 50Ω:200Ω transformer using a 2843009902 (BN43-7051) binocular ferrite core.Loop in ground (LiG) – #10 – implementation – earthworks.Chinese batteries – replacements for Makita 1220 battery pack.nanoVNA – measure common mode choke – it is not all that hard!.RTKLIB using stunnel for TLS connection to NTRIP host.Low power Guanella 1:1 balun with low Insertion VSWR using a Fair-rite 2843009902 binocular – measurement of Zcm.Holzforma / Farmertec G372XT chainsaw – initial evaluation.Another small efficient matching transformer for an EFHW – 2643251002 – #1 – design workup.Another small efficient matching transformer for an EFHW – 2643251002 – #2 – prototype bench measurement.

Matching a centre loaded 80m vertical – a shunt match tutorial.No-name video baluns common mode impedance.Resolve measurement of I1, I2 and I12 into Ic and Id.Loop in ground (LiG) for rx only on low HF – #8 measurement and observation.Choosing a ferrite mix for a 160m unun rationally.A mid life kicker for the 2500VA 230V 50Hz genset.Loop in ground (LiG) for rx only on low HF – #10 SND comparison with LoG.Ambient noise measurement using whip on vehicle – #1 – estimate Antenna Factor.Ambient noise measurement using whip on vehicle – #2 – active antenna electronics.A common scheme for narrow band match of an end fed high Z antenna – further explanation.