The baseline on my P3 is ugly but only a move out of silicon valley will will
fix that.
Bob - W6OPO
--
View this message in context:
http://elecraft.365791.n2.nabble.com/P3-hash-tp7561251p7562479.html
Sent from the Elecraft mailing list archive at Nabble.com.
rowland wrote
On my P3 the BNC connector problem caused signals to be presented on the
P3 display
that could not have been present at the antenna. The P3 showed two bands
of increased noise floor that were each roughly 38 kHz wide. One was 62
kHz above center freq and the other was 62
When you say flat display, do you mean no grass? Just a flat line?
Thanks!
Jack
On Aug 20, 2012, at 1:30 PM, k1tm k...@yahoo.com wrote:
rowland wrote
On my P3 the BNC connector problem caused signals to be presented on the
P3 display
that could not have been present at the antenna. The
I meant the grass lies along a flat line. My sound card produces 5 to 10 khz
wide humps in various places in a several bands. I wish the grass would
approach a flat line, but alas I live in town and pretty much everything
with a current running through it produces noise of some kind, even if it
Thanks to all that responded. The problem was indeed the BNC cable provided by
Elecraft. Wish I had posted my problem a little sooner-I would have saved a
lot of time and effort. Once it was drawn to my attention I noticed that the
BNC connectors on the cables provided by Elecraft had a
Gene (and all)---So, what does your baseline look like on P3 now? Certainly it
is not flat (or is it?), but mine was so ugly that I moved it down off the
screen...hmmm, might be time to try a different bnc cable. My radio isn't set
up at the moment as I remod my shack, but I remember hearing
I'm not sure what you're asking but I'll give you an answer anyway. It
may not have been entirely clear what Gene and I saw on our P3 that
turned out to be a problem fixed by a different BNC cable. On my P3 the
BNC connector problem caused signals to be presented on the P3 display
that could
P3 with svga
I have a considerable amount of hash on my panadapter screen. It tracks
the same spot on all bands. All my equipment is very well grounded. I have
measured my shack for RFI-it is very clean. I swapped out my switching power
supply for a highly filtered one. I even
I had the same problem. Replacing the BNC coax cable (between the P3 and
K3) with one I had lying around fixed it. Howard at Elecraft tech
support then sent a new cable that arrived 36 hours after I talked to
him. This new cable from Elecraft worked fine, for a while, but then
started having
Some Chinese BNC male connectors don't properly mate with a
dimensionally correct BNC female.
Not sure where the dimensional problem is, but I've run into the problem
more than once.
Jack K8ZOA
On 8/17/2012 1:15 PM, Rowland R Johnson wrote:
I had the same problem. Replacing the BNC coax
I took a close look and the BNC on the P3 and the center conductor
either was faulty to begin with or was damaged by the male BNC being
misaligned. My old cable still fits without any difficulty. I'm
supposing that, although it's not certain, it's likely that this caused
the hash seen on the
:03 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] P3 Hash
Some Chinese BNC male connectors don't properly mate with a dimensionally
correct BNC female.
Not sure where the dimensional problem is, but I've run into the problem
more than once.
Jack K8ZOA
On 8/17/2012 1:15 PM, Rowland R
There are 50 ohm and 72 ohm BNC's. They look the same. They differ in
the pin details and dielectric used.
See for example:
http://www.milestek.com/blog/index.php/2011/04/50-ohm-vs-75-ohm-bnc-connectors-explained/
They supposedly can be plugged in to the other type without damage.
I'm not
If you look at an HP/Agilent 75 ohm BNC connector you will find it has
no supporting insulation, just the bare spring finger in the female
version or the outer metal shell in the male version.
As far as I have been able to determine from checking dimensional
drawings, BNC 50 and 75 ohm
On 8/17/2012 11:02 AM, Jack Smith wrote:
Some Chinese BNC male connectors don't properly mate with a
dimensionally correct BNC female.
I'm a member of the AES Standards Committee Working Group on Connectors,
and the Working Group includes representatives of major manufacturers of
audio
Good points Jim, but as a group we are a lazy sort and many purchase
their BNC coax assemblies from those who offer pre-assembled cables. In
that case, there is no opportunity to specify the connectors - we have
to trust that the cable vendors are using quality connectors in the
cable
Nice job of Elmering Don.
I also must have done something right. My son ended up with a
MSEE and still occasionally brings boards around to rework on my bench.
There is something magic about working someone a long ways away
with a rig you built yourself. It must be an even greater thrill
if
17 matches
Mail list logo
