I received a good pointer about doing the BPSK implementation
but have just not gotten it done.

Chris Howard



On 10/12/20 11:02 AM, jimlux wrote:
On 10/12/20 7:40 AM, paul swed wrote:
John really appreciate the pointer. Though it doesn't help wwvb BPSK its a really good intro to SDR and DSP super simple. A good way to get your feet
wet. Hmmm is there a parts order soon? :-)
Regards
Paul
WB8TSL


And the teensy has plenty of space and speed to implement a PLL for doing BPSK demodulation.



On Mon, Oct 12, 2020 at 10:33 AM Bob kb8tq <kb...@n1k.org> wrote:

Hi

The “ideal” antenna solenoid would be a bit longer ( say 2 X to 5X ).
The turns should be spaced apart by a few percent of the length.
( so turns over 30 or so … not so much …).

How much better is “ideal” compared to “just get it done?”. At least
from the stories that are told, it is significant. Since all these antennas
are very small (so non-ideal) it’s a bit of a snail race.

Bob

On Oct 12, 2020, at 3:42 AM, John C. Westmoreland, P.E. <
j...@westmorelandengineering.com> wrote:

Paul,

Doesn't the post by Chris Howard above appear to be a good/great starting
point?
Seems like that approach could be extended.

https://github.com/chris-elfpen/Teensy4WWVBsdr

73's,
John
AJ6BC



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