August, 2026
VU+ Duo2 white blinking LED – Fixing the power supply
One day i heard a the HDD of my VU+ Duo2 clicking. Afer a power cycle there was only a flashing blinking white LED on the receiver. After i opend the box i saw the swelled capacitors (C8/C9) on the power supply. I removed one and make a short measurement and there was only 118.5µF […]
End Fed Antenna
How to build an End Fed Antenna for 10m/20m and 40m. It is also possible to build one for 80m and 160m. I used this manual from PD7MAA http://pa-11019.blogspot.com/2012/04/149-transformer-for-endfed-antennas-35.html. I built the 10/20/40 version because I do not have enough space for the longer version. I ordered my missing parts from „Reichelt Elektronik“ (see the list […]