My name is Ramakrishnan Muthukrishnan. This is my ham radio activity log of sorts. My ham radio callsign is VU2JXN (it was VU3RDD until recently and hence the domain name!) and I live in Bangalore, India. You can contact me at

Here are the last 5 posts to my weblog:

Noise Reduction in SDRs
Posted Fri Dec 23 19:31:08 2022
Some ffmpeg audio notes (for myself)
Posted Fri Dec 16 17:09:04 2022
ARRL 10m DX contest
Posted Wed Dec 14 11:19:13 2022
WDSP's NR2 algorithms
Posted Thu Dec 8 11:00:59 2022
Back to Basics: Simple Attenuator
Posted Sun Dec 4 22:01:54 2022