RadCom Basics, July 2024, Edition 41
Operating HF portable by the sea
Tim Hier, G5TM explains the likely beneficial impact of operating next to saltwater
In this edition…
- 4 Checking and testing components: Part three
In this final instalment, Lee Aldridge, G4EJB, provides guidance about how to check and test components. In this edition, Lee examines how to test conductors and semi-conductors and which equipment to use- 14 Building and tuning dual-band end-fed half-wave antennas
Tim Hier, G5TM looks at how to design and easily build end-fed half-wave antennas for portable use and using two bands which are not harmonically related. Bands such as 10/15m, 12/17m, 15/20m are all examined. Tim also examines how to design and build the loading coil required and how to measure the inductance required- 20 Keeping it clean! A guide to clean transmissions: part three
In this third and final part of this series, Andy Gilfillan, G0FVI provides some great tips and advice on how to control the impact of harmonics, phase noise and distortion- 26 Operating HF portable by the sea
Tim Hier, G5TM explains the likely beneficial impact of operating next to saltwater. Modelling is examined and reference is made to others who have examined the impact in the real world. Tim also undertakes an activation on 20m and explains the equipment used and the results- 32 Choosing an antenna for 40m portable operating
Tim Hier, G5TM looks at the available choices for operating portable on 40m. Tim considers just how much of a compromise short vertical antennas are and how the choice of antenna is important for daytime 40m portable operating.- 41 Index of RadCom Basics articles, editions 1 to 41
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