TenTec
[Top] [All Lists]

Re: [TenTec] filter

To: tentec@contesting.com
Subject: Re: [TenTec] filter
From: Bob McGraw <rmcgraw@blomand.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 2 May 2021 17:44:25 -0500
List-post: <mailto:tentec@contesting.com>
I trust you were aware the NB offered 2 different levels/width of blanking.   Also if one used the 600 or 300 Hz filters the NB function was much less efficient.

73

Bob, K4TAX

On 5/2/2021 5:24 PM, Greg S via TenTec wrote:
Interesting, Bob. I had 2 Eagles, and neither NB was worth a darn on my fencer 
pulses. Orion hardware blanker was pretty good.
Greg, KC8HXO

Sent from my Linux device

On May 2, 2021, at 17:56, Bob McGraw <rmcgraw@blomand.net> wrote:

The Noise Blanker function is about the best there is.   The use of narrow 
selective filters will often make the pulse noise become a wider pulse.    A 
wide filter is preferred.   But considering that the noise is in the receive 
passband, there is little way to effectively filter it out.

It however, depending on the radio and implementation of the NB system, it may 
be good or not so good.    I find the hardware noise blanker as used in the 
Tentec Eagle to be very effective on impulse noise such as an electric fence.   
However, the digital noise blanker as used in the Omni VII is not near as 
effective.

Usually Noise Reduction systems {i.e. NR} aren't effective with this type of 
noise.

73

Bob, K4TAX

On 5/2/2021 2:15 PM, Rodney Dewald via TenTec wrote:
Does someone know if there is a filter to filter out electric fence interference

Sent from Mail for Windows 10

_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec

_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec


--
This email has been checked for viruses by AVG.
https://www.avg.com


_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
<Prev in Thread] Current Thread [Next in Thread>