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[K3] Power supply rating

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Mike Reublin

[K3] Power supply rating

I need to take my K3 to class. I'll need just enough oomph to talk to the serial
port. What would be the minimum rating for a PS? Any suggestions for a small packable
one?

Would a couple of layers of bubble wrap be sufficient for packing the rig in checked
buggage?

73, Mike NF4L

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Re: [K3] Power supply rating

My K3 with two receivers draws about 2 amps on receive. It drew a bit over 1 amp before I installed the second receiver. For transmit at 10 watts I would ad about 3 amps to that. Two layers of bubble wrap would not be enough for MY K3. I use a hard side fiber-glass brief case with enough padding to keep the K3 from sliding when I carry it in my truck cab. For checked baggage on an airline think pad for throwing 10 feet unless you mark is fragile. In that case, think 20 feet. Make every effort to avoid possible impact which will push the knobs toward the face of the transceiver. I would not like to test how much impact the tuning knobs on the encoders would stand.

Willis 'Cookie' Cooke
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart

________________________________
From: Mike <[hidden email]>
To: Elecraft List <[hidden email]>
Sent: Wednesday, December 28, 2011 7:09 AM
Subject: [Elecraft] [K3] Power supply rating

I need to take my K3 to class. I'll need just enough oomph to talk to the serial
port. What would be the minimum rating for a PS? Any suggestions for a small packable
one?

Would a couple of layers of bubble wrap be sufficient for packing the rig in checked
buggage?

73, Mike NF4L

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wayne burdick

Re: [K3] Power supply rating

Administrator

A loaded K3 on receive should be under 1.5 A even with all guns
blazing. If it's 2 amps, try switching options off (starting with the
sub RX) to see what's up. Another possibility is incorrect resistance
at the current-sense resistor, so confirm the reading using an
external ammeter.

73,

Wayne
N6KR

On Dec 28, 2011, at 11:11 AM, WILLIS COOKE wrote:

> My K3 with two receivers draws about 2 amps on receive. It drew a
> bit over 1 amp before I installed the second receiver. For transmit
> at 10 watts I would ad about 3 amps to that. Two layers of bubble
> wrap would not be enough for MY K3. I use a hard side fiber-glass
> brief case with enough padding to keep the K3 from sliding when I
> carry it in my truck cab. For checked baggage on an airline think
> pad for throwing 10 feet unless you mark is fragile. In that case,
> think 20 feet. Make every effort to avoid possible impact which
> will push the knobs toward the face of the transceiver. I would not
> like to test how much impact the tuning knobs on the encoders would
> stand.
>
> Willis 'Cookie' Cooke
> K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart
>
>
> ________________________________
> From: Mike <[hidden email]>
> To: Elecraft List <[hidden email]>
> Sent: Wednesday, December 28, 2011 7:09 AM
> Subject: [Elecraft] [K3] Power supply rating
>
> I need to take my K3 to class. I'll need just enough oomph to talk
> to the serial
> port. What would be the minimum rating for a PS? Any suggestions for
> a small packable
> one?
>
> Would a couple of layers of bubble wrap be sufficient for packing
> the rig in checked
> buggage?
>
> 73, Mike NF4L
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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Mel

Re: [K3] Power supply rating

In reply to this post by Cookie

A friend had to pack his K3 for overseas shipment and went to a luggage maker and had them burn a semi ridged foam insert for his shipping container. This puts equal pressure on all surfaces. It arrived intact. Anything less is a gamble.

Mel

--- On Wed, 12/28/11, WILLIS COOKE <[hidden email]> wrote:

From: WILLIS COOKE <[hidden email]>
Subject: Re: [Elecraft] [K3] Power supply rating
To: "[hidden email]" <[hidden email]>, "Elecraft List" <[hidden email]>
Date: Wednesday, December 28, 2011, 11:11 AM

My K3 with two receivers draws about 2 amps on receive. It drew a bit over 1 amp before I installed the second receiver. For transmit at 10 watts I would ad about 3 amps to that. Two layers of bubble wrap would not be enough for MY K3. I use a hard side fiber-glass brief case with enough padding to keep the K3 from sliding when I carry it in my truck cab. For checked baggage on an airline think pad for throwing 10 feet unless you mark is fragile. In that case, think 20 feet. Make every effort to avoid possible impact which will push the knobs toward the face of the transceiver. I would not like to test how much impact the tuning knobs on the encoders would stand.

Willis 'Cookie' Cooke
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart

________________________________
From: Mike <[hidden email]>
To: Elecraft List <[hidden email]>
Sent: Wednesday, December 28, 2011 7:09 AM
Subject: [Elecraft] [K3] Power supply rating

I need to take my K3 to class. I'll need just enough oomph to talk to the serial
port. What would be the minimum rating for a PS? Any suggestions for a small packable
one?

Would a couple of layers of bubble wrap be sufficient for packing the rig in checked
buggage?

73, Mike NF4L

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Don Wilhelm-4

Packing for shipment/rough handling

Back in the days I ran a custom woodworking shop, I used to pack fragile
display exhibit assemblies into crates that would be handled by fork
lifts and other forms of rough handling used for international
shipping. One learns quickly that the best packing method is to secure
the corners only, if all surfaces have equal pressure and the exterior
of the shipping container takes a shock in the middle of any face, that
pressure will be transferred to the object to be "protected" (in other
words, the object breaks). OTOH, if the object is supported only at the
corners, no damage will be done as long as the corner blocks stay in place.

73,
Don W3FPR

On 12/28/2011 2:31 PM, Mel Farrer wrote:
> A friend had to pack his K3 for overseas shipment and went to a luggage maker and had them burn a semi ridged foam insert for his shipping container. This puts equal pressure on all surfaces. It arrived intact. Anything less is a gamble.
>
> Mel
>
>
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Bill K9YEQ

Re: Packing for shipment/rough handling

This is also very common for computer monitors, laptops etc. The corner
method would seem to be the best.

73,
Bill
K9YEQ

-----Original Message-----

Back in the days I ran a custom woodworking shop, I used to pack fragile
display exhibit assemblies into crates that would be handled by fork lifts
and other forms of rough handling used for international shipping. One
learns quickly that the best packing method is to secure the corners only,
if all surfaces have equal pressure and the exterior of the shipping
container takes a shock in the middle of any face, that pressure will be
transferred to the object to be "protected" (in other words, the object
breaks). OTOH, if the object is supported only at the corners, no damage
will be done as long as the corner blocks stay in place.

73,
Don W3FPR

On 12/28/2011 2:31 PM, Mel Farrer wrote:
> A friend had to pack his K3 for overseas shipment and went to a luggage
maker and had them burn a semi ridged foam insert for his shipping
container. This puts equal pressure on all surfaces. It arrived intact.
Anything less is a gamble.
>
> Mel

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Mike Reublin

Re: [K3] Power supply rating

In reply to this post by Mel

Thanks, Mel,
It's that 300 yard trip from checkin to baggage hold that concerns me. I'm going to
try to find something I can carry on.
73, Mike NF4L

On 12/28/2011 2:31 PM, Mel Farrer wrote:

> A friend had to pack his K3 for overseas shipment and went to a luggage maker and
> had them burn a semi ridged foam insert for his shipping container. This puts
> equal pressure on all surfaces. It arrived intact. Anything less is a gamble.
>
> Mel
>
> --- On *Wed, 12/28/11, WILLIS COOKE /<[hidden email]>/* wrote:
>
>
> From: WILLIS COOKE <[hidden email]>
> Subject: Re: [Elecraft] [K3] Power supply rating
> To: "[hidden email]" <[hidden email]>, "Elecraft List" <[hidden email]>
> Date: Wednesday, December 28, 2011, 11:11 AM
>
> My K3 with two receivers draws about 2 amps on receive. It drew a bit over 1
> amp before I installed the second receiver. For transmit at 10 watts I would ad
> about 3 amps to that. Two layers of bubble wrap would not be enough for MY K3.
> I use a hard side fiber-glass brief case with enough padding to keep the K3
> from sliding when I carry it in my truck cab. For checked baggage on an
> airline think pad for throwing 10 feet unless you mark is fragile. In that
> case, think 20 feet. Make every effort to avoid possible impact which will
> push the knobs toward the face of the transceiver. I would not like to test
> how much impact the tuning knobs on the encoders would stand.
>
> Willis 'Cookie' Cooke
> K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart
>
>
> ________________________________
> From: Mike <[hidden email] </mc/compose?to=[hidden email]>>
> To: Elecraft List <[hidden email]
> </mc/compose?to=[hidden email]>>
> Sent: Wednesday, December 28, 2011 7:09 AM
> Subject: [Elecraft] [K3] Power supply rating
>
> I need to take my K3 to class. I'll need just enough oomph to talk to the serial
> port. What would be the minimum rating for a PS? Any suggestions for a small
> packable
> one?
>
> Would a couple of layers of bubble wrap be sufficient for packing the rig in
> checked
> buggage?
>
> 73, Mike NF4L
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email] </mc/compose?to=[hidden email]>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email] </mc/compose?to=[hidden email]>
>
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Mike Reublin

Re: Packing for shipment/rough handling

In reply to this post by Don Wilhelm-4

Don,
I like the corner idea. I think I'll check with Elecraft and see how assembled rigs
are shipped, and if they'll sell the packing.
73, Mike NF4L

On 12/28/2011 2:50 PM, Don Wilhelm wrote:

> Back in the days I ran a custom woodworking shop, I used to pack fragile
> display exhibit assemblies into crates that would be handled by fork
> lifts and other forms of rough handling used for international
> shipping. One learns quickly that the best packing method is to secure
> the corners only, if all surfaces have equal pressure and the exterior
> of the shipping container takes a shock in the middle of any face, that
> pressure will be transferred to the object to be "protected" (in other
> words, the object breaks). OTOH, if the object is supported only at the
> corners, no damage will be done as long as the corner blocks stay in place.
>
> 73,
> Don W3FPR
>
> On 12/28/2011 2:31 PM, Mel Farrer wrote:
>> A friend had to pack his K3 for overseas shipment and went to a luggage maker and had them burn a semi ridged foam insert for his shipping container. This puts equal pressure on all surfaces. It arrived intact. Anything less is a gamble.
>>
>> Mel
>>
>>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

Mike Reublin

Re: [K3] Power supply rating

In reply to this post by Cookie

Thanks, Cookie -

Actually, from traveling with photo gear, I think your 20 foot estimate is under...

I'm going to try and find a case that will hold the K3, a small power supply, and my
flaptop computer.
On 12/28/2011 2:11 PM, WILLIS COOKE wrote:

> My K3 with two receivers draws about 2 amps on receive. It drew a bit over 1 amp
> before I installed the second receiver. For transmit at 10 watts I would ad about 3
> amps to that. Two layers of bubble wrap would not be enough for MY K3. I use a
> hard side fiber-glass brief case with enough padding to keep the K3 from sliding
> when I carry it in my truck cab. For checked baggage on an airline think pad for
> throwing 10 feet unless you mark is fragile. In that case, think 20 feet. Make
> every effort to avoid possible impact which will push the knobs toward the face of
> the transceiver. I would not like to test how much impact the tuning knobs on the
> encoders would stand.
> Willis 'Cookie' Cooke
> K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart
> -------------------------------------------------------------------------------------
> *From:* Mike <[hidden email]>
> *To:* Elecraft List <[hidden email]>
> *Sent:* Wednesday, December 28, 2011 7:09 AM
> *Subject:* [Elecraft] [K3] Power supply rating
>
> I need to take my K3 to class. I'll need just enough oomph to talk to the serial
> port. What would be the minimum rating for a PS? Any suggestions for a small packable
> one?
>
> Would a couple of layers of bubble wrap be sufficient for packing the rig in checked
> buggage?
>
> 73, Mike NF4L
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email] <mailto:[hidden email]>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>

Jim Brown-10

Re: [K3] Power supply rating

On 12/28/2011 5:30 PM, Mike wrote:
> I'm going to try and find a case that will hold the K3, a small power supply, and my
> flaptop computer.

Rose Kopp made one for me that fits this description -- in fact, she
made two, the second for my running buddy, N3ZZ, and they're configured
to lash together so that they can be carried as a single unit. Very
nice. We bought them so we could each carry our K3s plus computer on a
DX trip. My PSU that fits is a PowerWerx switcher rated for 20A.

73, Jim K9YC
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Mike Reublin

Re: [K3] Power supply rating

Thanks Jim. I'll check Rose's site.

73, Mike NF4L

On 12/28/2011 8:40 PM, Jim Brown wrote:

> On 12/28/2011 5:30 PM, Mike wrote:
>> I'm going to try and find a case that will hold the K3, a small power supply, and my
>> flaptop computer.
> Rose Kopp made one for me that fits this description -- in fact, she
> made two, the second for my running buddy, N3ZZ, and they're configured
> to lash together so that they can be carried as a single unit. Very
> nice. We bought them so we could each carry our K3s plus computer on a
> DX trip. My PSU that fits is a PowerWerx switcher rated for 20A.
>
> 73, Jim K9YC
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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Jim Brown-10

Re: [K3] Power supply rating

On 12/29/2011 4:15 AM, Mike wrote:
> Thanks Jim. I'll check Rose's site.

Rose does custom things. The bags she made for us were custom, but the
link together was something she had done for W0YK, and the pouches for
computer and PSU she had done for someone else. .Rose is quite
responsive via email, and will send you pix of things she's done in the
past. Custom work doesn't add enough to the cost to make you change
your mind.

73, Jim K9YC

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Mike Reublin

Re: [K3] Power supply rating

In reply to this post by Mike Reublin

Looks like a Radio Shack 22-507 PS will meet my needs @ 3A. Unless someone has a
better/cheaper solution. I have 4 20 amp (or better supplies), and don't need another
of those . .

73, Mike NF4L

On 12/28/2011 8:09 AM, Mike wrote:

> I need to take my K3 to class. I'll need just enough oomph to talk to the serial
> port. What would be the minimum rating for a PS? Any suggestions for a small packable
> one?
>
> Would a couple of layers of bubble wrap be sufficient for packing the rig in checked
> buggage?
>
> 73, Mike NF4L
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

roncasa

logging software for K2

hello,

perhaps it's been discussed B4 but can anyone recommend software for use
with the K2?
Thank you

72
Ron, wb1hga
"why do croutons come in airtight packages?
Aren't they stale to begin with??"
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Don Wilhelm-4

Re: logging software for K2

Ron,

There are several software applications that work well with the K2. he
important thing is for you to say what functions you expect from that
software.

If it is a logger application, I would suggest you start with N1MM, but
if a rig control application (which can include a logger), then Ham
Radio Deluxe is one to be considered which includes both rig control as
well as a logger.

If rig control is more important than logging, the I would highly
recommend the N4PY software. Carl has done a great job of integrating
the K2 functions into his software.

There may be others, but those are the ones I am most familiar with.

73,
Don W3FPR

On 12/29/2011 6:53 PM, roncasa wrote:
> hello,
>
> perhaps it's been discussed B4 but can anyone recommend software for use
> with the K2?
> Thank you
>
> 72
> Ron, wb1hga
>
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Steve Kercel

Re: logging software for K2

In reply to this post by roncasa

Ron:

Yes, it has come up before.

Based on advice from list members, I have used N1MM for contests and
Winlog32 for everything else. I used those for three years with a K2. I
am delighted with both.

I am now using both with a K3.

BTW, you'll be happier if you use the Winkey keyer (compatible with both
Winlog32 and N1MM) than if you use the control software directly to
perform CW keying of your K2.

72/3,

Steve
AA4AK

On 12/29/2011 6:53 PM, roncasa wrote:

> hello,
>
> perhaps it's been discussed B4 but can anyone recommend software for use
> with the K2?
> Thank you
>
> 72
> Ron, wb1hga
> "why do croutons come in airtight packages?
> Aren't they stale to begin with??"
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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RobertG

Re: logging software for K2

Ron...

I second Steve's comments, especially the one on using an external
Winkeyer. I've used N1MM for contests, and it works great with the
microHAM CW Keyer.

...robert

On 12/30/2011 00:56, Steve Kercel wrote:

> Ron:
>
> Yes, it has come up before.
>
> Based on advice from list members, I have used N1MM for contests and
> Winlog32 for everything else. I used those for three years with a K2. I
> am delighted with both.
>
> I am now using both with a K3.
>
> BTW, you'll be happier if you use the Winkey keyer (compatible with both
> Winlog32 and N1MM) than if you use the control software directly to
> perform CW keying of your K2.
>
> 72/3,
>
> Steve
> AA4AK
>
>
> On 12/29/2011 6:53 PM, roncasa wrote:
>> hello,
>>
>> perhaps it's been discussed B4 but can anyone recommend software for use
>> with the K2?
>> Thank you
>>
>> 72
>> Ron, wb1hga
>> "why do croutons come in airtight packages?
>> Aren't they stale to begin with??"
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>
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--
Robert G. Strickland, PhD, ABPH - KE2WY
[hidden email]
Syracuse, New York, USA
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Jim Brown-10

Re: [K3] Power supply rating

In reply to this post by Mike Reublin

On 12/29/2011 3:19 PM, Mike wrote:
> Looks like a Radio Shack 22-507 PS will meet my needs @ 3A. Unless someone has a
> better/cheaper solution. I have 4 20 amp (or better supplies), and don't need another
> of those

Current rating isn't the only spec for a power supply -- RF noise is a
VERY big deal with switching power supplies.

Jim
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Jim Brown-10

Re: logging software for K2

In reply to this post by Don Wilhelm-4

On 12/29/2011 4:03 PM, Don Wilhelm wrote:
> There may be others,

The DXLab Suite, which includes DXKeeper, an EXCELLENT logger, and
Commander, which talks to the rig, reads frequency and mode, and does
some controlling, is the best choice for general logging. DXKkeeper
keeps track of QSLs and awards, works semi-automated with LOTW and eQSL.
I've used it for 8 years, and like it a lot. It's well supported, bug
free, and FREE!

N1MM is for designed for contesting and DXpeditions, and it's one of the
best, but it's not for general logging.

73, Jim K9YC
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Mike Reublin

Re: [K3] Power supply rating

In reply to this post by Jim Brown-10

Understood. The point is that I ONLY want to talk to the RS-232 interface. No xmit or
recv is needed. I'll be in a Mac programming seminar at Big Nerd Ranch. Really.

I have one of those RS supplies in the shack, powering 4 receivers that listen for
railroad traffic and send it to an aggregator which supplies data to a program that
graphically displays train info. So far, noise hasn't been a problem.

Mike

On 12/29/2011 8:56 PM, Jim Brown wrote:

> On 12/29/2011 3:19 PM, Mike wrote:
>> Looks like a Radio Shack 22-507 PS will meet my needs @ 3A. Unless someone has a
>> better/cheaper solution. I have 4 20 amp (or better supplies), and don't need another
>> of those
> Current rating isn't the only spec for a power supply -- RF noise is a
> VERY big deal with switching power supplies.
>
> Jim
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