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I have included what I think are some useful articles just click the links to open.
I have included what I think are some useful articles just click the links to open.
😊 Understanding HF Propagation by VE2XIP
😊 Calibrating an MFJ 202B noise bridge.
SOTA Linked dipole calculator (Excel)
I have recently used this calculator to build a 4 band linked dipole and have been pleased with the results. Click here to download the SOTA Beams Excel Calculator needs a suitable spread sheet program to open but should be compatible with any that open MS Excel files.
If like me my first Yaesu FT 817 was restricted to 7.0 - 7.1 MHz the old UK Amateur allocation so needed to be opened up to use the full 7.0 - 7.2 MHz. There is a software route which is fairly straight forward to carry out but it only works on the non ND version plus if you have to carry out a Reset you would have to re-run the software wide banding procedure again.
A better solution provided you have good eyesight and a steady hand with a soldering iron is to carryout the hardware mod which call for dismantling of the display section and the removal and addition of some solder pads. Click on the Wide banding FT 817 button below for full details of the official Yaesu method.
Log4OM is a powerful logging program for Windows combining virtually all the functionality you are likely to need. It is written by the guys that originally wrote HRDLog and the best part it's totally FREE. Version V1 has been around for some years but in 2019 V2 was released and this has many advantages, just click on the Log4OM logo to go to the download site at www.log4om.com.
Reading the instruction manual is a must otherwise you may miss some of the better functions, just click the button below.
Some Interesting Portable Home Brew HF antenna's.
http://users.belgacom.net/hamradio/schemas/vipormutant.htm
http://www.hamuniverse.com/n4ujwmultibandvertical.html
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