One man’s serendipity is another man’s looking at the available antenna tuner
topologies and choosing one with a very useful secondary function.
Al W6LX
> Any rejection due to an antenna matching system is just serendipity and
> depending on it for that purpose is foolhardy, IMHO, of course.
I'm happy to say that my XV50 (formerly fried XV144) came to life and has
passed all of its tests. I need to get a trustworthy frequency counter to
really get it tweaked up, but it seems to make full power, and hear well. As
usual, the only real problems I had were in properly configuring the
Good Evening,
Twenty meters was not helpful today. But I did hear a lot of folks
on straight keys honing their skills for next weekend. Forty meters had
QSB ranging from Zip to S5 (one report) through S4 to S9. But the
change was rapid enough it would only effect a letter here and there.
I bought my K3S about 30 months ago and also a 700 Hz roofing filter from
Inrad. I have operated nearly 100 % CW for 64 years, and am glad I got this
filter. Through the years I have found that something like approximately a 700
Hz filter is very helpful in scanning the bands and for casual
You don't need the drawings. If someone would scan the existing case and share
the scans it is simple to print.
I don't know what kind of copyright and/or patent issues that creates.
73,
Joe kk0sd
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of Neil Zampella
With the propagations Gods being a bit feisty this week I was able to log 23
check ins. Good to have our regular net control Eric WB8JNZ back in the saddle
albeit with a nasty cold. Conditions being what they were relay help was very
much appreciated. Thanks Steve WM6P, Brian K1NW, Phil NS7P
i tend to think you’re right. If Elecraft has determined that it isn’t
economical for them to continue to produce the EC2, then perhaps we shouldn’t
be giving side eye about what it costs to laser cut a piece of metal at even a
mom and pot shop. Sure .. maybe that’s cheap, but there’s a good
You know, the point is moot. I would assume that Wayne & Eric looked
at getting a replacement vendor, but then after getting bids based on
the sales history of the EC2, they determined that it would not be
feasible at the price point they wanted to sell them at.
Now, it would be great if
You might want to wait until after New Year's day to make that call.
All Elecraft folks in Watsonville will be off until after Christmas with
only a skeleton staff returning for the later part of the week, then off
again until after New Year's.
73,
Don W3FPR
On 12/23/2018 3:58 PM, N1VH
Thanks to everyone for your suggestions, I tried them all. After additional
sluething, I believe our K3S has an issue with the KIO3B board. The USB
Audio CODEC will not load or be recognized on any computer (CAT control
works fine and is recognized in the Elecraft K3 utility).
Additional
Not a chance I'd ever let my set go... they will go with my radio when I go.
Sent from my Verizon, Samsung Galaxy smartphone
Original message From: donov...@starpower.net Date: 12/23/18
12:01 (GMT-06:00) To: elecraft@mailman.qth.net Subject: Re: [Elecraft] WHY NOT
700HZ
Does anyone know if when using the KX3VB:TEST mode for 630m if the PWR
adjustment control is really active? I was transmitting a carrier on 475 KHz
and adjustment of the PWR control from min to max did not seem to produce any
change in output power level as seen on a O-scope?
This leads me
My most-used cw filter is the 1KHz filter with the width control set for
700-800 Hz. The audio is easy on the ears (my ears anyway), and still wide
enough for NR and APF to be effective.
73,
Dale - WA8SRA
On Sun, Dec 23, 2018 at 12:49 PM IK4EWX wrote:
> It is a better thing to have a roofing
On 12/23/2018 3:22 AM, IK4EWX wrote:
Why Elecraft doesnt produce a 700hz filter for cw ragchewing?
Because IF filtering is done in DSP, so any desired bandwidth can be set
by the knobs on the front panel. The added crystal filter(s) are roofing
filters, and simply protect the DSP from strong
I have a matched set... very nice. Use it frequently.
Sent from my Verizon, Samsung Galaxy smartphone
Original message From: Ted Edwards W3TB
Date: 12/23/18 07:48 (GMT-06:00) To: Victor Rosenthal 4X6GP
Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] WHY
NOT 700HZ
Yes while true, however the DSP doesn't take the place of or perform
the function of a roofing filter.
73
Bob, K4TAX
On 12/23/2018 11:13 AM, Roger D Johnson wrote:
I can vary the selectivity from 2800 to 50 Hz with the width knob.
73, Roger
Thanks Don,
I'll test it as-is. The 2d connectors are all contacting clean metal, so it
should be OK - at least in terms of noise.
73, Jim KO5V
-Original Message-
>From: Don Wilhelm
>Sent: Dec 23, 2018 12:09 PM
>To: Jim KO5V , Elecraft List
>Subject: Re: [Elecraft] XV50 question
>
Jim,
I would have to ask the XV series designer, but he specified that those
transistors be mounted above the board. Likely for LO stability, and
better separation from the ground plane on the board.
I believe it should work mounted the same way in the XV50. If you find
LO instability,
My conversations with a senior manager for a company that makes
components for auto manufacturers is that, while 3D printing is
widely used for small runs of prototypes, traditional tooling
still rules for production.
In answer to Ed, KL7UW's comments about his amp, I'm quite
satisfied with
I’m actually having difficulty imagining using a 3D printer to make a good
looking smooth sheet metal cabinet.
Examples?
Chuck
KE9UW
Sent from my iPhone, cjack
> On Dec 22, 2018, at 10:24 PM, W2xj wrote:
>
> Well no. That $5k could be spread over all the metalwork and greatly reduce
>
First, Happy Holidays to everyone, and thanks for all of the helpful advice
over the past few months.
I purchased a badly-built and fried XV144 several years ago (I got it really
cheap). The builder had shorted leads 1 & 2 of T1 above the PC board, and
during initial testing, I think that
You are distorting this way out of proportion. While you may be describing the
20th century method for large scale manufacturing, it has little to do with
today’s technology. To begin with, Elecraft is a small low volume operation. I
doubt they go through all the processes you describe. In any
Several small productions runs 700 Hz crystal filters were manufactured
for the K3 several years ago. Unfortunately they're rarely offered
for sale on the used market.
73
Frank
W3LPL
- Original Message -
From: "IK4EWX"
To: elecraft@mailman.qth.net
Sent: Sunday, December 23,
It is a better thing to have a roofing filter, i wouldnt like to use only the
dsp with the 2700 ssb filter.
I have the 500hz 5 pole filter (and the 200hz 6 pole), but I find that
sometime I have a nicer audio tone with a wider filtering.
1000hz is too wide for me, sure it is good with rtty, but
I can vary the selectivity from 2800 to 50 Hz with the width knob.
73, Roger
On 12/23/2018 10:08 AM, Bob McGraw K4TAX wrote:
I find the 500 Hz 5 pole filter works very satisfactory for this purpose.
73
Bob, K4TAX
On 12/23/2018 6:54 AM, Victor Rosenthal 4X6GP wrote:
"after initial design", and "one off run" is key here.
When you are a doing it as a hobby, you may not count the cost of that
design element. For a manufacturer, it means a lot more that getting a
part in-hand. Engineering prototypes are one thing, getting a product
out for production sales
Times have changed. 3D printing permits one off runs with little effort after
the initial design.
Sent from my iPad
> On Dec 23, 2018, at 8:00 AM, Edward R Cole wrote:
>
> Have to agree, in principle, with Don.
>
> Many of you may never had done a small volume production. I have.
> I
Have to agree, in principle, with Don.
Many of you may never had done a small volume production. I have.
I cannot afford to purchase CNC tooling, metal brakes, etc. for a
project of twelve copies. Vendors are all out of state with added
shipping costs.
So I chose a good quality commercial
I find the 500 Hz 5 pole filter works very satisfactory for this purpose.
73
Bob, K4TAX
On 12/23/2018 6:54 AM, Victor Rosenthal 4X6GP wrote:
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Help:
There was a special run by INRAD of 700 Hz CW filters about 5 years ago— I
have one and use it often. Sold out quickly. Buon Natalie!
On Sun, Dec 23, 2018 at 06:56 Victor Rosenthal 4X6GP
wrote:
>
> __
> Elecraft mailing list
> Home:
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Why Elecraft doesnt produce a 700hz filter for cw ragchewing?
It doesnt need to be an 8pole Inrad, but can be a 5-6pole Elecraft, a 700hz
or a 600hz gaussian, even better.
It would be a very nice sounding cw filter for 15-40wpm chats on not too
disturbed bands.
--
Sent from:
Right..
Not exactly the usual done thing, answering ones own question, but here
goes...
~ ~ ~
I had previously performed:-
$ sudo apt-add-architecture i386
as recommended elsewhere. However that was not enough.
I found I also needed:-
$ sudo apt install ia32-libs-multiarch
That
You can easily build a highpass filter.
Sent from my iPad
> On Dec 22, 2018, at 10:55 PM, Bob Nielsen, N7XY wrote:
>
> DLW Associates makes a filter which has 40 dB rejection across the entire
> broadcast band. It is available from DX Engineering.
>
>> On 12/22/18 7:20 PM, Al Lorona
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