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Re: [Elecraft_K3] KR3 SW Receiver.

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Alan Bloom

Re: [Elecraft_K3] KR3 SW Receiver.

It would be a pretty expensive shortwave receiver:

K3/10 $1500
KBPF3 $140
-----
$1640

You'd save some by eliminating the 10W PA but have to add some for the
8-pole 6 kHz or 13 Khz filter to replace the stock 5-pole 2.7 kHz
filter. Would people be willing to spend well over $1500 for the best
SWL receiver on the market?

Al N1AL

On Wed, 2011-03-16 at 21:51 -0700, Wayne Burdick wrote:

> I think you just described the K3/10 with no key or mic plugged in :)
>
> Seriously, we'd love to do this, but we don't have any SWL receivers
> in the works. I suppose we could offer a K3/0, i.e. with the 10-W amp
> module removed and transmit disabled in firmware. Would there be any
> interest in that?
>
> 73,
> Wayne
> N6KR
>
> On Mar 16, 2011, at 8:19 PM, wa9fvp wrote:
>
> > I'm wondering if Elecraft is consifering a stand alone Short wave
> > receiver? It would have the same outstanding "specs", roofing
> > filters and DSP that the K3 has but without the transmit section.
> >
> >
> >
>
>
>
> ------------------------------------
>
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Jack Smith-6

Re: [Elecraft_K3] KR3 SW Receiver.

I suspect there's a larger market there than you might think, at that
price. TenTec RX-340 runs a bit over US$ 4K. NRD 545 (discontinued) go
on the used market for $1.3K.

Both of those receivers are much larger physically than the K3, so there
may be some resistance in paying more per cubic inch for a K3. Also,
these receiver tune down to 30 KHz or lower, so a built in up-converter
for the K3/0, along the lines of the the 2 meter down converter, might
be required as an option.

Jack K8ZOA

On 3/17/2011 4:14 PM, Alan Bloom wrote:

> It would be a pretty expensive shortwave receiver:
>
> K3/10 $1500
> KBPF3 $140
> -----
> $1640
>
> You'd save some by eliminating the 10W PA but have to add some for the
> 8-pole 6 kHz or 13 Khz filter to replace the stock 5-pole 2.7 kHz
> filter. Would people be willing to spend well over $1500 for the best
> SWL receiver on the market?
>
> Al N1AL
>
>
> On Wed, 2011-03-16 at 21:51 -0700, Wayne Burdick wrote:
>> I think you just described the K3/10 with no key or mic plugged in :)
>>
>> Seriously, we'd love to do this, but we don't have any SWL receivers
>> in the works. I suppose we could offer a K3/0, i.e. with the 10-W amp
>> module removed and transmit disabled in firmware. Would there be any
>> interest in that?
>>
>> 73,
>> Wayne
>> N6KR
>>
>> On Mar 16, 2011, at 8:19 PM, wa9fvp wrote:
>>
>>> I'm wondering if Elecraft is consifering a stand alone Short wave
>>> receiver? It would have the same outstanding "specs", roofing
>>> filters and DSP that the K3 has but without the transmit section.
>>>
>>>
>>>
>>
>>
>> ------------------------------------
>>
>> Yahoo! Groups Links
>>
>> <*> To visit your group on the web, go to:
>> http://groups.yahoo.com/group/Elecraft_K3/
>>
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>
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Ross Primrose N4RP

Re: [Elecraft_K3] KR3 SW Receiver.

In reply to this post by Alan Bloom

Ten-Tec's is $4250... Granted it goes down to 5kHz, but it only goes up
to 30MHz...

73, Ross N4RP

On 3/17/2011 4:14 PM, Alan Bloom wrote:
> Would people be willing to spend well over $1500 for the best
> SWL receiver on the market?
>
> Al N1AL
>
>

--
FCC Section 97.313(a) “At all times, an amateur station must use the minimum transmitter power necessary to carry out the desired communications.”

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David Gilbert

Re: [Elecraft_K3] KR3 SW Receiver.

In reply to this post by Alan Bloom

I'm pretty sure that there are people out there who have indeed spent
that kind of money on SWL receivers, but it seems to me that it would be
far more prudent for one of them to just buy the bare minimum K3 as
is. If you (or you heirs) ever wanted to sell it, there is a much
larger market for a top end ham transceiver than for a top end SWL
receiver. Even if the 10w PA could be easily added later, I don't see
where much money would be saved ... the economics for either Elecraft or
the user just don't make much sense to me.

Then again, how something is marketed can make a lot of difference in
whether people buy it or not. Lots of folks want an appliance and will
sometimes even pay extra for a box that looks like it was tailored
specifically for their wants/needs even if the hard content is less.
There are lots of examples of that sort of thing in the consumer world.

73,
Dave AB7E

On 3/17/2011 1:14 PM, Alan Bloom wrote:

Don Wilhelm-4

Re: [Elecraft_K3] KR3 SW Receiver.

In reply to this post by Alan Bloom

I doubt there would be savings in removing the 10W PA, but it could be
disabled by either running in TX TEST all the time, or by putting a
jumper on the ACC TX INH line and setting the correct state in the menu.

73,
Don W3FPR

On 3/17/2011 4:14 PM, Alan Bloom wrote:

Kurt-2

Re: [Elecraft_K3] KR3 SW Receiver.

The concept of KR3 receiver makes excellent sense. The ability to have true
diversity receiving in one box has long been sought. I have been a swl for
over 40 years and have far more receivers than transceivers and often run
multiple receivers. Most of my listening outside of the ham bands is utility
listening and often have two receivers, with different antennas, tuned to
the same frequency to improve copy. Granted this leaves something to be
desired but it does help. Until I got my K3 this was the only option for me
at least. The cost of a fully loaded KR3 would about $2500.00 in kit form
and would be well worth it to me. There many groups of serious SWL's who
would be interested in such a receiver.

Kurt KU7RT
----- Original Message -----
From: "Don Wilhelm" <[hidden email]>
To: <[hidden email]>
Cc: "Alan Bloom" <[hidden email]>; <[hidden email]>;
<[hidden email]>
Sent: Thursday, March 17, 2011 3:44 PM
Subject: Re: [Elecraft] [Elecraft_K3] KR3 SW Receiver.

> I doubt there would be savings in removing the 10W PA, but it could be
> disabled by either running in TX TEST all the time, or by putting a
> jumper on the ACC TX INH line and setting the correct state in the menu.
>
> 73,
> Don W3FPR
>
> On 3/17/2011 4:14 PM, Alan Bloom wrote:
>> It would be a pretty expensive shortwave receiver:
>>
>> K3/10 $1500
>> KBPF3 $140
>> -----
>> $1640
>>
>> You'd save some by eliminating the 10W PA but have to add some for the
>> 8-pole 6 kHz or 13 Khz filter to replace the stock 5-pole 2.7 kHz
>> filter. Would people be willing to spend well over $1500 for the best
>> SWL receiver on the market?
>>
>> Al N1AL
>>
>>
>> On Wed, 2011-03-16 at 21:51 -0700, Wayne Burdick wrote:
>>> I think you just described the K3/10 with no key or mic plugged in :)
>>>
>>> Seriously, we'd love to do this, but we don't have any SWL receivers
>>> in the works. I suppose we could offer a K3/0, i.e. with the 10-W amp
>>> module removed and transmit disabled in firmware. Would there be any
>>> interest in that?
>>>
>>> 73,
>>> Wayne
>>> N6KR
>>>
>>> On Mar 16, 2011, at 8:19 PM, wa9fvp wrote:
>>>
>>>> I'm wondering if Elecraft is consifering a stand alone Short wave
>>>> receiver? It would have the same outstanding "specs", roofing
>>>> filters and DSP that the K3 has but without the transmit section.
>>>>
>>>>
>>>>
>>>
>>>
>>> ------------------------------------
>>>
>>> Yahoo! Groups Links
>>>
>>> <*> To visit your group on the web, go to:
>>> http://groups.yahoo.com/group/Elecraft_K3/
>>>
>>> <*> Your email settings:
>>> Individual Email | Traditional
>>>
>>> <*> To change settings online go to:
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>>> (Yahoo! ID required)
>>>
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>>> [hidden email]
>>> [hidden email]
>>>
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>>> [hidden email]
>>>
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>>> http://docs.yahoo.com/info/terms/
>>>
>>
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David Gilbert

Re: [Elecraft_K3] KR3 SW Receiver.

I'm honestly puzzled. What would that KR3 have the your existing K3
doesn't?? The others wouldn't need to buy the 100 watt amp and you
could sell your amp if you didn't want it.

Dave AB7E

On 3/17/2011 3:27 PM, Kurt wrote:

> The concept of KR3 receiver makes excellent sense. The ability to have true
> diversity receiving in one box has long been sought. I have been a swl for
> over 40 years and have far more receivers than transceivers and often run
> multiple receivers. Most of my listening outside of the ham bands is utility
> listening and often have two receivers, with different antennas, tuned to
> the same frequency to improve copy. Granted this leaves something to be
> desired but it does help. Until I got my K3 this was the only option for me
> at least. The cost of a fully loaded KR3 would about $2500.00 in kit form
> and would be well worth it to me. There many groups of serious SWL's who
> would be interested in such a receiver.
>
> Kurt KU7RT
> ----- Original Message -----
> From: "Don Wilhelm"<[hidden email]>
> To:<[hidden email]>
> Cc: "Alan Bloom"<[hidden email]>;<[hidden email]>;
> <[hidden email]>
> Sent: Thursday, March 17, 2011 3:44 PM
> Subject: Re: [Elecraft] [Elecraft_K3] KR3 SW Receiver.
>
>
>> I doubt there would be savings in removing the 10W PA, but it could be
>> disabled by either running in TX TEST all the time, or by putting a
>> jumper on the ACC TX INH line and setting the correct state in the menu.
>>
>> 73,
>> Don W3FPR
>>
>> On 3/17/2011 4:14 PM, Alan Bloom wrote:
>>> It would be a pretty expensive shortwave receiver:
>>>
>>> K3/10 $1500
>>> KBPF3 $140
>>> -----
>>> $1640
>>>
>>> You'd save some by eliminating the 10W PA but have to add some for the
>>> 8-pole 6 kHz or 13 Khz filter to replace the stock 5-pole 2.7 kHz
>>> filter. Would people be willing to spend well over $1500 for the best
>>> SWL receiver on the market?
>>>
>>> Al N1AL
>>>
>>>
>>> On Wed, 2011-03-16 at 21:51 -0700, Wayne Burdick wrote:
>>>> I think you just described the K3/10 with no key or mic plugged in :)
>>>>
>>>> Seriously, we'd love to do this, but we don't have any SWL receivers
>>>> in the works. I suppose we could offer a K3/0, i.e. with the 10-W amp
>>>> module removed and transmit disabled in firmware. Would there be any
>>>> interest in that?
>>>>
>>>> 73,
>>>> Wayne
>>>> N6KR
>>>>
>>>> On Mar 16, 2011, at 8:19 PM, wa9fvp wrote:
>>>>
>>>>> I'm wondering if Elecraft is consifering a stand alone Short wave
>>>>> receiver? It would have the same outstanding "specs", roofing
>>>>> filters and DSP that the K3 has but without the transmit section.
>>>>>
>>>>>
>>>>>
>>>>
>>>> ------------------------------------
>>>>
>>>> Yahoo! Groups Links
>>>>
>>>> <*> To visit your group on the web, go to:
>>>> http://groups.yahoo.com/group/Elecraft_K3/
>>>>
>>>> <*> Your email settings:
>>>> Individual Email | Traditional
>>>>
>>>> <*> To change settings online go to:
>>>> http://groups.yahoo.com/group/Elecraft_K3/join
>>>> (Yahoo! ID required)
>>>>
>>>> <*> To change settings via email:
>>>> [hidden email]
>>>> [hidden email]
>>>>
>>>> <*> To unsubscribe from this group, send an email to:
>>>> [hidden email]
>>>>
>>>> <*> Your use of Yahoo! Groups is subject to:
>>>> http://docs.yahoo.com/info/terms/
>>>>
>>> ______________________________________________________________
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Ken Alexander-2

Re: [Elecraft_K3] KR3 SW Receiver.

In reply to this post by Alan Bloom

My AOR AR-7030+ was over $3000 when I bought it in 2000, and it was worth every penny.

There are other receivers by Ten-Tec and a few others that are more than that. Some are sold to serious SWLs but I imagine most go to the government. I think most serious listeners these days are using SDRs like the Perseus

The K3 would need mediumwave and longwave (down to 100 kHz) coverage to be of interest to me and the listeners I hang out with.

73,

Ken Alexander
VE3HLS

--- On Thu, 3/17/11, Alan Bloom <[hidden email]> wrote:

> From: Alan Bloom <[hidden email]>
> Subject: Re: [Elecraft] [Elecraft_K3] KR3 SW Receiver.
> To: [hidden email], [hidden email]
> Date: Thursday, March 17, 2011, 4:14 PM
> It would be a pretty expensive
> shortwave receiver:
>
> K3/10 $1500
> KBPF3   $140
>    -----
>    $1640
>
> You'd save some by eliminating the 10W PA but have to add
> some for the
> 8-pole 6 kHz or 13 Khz filter to replace the stock 5-pole
> 2.7 kHz
> filter. Would people be willing to spend well over
> $1500 for the best
> SWL receiver on the market?
>
> Al N1AL
>
>
> On Wed, 2011-03-16 at 21:51 -0700, Wayne Burdick wrote:
> > I think you just described the K3/10 with no key or
> mic plugged in :)
> >
> > Seriously, we'd love to do this, but we don't have any
> SWL receivers
> > in the works. I suppose we could offer a K3/0, i.e.
> with the 10-W amp
> > module removed and transmit disabled in firmware.
> Would there be any
> > interest in that?
> >
> > 73,
> > Wayne
> > N6KR
> >
> > On Mar 16, 2011, at 8:19 PM, wa9fvp wrote:
> >
> > > I'm wondering if Elecraft is consifering a stand
> alone Short wave
> > > receiver? It would have the same outstanding
> "specs", roofing
> > > filters and DSP that the K3 has but without the
> transmit section.
> > >
> > >
> > >
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> > <*> To visit your group on the web, go to:
> >    http://groups.yahoo.com/group/Elecraft_K3/
> >
> > <*> Your email settings:
> >    Individual Email |
> Traditional
> >
> > <*> To change settings online go to:
> >    http://groups.yahoo.com/group/Elecraft_K3/join
> >    (Yahoo! ID required)
> >
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> >    [hidden email]
>
> >    [hidden email]
> >
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> email to:
> >    [hidden email]
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>
>
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Matt Zilmer

Re: [Elecraft_K3] KR3 SW Receiver.

Maybe if someone started working on a receive converter for 20 to 500
KHz, with TX ability on 470 to 500, the firmware would come for it?
Could test it with any IF on which the K3 can receive. The K3 can
already be operated as a transverter IF at 1 mW for the 500 KHz range,
albeit with a few restrictions.

Too bad I don't have the time here. .... But a lot of Elecraft
projects get started because someone from outside the company thought
them up. If there is enough pent up demand, somebody will work on
this.

The K3 would make a !great! SWL receiver, but it isn't very well known
outside the amateur community (my guess).

73,
matt W6NIA

On Thu, 17 Mar 2011 21:01:31 -0700 (PDT), you wrote:

>My AOR AR-7030+ was over $3000 when I bought it in 2000, and it was worth every penny.
>
>There are other receivers by Ten-Tec and a few others that are more than that. Some are sold to serious SWLs but I imagine most go to the government. I think most serious listeners these days are using SDRs like the Perseus
>
>The K3 would need mediumwave and longwave (down to 100 kHz) coverage to be of interest to me and the listeners I hang out with.
>
>73,
>
>Ken Alexander
>VE3HLS
>
>
>
>--- On Thu, 3/17/11, Alan Bloom <[hidden email]> wrote:
>
>> From: Alan Bloom <[hidden email]>
>> Subject: Re: [Elecraft] [Elecraft_K3] KR3 SW Receiver.
>> To: [hidden email], [hidden email]
>> Date: Thursday, March 17, 2011, 4:14 PM
>> It would be a pretty expensive
>> shortwave receiver:
>>
>> K3/10 $1500
>> KBPF3   $140
>>    -----
>>    $1640
>>
>> You'd save some by eliminating the 10W PA but have to add
>> some for the
>> 8-pole 6 kHz or 13 Khz filter to replace the stock 5-pole
>> 2.7 kHz
>> filter. Would people be willing to spend well over
>> $1500 for the best
>> SWL receiver on the market?
>>
>> Al N1AL
>>
>>
>> On Wed, 2011-03-16 at 21:51 -0700, Wayne Burdick wrote:
>> > I think you just described the K3/10 with no key or
>> mic plugged in :)
>> >
>> > Seriously, we'd love to do this, but we don't have any
>> SWL receivers
>> > in the works. I suppose we could offer a K3/0, i.e.
>> with the 10-W amp
>> > module removed and transmit disabled in firmware.
>> Would there be any
>> > interest in that?
>> >
>> > 73,
>> > Wayne
>> > N6KR
>> >
>> > On Mar 16, 2011, at 8:19 PM, wa9fvp wrote:
>> >
>> > > I'm wondering if Elecraft is consifering a stand
>> alone Short wave
>> > > receiver? It would have the same outstanding
>> "specs", roofing
>> > > filters and DSP that the K3 has but without the
>> transmit section.
>> > >
>> > >
>> > >
>> >
>> >
>> >
>> > ------------------------------------
>> >
>> > Yahoo! Groups Links
>> >
>> > <*> To visit your group on the web, go to:
>> >    http://groups.yahoo.com/group/Elecraft_K3/
>> >
>> > <*> Your email settings:
>> >    Individual Email |
>> Traditional
>> >
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>> >    http://groups.yahoo.com/group/Elecraft_K3/join
>> >    (Yahoo! ID required)
>> >
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>> >    [hidden email]
>>
>> >    [hidden email]
>> >
>> > <*> To unsubscribe from this group, send an
>> email to:
>> >    [hidden email]
>> >
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>> >    http://docs.yahoo.com/info/terms/
>> >
>>
>>
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Geoffrey Mackenzie-Kennedy

Re: [Elecraft_K3] KR3 SW Receiver.

In reply to this post by Ken Alexander-2

The new AOR AR-7070, which should go into production this year, will
probably arouse interest among serious SWLs.

>From the results of tests made on prototype #2, I understand that this
receiver covers the frequency range 10 kHz - 30 MHz without any gaps, and
good sensitivity across this range.

I have no financial interest in AOR, only an interested bystander.

73,

Geoff
GM4ESD

On March 18, 2011, at 4:01 AM, Ken Alexander wrote:

> My AOR AR-7030+ was over $3000 when I bought it in 2000, and it was worth
> every penny.

> There are other receivers by Ten-Tec and a few others that are more than
> that. Some are sold to serious SWLs but I imagine most go to the
> government. I think most serious listeners these days are using > SDRs
> like the Perseus

> The K3 would need mediumwave and longwave (down to 100 kHz) coverage to be
> of interest to me and the listeners I hang out with.

> 73,

> Ken Alexander
> VE3HLS

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