Roger G3XBM's (Mainly) Amateur Radio Blog

Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.

Showing posts with label sm6lkm. Show all posts

Showing posts with label sm6lkm. Show all posts

29 Jun 2021

Next SAQ (17.2kHz CW) test transmission

Next Sunday, this historic alternator TX is transmitting for Alexanderson Day on July 4th. I have a QSL card somewhere from them for a trans...

9 Oct 2012

Improved Software VLF Receiver

SWL Roland's enhanced SM6LKM software VLF receiver An SWL called Roland from Germany has produced an enhanced version of SM6KLM'...

4 Feb 2012

Optical receiver noise floor measurements

A PC with some simple free software makes a very useful piece of test gear. For example, today I wanted to check the noise floor of my o...

7 Nov 2011

Simple VLF Receiver

SM6LKM's excellent PC based VLF receiver In testing my Chirpy 10m transceiver, I used the simple PC based VLF receiver by SM6LKM as...

12 Jul 2010

Soundcard based VLF receiver

SM6LKM has a very neat sound card based VLF receiver ideal for listening to sub-9kHz ham signals and SAQ on 17.2kHz. On his website you can...

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Roger G3XBM: Burwell, Cambridge, United Kingdom

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