Brendon,
it is per band and it makes a real difference!
73, Olli
Contest, DX & radio projects: http://www.dh8bqa.de
Am 07.10.2016 um 17:59 schrieb Brendon Whateley:
Given my understanding of the roofing filter design in the KX3, I don't
think there is any per-band adjustments to make. IIRC, the filter is an
analog low-pass filter that operates after the direct down-conversion.
If I'm wrong, then please set me straight. Especially because I'm
considering adding the filter to my KX3.
- Brendon
On Thu, Oct 6, 2016 at 11:35 PM, Matt Maguire <matt.vk...@gmail.com> wrote:
Does the factory do a full per-band calibration, or do they just calibrate
on 20m and extrapolate? If the latter I'd suggest to do the full per-band
calibration yourself even for a factory-fitted roofing filter, as it does
make a difference (obviously back up your config first so you can restore
to factory settings/calibration if needed)
73, Matt VK2RQ
On Fri, Oct 7, 2016 at 5:38 AM +1100, "Ray Sills" <raysil...@verizon.net>
wrote:
Also, IF you order the roofing filter for the KX3…. even with a kit
purchase…. the factory will calibrate it for you, so all you need do is
install the little board. They have a test jig, so that the filter will be
tested with YOUR particular main board. Best of both worlds… save some
money, and get free factory calibration.
73 de Ray
K2ULR
KX3 #211
On Oct 6, 2016, at 12:00 PM, Walter Underwood wrote:
The roofing filters require some calibration. If they are
factory-installed, Elecraft does that for you. All the other options are
exactly the same whether factory-installed or user-installed.
wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)
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