[Elecraft] New K3 Firmware: Improved AGC (great for pile-ups as well as general operation)

[Wayne Burdick]

K3 beta-test firmware revision 4.51 (with DSP rev. 2.76) is now  
available. We'd like to thank the 100+ K3 owners who have put this  
code through its paces over the past week.

The most important change is that the K3's AGC threshold (CONFIG:AGC  
THR) can now be set much higher. In addition, the AGC now has very  
precise response on attack/decay (monotonic, not "scalloped"). The  
combination of these changes can greatly improve signal clarity in  
pile-ups and other high-noise or dense-signal situations. Many  
operators have also reported improved effectiveness of noise blanking.

With this release, NR and Auto-Notch can be used at all of the new  
threshold settings.

The firmware can be found on our K3 software download page:

    http://www.elecraft.com/K3/k3_software.htm

73,
Wayne
N6KR