An online link dipole antenna designer allow calculate up to five elements of a linked dipole simply by deciding the desired frequency and defining the support dimensions.
The practice of converting computer server power supplies to make a very high quality high power supply at low cost is attractive. It doesn’t normally require any modification to the supply but the hard part is figuring out how to trick them into turning on.
46ft multi-band antenna for small gardens. Works well on 80m. An excellent DX performer and is an ideal replacement for your half size G5RV
A home made buddistick portable HF antenna capable to work from 60 to 10 meters band
Quarter wave omni-directional spider antenna for 2.4GHz 802.11b
A NEC Model Comparative Analysis of Physical Orientation and Performance. The small magnetic loop is a useful compromise antenna for limited space and portability. For this reason, the magnetic loop antenna is a practical high frequency antenna solution for the restricted space of apartment dwellers
A complete guide to magnetic loop antenna construction, with analysis of multi-turn and single-turn magneti loops, and and insight on choosing the optimal capacitor, or homebrewing your own butterfly capacitor
An early review of the Icom IC-7300 by Jose N2LRB
A collection of modifications for the Icom IC706 transceiver
This project is to build an Antenna Wire Launcher (Spud Gun). It is constructed from PVC pipe and has a manual release. The device will send a puck over 100 trees without much work.