PA9X
Recent posts indexed from this public source.
- FT8 without a PC: using FT8AF and an Android smartphone
- HF Reception: Urban vs. Rural
- Endfed Antennas, QRM, and How to Improve Your Reception
- How HF Propagation Gets Lost On Ocean waves
- Boost Your End Fed Antenna with Proper Counterpoise
- How to replace the noisy fan on the WEB-888
- How to get started with a remote antenne tuner
- How to read an ionogram
- Which coaxial cable should I choose?
- Review of the RM Italy BLA 350 Plus Amplifier
- Reception comparison: vertical vs. horizontal loop
- Tips for ham radio antennas in an attic
- Replacing the 1:1 balun for a better performing Cobweb antenna
- Chosing ham radio equipment as a newbie
- Understanding PEP power and duty cycle in amateur radio
- Using AI to eliminate noise in a radio signal
- Why does an antenna require a counterpoise?
- Review of the 7-band AWK Cobweb antenna
- Why does an antenna need a 1:1 balun?
- How to prevent RFI caused by EndFed, vertical and dipole antennas
- The Cobweb vs Rybakov vertical antenna part 1
- Getting rid of QRM with diversity receive mode
- The difference between a balun, unun, common mode choke, line isolator and impedance transformer
- The surprisingly well performing Rybakov HF vertical
- Cobweb antenna pros and cons
- Multiband Cobweb(b) vs Classic Halo; final verdict
- Tips on how to operate and finetune a QRM Eliminator
- The Hula Hoop Halo; a simple DIY antenna for 6 meter band DX
- A different approach to tuning the Cobwebb antenna
- How to build a limited space 10 and 20 meter band Square Halo DX antenna
- How to setup a webSDR as your secundary receiver
- How the replacement of solar panel micro inverters lead to 50 dB less QRM
- Is your antenna making noise? Use a rope!
- Boost your QRM eliminator performance with an active antenna
- Review of the QRM Eliminator X-phase
- When the noise came banging in