Entries by Stefan Helander

Nagoya RB-400 – it just fell to pieces

I purchased a new, unused Nagoya RB-400 lidmount antenna mount from a seller on eBay. After a couple of days of use, I was going to adjust the angle using the hexagon socket screw. When unscrewing it, a part of the mount just fell off (see photo). I did not overload the mount (largest antenna […]

Nagoya RB-66 rusting screws

I purchased a Nagoya RB-66 lidmount antenna mount from a seller on eBay. The product was new (not second hand used). After two weeks use, I noticed the screws had started rusting. Dear Nagoya. The antenna mount is supposed to be used on cars. Cars are outside all year around, in all kinds of weather […]

How to operate QRP successfully

Operating ham radio QRP, that is using low power, is probably not a good choise for the new beginner. To successfully operate ham radio QRP you need to use all your skills when it comes to selecting the correct bands, modes, propagation and evauluating current conditions. As a beginner to amateur radio it might be […]

Why is my Dropbox full?

Your dropbox is full and the amount of space you are using shown in the app or web interface does not correspond to the size of the Dropbox folder on your computer. You are not using selective syncing, i.e. all folders in the Dropbox cloud should be equal to the size of the Dropbox folder […]

How to make WordPress display PHP errors

Your site is down just displaying “This site is experiencing technical difficulties” and you need to investigate what is causing the error. If you turn on PHP error reporting at your hosting provider, WordPress still just displays the generic message. Turn on PHP error reporting at your hosting provider. Edit the wp-config.php file and comment […]

Microsoft January 11, 2022 update breaks L2TP VPN [solution]

Microsoft update KB5009543 breaks L2TP VPN functionality causing error message “The L2TP connection attempt failed because the security layer encountered a processing error during initial negotiations with the remote computer“. Investigating the log shows error 789 for rasclient. A temporary solution is to uninstall KB50009543. Run cmd as administrator and enter: After reboot VPN will […]

Why I love end fed half wave (EFHW) antennas

The antenna seems always to be a compromise between practical matters and performance. While not being the most high performance antenna, I find the end fed half wave (EFHW) a very practical antenna, especially during portable operations. The EFHW doesn’t need to be straight. It can be bent in angles and be “abused” a lot. […]