On 05/16/2014 01:29 PM, Iain Young, G7III wrote:
I'm not actually sure what advantages if any the Goertzel has over a
narrow-band FIR, although there is a post in the archive from Marcus
suggesting 15% CPU.
With the advances in VOLK, it would be useful to try the benchmarks
again to see which a
Hi Lou,
You Wrote:
On 15/05/14 23:28, madengr wrote:
Iain Young, G7III wrote
I lashed up a quick Goertzel filter at 250Hz, and re-tuned so I was
250Hz off from MSF. Hacked up some code to actually decode the
output of GRC to the timecode bits for MSF. It decodes perfectly,
even without parity
Iain Young, G7III wrote
> I lashed up a quick Goertzel filter at 250Hz, and re-tuned so I was
> 250Hz off from MSF. Hacked up some code to actually decode the
> output of GRC to the timecode bits for MSF. It decodes perfectly,
> even without parity checking!
Thank you for the post. I was experime
On 15/05/14 20:30, Marcus Leech wrote:
I worked on a WWVB receiver a few years back. Then realized that I'm in an
apparent "null" in the WWVB transmit pattern. Even
my commercial WWVB clocks cannot receive it. Sigh.
Ah, that's unfortunate, to say the least. And now they've gone and
comp
I worked on a WWVB receiver a few years back. Then realized that I'm in an apparent "null" in the WWVB transmit pattern. Even
my commercial WWVB clocks cannot receive it. Sigh.
on May 15, 2014, Iain Young, G7III wrote:
Hi Everyone,In recent days I had the idea to plug my LF preamp and
Hi Everyone,
In recent days I had the idea to plug my LF preamp and antenna into my
192k Soundcard. Even with Nyquist being his usual pain, that still gives
me DC to 96kHz. Perfect for certain time stations :)
I lashed up a linear receiver, put it on 59kHz, and what do I hear ?
"pip pip pip" fro
