November 2025 DX Highlights

November Logbook Analysis: Hunting DXpeditions and 6m Openings The first three weeks of November 2025 were exceptionally active, featuring numerous h DXpeditions, especially on the low bands (60m) and the Magic Band (6 meters). [Read More]
hamradio  DX  DXpedition  6m  FT8  CW  QO-100 

October 2025 DX Highlights

October 2025 Logbook Analysis: Rare DX and Band Activity October 2025 delivered an outstanding month of radio propagation, allowing me (SV0SYH, KN10LO) to log some nice DXs, particularly spanning the vast Pacific Ocean and securing contacts with rare entities in Africa and the Caribbean. [Read More]

DG7YBN 9el. Yagi Antenna for 23cm

A short and easy to build 23 cm Yagi designed by DG7YBN that provides a clean pattern and almost 14 dBi of gain.

Antenna

Boom is 3D printed to avoid mistakes with drilling and is divided to 2 parts for fit 3D printers bed.

Super glue is used to glue parts togther and joint.stl is used to fix connection.

Elements are from 3.2 mm Al welding rods. Dipole is from 4 mm brass rod.

Element lenght and postions

25mm PVC tube is used as support under whole boom.

SWR

Download STL files from Printables.com

First Blog post

From 2006 till 2018 I had my Ham Radio blog onĀ  blogger in Czech Language. Then I was active only on twitter. I decided to restart my publication about my current projects. The blog will be in English only and there will be longer technical articles. News about propagation, QSOs, and contests will be kept on twitter.