[Elecraft] Tuning the K1 using W1A1 or WWV.

2012-08-11 Thread Gil G.
Hello,

Did I explain the procedure correctly?

http://radiopreppers.com/index.php/topic,112.0.html

I wouldn't want to mislead anyone… Thanks!

Gil.
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Re: [Elecraft] FW: TEN-TEC announces new amplifier

2012-08-11 Thread Adrian
Specifications

 Amplifier typical gain: 13db
 
RF input: 1 to 20 watts
 
Operating Voltage: 13.8 volts +/- 15% (20 amp power source required)
 
Frequency Range: 160 through 6 meters (ham bands only)
 
RF output Power: 100 Watts, +/- 1 db (with typical 5 watts drive)
 
Operating Modes: AM, FM, AFSK, PSK, SSB, CW
 
Duty Cycle: 50% (TX/RX) 100 watts output. 100% for CW and SSB
 
Front Panel Display: Custom FSTN monochrome LCD
 
Display Back Lighting: 6 LEDs,for more than 200 color options
 
Cooling: 2 internal fans, temperature controlled
 
Harmonic & Spurious Outputs: -50dBc Typical @ 100 Watts HF, -60dBc Typical 6
Meters
 
Third Order Intermod: 30 dB below peak
 
Dimensions (HxWxD): 3.625" x 6.5" x 7.6" (excluding feet and connectors)
 
Weight: 5.4 lbs
 
DC Power Connector: Power Poles
 
Fuse (back panel): 25 Amp, Automotive Blade Style
 
Key Jack: 1/8" Stereo Tip-Key In Ring-Key Out
 
ACC Din Connector: 8 Pin DIN, Key In, Clock/Data/Enable, Ground
 
Construction: Molded Plastic bezel, Aluminum chassis, front & rear panels &
textured painted steel covers
 
Antenna Impedance: 50 ohms nominal
 
Automatic fault for: Antenna mismatch(output power >50 watts), Over current,
Over temperature, and high input power
 
Works with most antennas (SWR less than 3:1)
 
Easy plug and play operation with Ten-Tec model 539 QRP radio
 
Separate antenna connector provided for automatic switch to six meter
antenna
 
Works with most QRP radios
 
RF connectors: 1 RF input, 3 RF outputs (two HF & One 6 meter)
 
Amplifier keyed from direct connection to foot switch, hand switch, or
straight key. Key Out from amplifier is provided to key radio.

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Matt Zilmer
Sent: Sunday, 12 August 2012 1:58 PM
To: k2vco@gmail.com
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] FW: TEN-TEC announces new amplifier

Any specs shown on this?

matt W6NIA

On Sat, 11 Aug 2012 20:28:57 -0700, you wrote:

>This part got my interest
>
>> TEN-TEC Inc. Announces the Model 418
>> 160-6 Meter Solid State Linear Amplifier in stock and ready for shipment
>
>But then I read this
>
>> Generating 100 Watts of output from as little as 5 Watts of input
>
>And finally, this:
>
>> The TEN-TEC Model 418 Amplifier is competitively priced at $785.00
>
>They must be kidding!
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Re: [Elecraft] FW: TEN-TEC announces new amplifier

2012-08-11 Thread Bob Cunnings
Specs, manual etc. are all available on the Ten-Tec website:

http://www.tentec.com/products/160%252d6-Meter-Solid-State-Linear-Amplifier.html

I'm not sure about QSK operation. From the product brochure:

"Amplifier keyed form direct connection to foot switch,hand switch, or
straight key.
Key Out from amplifier is provided to key radio."

>From the manual:

"The rear panel on the 418 has a 1/8” stereo
jack for connection of a key input and key
output.  The tip is used as the key input to key
the 418 and the ring is used as a key out for
other configurations. The key out has a 4
millisecond delay to allow the amplifier’s
relays to engage to prevent hot switching. The
key out is not a relay.  It is a transistor switch
rated for a maximum of 24 volts and 250 mA.
Note: You can not use paddles to key this
amplifier."

Bob NW8L

>Any specs shown on this?
>
>matt W6NIA
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Re: [Elecraft] KX3 FM mode receive

2012-08-11 Thread Skip NC9O
Hi Adrian,

I contacted Elecraft about this same problem and was told they are aware of
it and are working on a solution. If the FM signal is strong the receive
audio is great just not much of a meter deflection. I ran a signal generator
into the KX3 and switched between all the modes and noticed that the S meter
on a S9 signal in CW and SSB only gave abt one bar on the S meter. I
stumbled on the when trying to use a local 6 meter repeater. I'm hoping they
come up with a solution soon because my Ft817 does a great job on 6 meters
with the same antenna so I might have to stick with that rig on 6.

I agree it is a great little rig and with my computer headset I get great
reports on SSB and have cracked some pileups with it.

73, Skip NC9O
KX3 sn 955




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[Elecraft] Elecraft CW Net Announcement

2012-08-11 Thread kevinr
Good Evening,
 This week had some temperature extremes (at least for here). Highs 
of 55 degrees one day and 89 degrees the next.  Then into the 60s and 
70s.  At least we have variety :)  No rain but the fog does condense on 
the trees most mornings and drop a lot of precipitation.  This is very 
localized at times; ranging from 1000 feet in elevation on up and only 
on the windward side of the mountain.  It is like the trees on the 
mountains are scraping off the lowest layer of moisture.  How many times 
does this happen before the winds here reach Wyoming?

 Propagation was very good this week.  Light noise with some flutter 
at my morning sked times.  I have not heard any special news about the 
sun other than predictions of the peak.  Upon checking Space Weather I 
find only a smattering of spots with some minor flare activity.

Please join us tomorrow afternoon and evening.

1) Hail signs  (first letter or two of the suffix of your call)
2) NCS help  (as well as QSP/QNP  help)

Sunday 2200z (Sunday 3 PM PDT) 14050 kHz
Monday 0200z (Sunday 7 PM PDT)  7045 kHz

Stay well,
   Kevin.  KD5ONS
-
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Re: [Elecraft] FW: TEN-TEC announces new amplifier

2012-08-11 Thread Matt Zilmer
Any specs shown on this?

matt W6NIA

On Sat, 11 Aug 2012 20:28:57 -0700, you wrote:

>This part got my interest
>
>> TEN-TEC Inc. Announces the Model 418
>> 160-6 Meter Solid State Linear Amplifier in stock and ready for shipment
>
>But then I read this
>
>> Generating 100 Watts of output from as little as 5 Watts of input
>
>And finally, this:
>
>> The TEN-TEC Model 418 Amplifier is competitively priced at $785.00
>
>They must be kidding!
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Re: [Elecraft] FW: TEN-TEC announces new amplifier

2012-08-11 Thread Vic, K2VCO
This part got my interest

> TEN-TEC Inc. Announces the Model 418
> 160-6 Meter Solid State Linear Amplifier in stock and ready for shipment

But then I read this

> Generating 100 Watts of output from as little as 5 Watts of input

And finally, this:

> The TEN-TEC Model 418 Amplifier is competitively priced at $785.00

They must be kidding!

-- 
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
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Re: [Elecraft] [K3] RTTY, RUMLog, CocoaModem

2012-08-11 Thread John_N1JM
The simple answer is yes for rtty(FSK-D)  and you do it with one com port for
ptt and rtty keying and no other interface. I have not tried it with PSK.

John N1JM


Mike-14-3 wrote
> 
> Is it possible to configure the RUMLog/CocoaModem combo to transmit RTTY 
> and PSK without using VOX or an interface? (DATA - AFSK A)
> 
> If someone has actually done it, I'd really like to pick your brains.
> 
> 73, Mike NF4L
> 
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Re: [Elecraft] KX3 and HDSDR

2012-08-11 Thread Phil Townsend
FYI
All Mac laptops have stereo audio output jacks.

Sent from my iPad

On Aug 11, 2012, at 7:54 PM, Bill Conkling  wrote:

> Some have mono mic input, but stereo line in on same plug.  My Dell Latitude  
> 620 is thus equipped.  
> 
> ...bill nr4c n
> 
> Sent from my Verizon Wireless Droid
> 
> -Original message-
> From: Larry Phipps 
> To: elecraft@mailman.qth.net
> Sent: Sat, Aug 11, 2012 16:28:36 GMT+00:00
> Subject: Re: [Elecraft] KX3 and HDSDR
> 
> It is a rare built-in laptop sound card that has a stereo input. They 
> are almost always mono mic inputs (except for some Apple laptops).
> 
> 73,
> Larry N8LP
> 
> 
> On 8/11/2012 12:00 PM, elecraft-requ...@mailman.qth.net wrote:
>> Message: 8
>> Date: Sat, 11 Aug 2012 08:50:29 -0700 (PDT)
>> From: Ignacy
>> Subject: Re: [Elecraft] KX3 and HDSDR
>> To:elecraft@mailman.qth.net
>> Message-ID:<1344700229292-7560862.p...@n2.nabble.com>
>> Content-Type: text/plain; charset=us-ascii
>> 
>> What cables?
>> 
>> I tried to adjust amplitude/phase on the laptop to eliminate the other
>> sideband. No effect.  Perhaps teh card does not work in stereo although  
> the
>> card setup indicated that it is capable. Then moved to desktop. The
>> adjustments worked. However, there is lots of noise +-5Khz from the  
> center.
>> 
>> Is there a good reason to work many KHz from the center?
>> Seems one needs a good write up on interfacing HDSDR with KX3.
>> 
>> Ignacy
> 
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Re: [Elecraft] FW: TEN-TEC announces new amplifier

2012-08-11 Thread Fred Smith
Almost $800 for a 100w amp???

Fred/N0AZZ

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Adrian
Sent: Saturday, August 11, 2012 9:53 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] FW: TEN-TEC announces new amplifier

 
"TEN-TEC Inc. Announces the Model 418
160-6 Meter Solid State Linear Amplifier in stock and ready for shipment 
Generating 100 Watts of output from as little as 5 Watts of input, the Model 
418 Amplifier raises the bar for reliable and efficient recreational, 
emergency, and even contest communications.
TEN-TEC Engineers have utilized state of the art, silicon MOSFET technology to 
create a continuous 100% duty cycle operations in both CW and SSB Modes. The 
Model 418 is also compliant with AM, FM, AFSK, and PSK modes of operation.
Measuring only 3.625” x 6.5” x 7.6” inches and weighing just 5.4 lbs, the Model 
418 will operate from any 13.8VDC (+/-15%), 20 Amp power source.
Designed to interface with the new TEN-TEC Model 539 QRP Transceiver, the Model 
418 amplifier can be easily connected to most low power transmitter designs (20 
Watts or less input). The amplifier’s comprehensive User’s Manual and TEN-TEC’s 
industry standard Technical Support department make set up quick and easy.
The Model 418 can switch bands automatically or manually. It also has a two 
position manual antenna switch. Bypass operation allows low power operation 
until higher power is needed.
The Model 418’s large LCD front panel readout gives the operator essential 
information about Output Power, SWR, Operating Voltage, and even Operating 
Temperature.
The TEN-TEC Model 418 Amplifier is competitively priced at $785.00"

How does this compare to the Elecraft 100w amp for the KX3?

Adrian ... vk4tux

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-
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5194 - Release Date: 08/11/12

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[Elecraft] FW: TEN-TEC announces new amplifier

2012-08-11 Thread Adrian
 
"TEN-TEC Inc. Announces the Model 418 
160-6 Meter Solid State Linear Amplifier in stock and ready for shipment
Generating 100 Watts of output from as little as 5 Watts of input, the Model 
418 Amplifier raises the bar for reliable and efficient recreational, 
emergency, and even contest communications.
TEN-TEC Engineers have utilized state of the art, silicon MOSFET technology to 
create a continuous 100% duty cycle operations in both CW and SSB Modes. The 
Model 418 is also compliant with AM, FM, AFSK, and PSK modes of operation.
Measuring only 3.625” x 6.5” x 7.6” inches and weighing just 5.4 lbs, the Model 
418 will operate from any 13.8VDC (+/-15%), 20 Amp power source.
Designed to interface with the new TEN-TEC Model 539 QRP Transceiver, the Model 
418 amplifier can be easily connected to most low power transmitter designs (20 
Watts or less input). The amplifier’s comprehensive User’s Manual and TEN-TEC’s 
industry standard Technical Support department make set up quick and easy.
The Model 418 can switch bands automatically or manually. It also has a two 
position manual antenna switch. Bypass operation allows low power operation 
until higher power is needed.
The Model 418’s large LCD front panel readout gives the operator essential 
information about Output Power, SWR, Operating Voltage, and even Operating 
Temperature.
The TEN-TEC Model 418 Amplifier is competitively priced at $785.00"

How does this compare to the Elecraft 100w amp for the KX3?

Adrian ... vk4tux

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Re: [Elecraft] K3/P3 Question

2012-08-11 Thread Fred Jensen
OK Alan, that answers my question.  It probably would be nice ... at 
least in this situation but others may come up with counter examples ... 
that it went back to where I had it set, but this is a pretty small 
thing.  Whenever you're bored and looking for something to do, like that 
ever happens :-)

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2012 Cal QSO Party 6-7 Oct 2012
- www.cqp.org
On 8/11/2012 6:33 PM, n...@sonic.net wrote:
> I believe 6474 kHz probably falls within the definition of the 40 meter
> band on the K3.  (I'm not home now so I can't check.)  So when you jump
> back to 7050 the P3 does not use the per-band start/stop frequencies
> stored in EEPROM (since you haven't changed bands) but instead uses the
> algorithm for changing frequencies within a band.  The algorithm prefers
> "even" start frequencies, meaning frequencies divisible by 100 kHz, 50
> kHz, etc.  I probably should tweak the algorithm so that if the band edge
> ends up too close to the K3 VFO frequency it moves down a bit to center
> the VFO better.


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Re: [Elecraft] KX3 and HDSDR

2012-08-11 Thread Bill Conkling
Some have mono mic input, but stereo line in on same plug.  My Dell Latitude  
620 is thus equipped.  

...bill nr4c n

Sent from my Verizon Wireless Droid

-Original message-
From: Larry Phipps 
To: elecraft@mailman.qth.net
Sent: Sat, Aug 11, 2012 16:28:36 GMT+00:00
Subject: Re: [Elecraft] KX3 and HDSDR

It is a rare built-in laptop sound card that has a stereo input. They 
are almost always mono mic inputs (except for some Apple laptops).

73,
Larry N8LP


On 8/11/2012 12:00 PM, elecraft-requ...@mailman.qth.net wrote:
> Message: 8
> Date: Sat, 11 Aug 2012 08:50:29 -0700 (PDT)
> From: Ignacy
> Subject: Re: [Elecraft] KX3 and HDSDR
> To:elecraft@mailman.qth.net
> Message-ID:<1344700229292-7560862.p...@n2.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
> What cables?
>
> I tried to adjust amplitude/phase on the laptop to eliminate the other
> sideband. No effect.  Perhaps teh card does not work in stereo although  
the
> card setup indicated that it is capable. Then moved to desktop. The
> adjustments worked. However, there is lots of noise +-5Khz from the  
center.
>
> Is there a good reason to work many KHz from the center?
> Seems one needs a good write up on interfacing HDSDR with KX3.
>
> Ignacy

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Re: [Elecraft] K3/P3 Question

2012-08-11 Thread n1al
I believe 6474 kHz probably falls within the definition of the 40 meter
band on the K3.  (I'm not home now so I can't check.)  So when you jump
back to 7050 the P3 does not use the per-band start/stop frequencies
stored in EEPROM (since you haven't changed bands) but instead uses the
algorithm for changing frequencies within a band.  The algorithm prefers
"even" start frequencies, meaning frequencies divisible by 100 kHz, 50
kHz, etc.  I probably should tweak the algorithm so that if the band edge
ends up too close to the K3 VFO frequency it moves down a bit to center
the VFO better.

Alan


> Today, I was copying KSM on 6474 KHz on one VFO and decided to send
> K6KPH a signal report on 7050 KHz on the other.  I had set my P3 to 20
> KHz span, and the left edge was 7040 KHz [I'm in fixed-tune mode, the
> VFO cursor moves, I was "two spans up" from the bottom of the band] and
> the VFO A cursor was in the middle of the display when I was on 7050.
>
> I tapped A/B, now listening to KSM on 6474.  The P3 showed a 20 KHz span
> from 6460 to 6480 and the signal at 6474.  I got a QSA and QRK, and then
> tapped A/B again to swap VFO's.  At this point, the left edge of the P3
> display was my transmit frequency [7050] instead of 7040 where I had set
> it previously.  It seems to be totally repeatable.
>
> Is this normal behavior?  I guess I expected the P3 to return to the
> configuration I had set on the 40m VFO ... 7040-7060 with the tx freq in
> the middle.
>
> 73,
>
> Fred K6DGW
> - Northern California Contest Club
> - CU in the 2012 Cal QSO Party 6-7 Oct 2012
> - www.cqp.org
>
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>


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Re: [Elecraft] Sherwood review

2012-08-11 Thread Jim Lowman
You might consider keeping the FT-817 for its 2m/432 all-mode 
capabilities.  That's my plan.
If the FT-817 isn't already flooding the used market, it should be once 
the FT-817 owners who have ordered KX3s receive theirs.
Doesn't bode well for a good resale price.

72/73 de Jim - AD6CW

On 8/11/2012 9:11 AM, John Fritze wrote:
> WOW! Great numbers.  But I have one disappointment though, you've really
> made my Yaesu 817 hard to sell on the used market ;-)  Thanks for a really
> great product.  It was worth the wait.  I am really having a lot of fun
> with this little guy.
>

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[Elecraft] Elecraft SSB net announcement

2012-08-11 Thread Phillip Shepard
The weekly Elecraft SSB net will meet tomorrow (8/12/12) at 1800Z on 14.3035
MHz +/- QRM. I will be the net control from western Oregon.  See you there.

73,

Phil, NS7P

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Re: [Elecraft] KX3 Small Screen for the QRP Gang

2012-08-11 Thread Bruce Beford
Hi Bill.
 
I have a gen3 iPod Touch and use iSDR with the Blue Microphone Mikey:
http://www.bluemic.com/mikey_for_ipod/
However, I am not sure that it is compatible with the gen4 iTouch.
 
If you go to the iSDR developer's website:
http://www.digitalconfections.com/index.php?option=com_content&view=article&;
id=46&Itemid=54 
 
You can investigate what people have used with the gen4 iTouch.
 
GL,
Bruce, N1RX
 
> I don't have an iPhone and probably won't.  I want to use the version
4iPod
> touch with the KX3.  Lacking much familiarity, what do I need for add-ons
to
> make it be my Panadapter for the Kx3?  So far it appears the iDSR, and ???
> I want the full 48Khz screen.
 
> 73,
> Bill
> K9YEQ
 
 

 

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Re: [Elecraft] KX3 Small Screen for the QRP Gang

2012-08-11 Thread Bill K9YEQ
Eric,

I don't have an iPhone and probably won't.  I want to use the version 4iPod
touch with the KX3.  Lacking much familiarity, what do I need for add-ons to
make it be my Panadapter for the Kx3?  So far it appears the iDSR, and ???
I want the full 48Khz screen.

73,
Bill
K9YEQ


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Eric Swartz WA6HHQ -
Elecraft
Sent: Saturday, August 11, 2012 9:18 AM
To: Adi Andrei
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Small Screen for the QRP Gang

The Griffin iMic adapter also provides stereo input for the iPad and iPhone.

Eric

www.elecraft.com
_..._



On Aug 11, 2012, at 4:39 AM, Adi Andrei  wrote:

> You could use your iPhone with iSDR or similar app.
> Take either I or Q output from KX3, and connect it to the iPhone
microphone jack.
> Done it, it works. you only get 24KHz range, because the iPhone mic input
is mono.
> Total cost under $10. (4pole jack, cable)
> 
> Or you could connect both I and Q to the iPhone dock connector (stereo 
> input) and get the full 48Khz
> 
> Adi, M0THX
> 
> 
> On 11/08/2012 10:49, Ken wrote:
>> Wayne, Eric, & the Tech guys.
>> 
>> Pretty far fetched maybe, but what would be cool is a small p3 with a
small screen, about the size of an iPhone 4, maybe possibly a bit bigger,
shallow depth to compliment the KX3 QRP transceiver, A truly portable unit!!
>> Could you shrink it down!!!
>> 
>> Ken..G0ORH / M3i
>> 
>> Sent from my iPhone 4s
>> 
>> 
>> 
>> 
>> __
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Re: [Elecraft] K1 Frequency range.

2012-08-11 Thread AF6NI
You will want the wider range. It will cover the freqs you want on 40m and
also allow you to get to WWV on 30m.



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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Matt Zilmer
Doh!  Video cameras have stereo mics.  So it's part of iOS.  I was
wondering how Griffin coded the audio into the video stream.  They
didn't have to, designers just did it native mode!

I have to re-read these several reams of iOS stuff I have piled up
here

73,
matt 

On Sat, 11 Aug 2012 09:25:59 -0700, you wrote:

>It is not via Bluetooth. The iMic connects directly to the iPad/iPhone via the 
>small Apple camera USB adapter.
>
>That would be cool if were BT!
>
>73,
>
>Eric
>
>www.elecraft.com
>_..._
>
>
>
>On Aug 11, 2012, at 9:14 AM, Matt Zilmer  wrote:
>
>> Via the BT, not a wired connection...  The 30-pin doesn't have a mic
>> input.  Last time I checked, anyway.
>> 
>> matt
>> 
>> On Sat, 11 Aug 2012 07:17:34 -0700, you wrote:
>> 
>>> The Griffin iMic adapter also provides stereo input for the iPad and iPhone.
>>> 
>>> Eric
>>> 
>>> www.elecraft.com
>>> _..._
>>> 
>>> 
>>> 
>>> On Aug 11, 2012, at 4:39 AM, Adi Andrei  wrote:
>>> 
 You could use your iPhone with iSDR or similar app.
 Take either I or Q output from KX3, and connect it to the iPhone 
 microphone jack.
 Done it, it works. you only get 24KHz range, because the iPhone mic input 
 is mono.
 Total cost under $10. (4pole jack, cable)
 
 Or you could connect both I and Q to the iPhone dock connector (stereo 
 input) and get the full 48Khz
 
 Adi, M0THX
 
 
 On 11/08/2012 10:49, Ken wrote:
> Wayne, Eric, & the Tech guys.
> 
> Pretty far fetched maybe, but what would be cool is a small p3 with a 
> small screen, about the size of an iPhone 4, maybe possibly a bit bigger, 
> shallow depth to compliment the KX3 QRP transceiver, A truly portable 
> unit!!
> Could you shrink it down!!!
> 
> Ken..G0ORH / M3i
> 
> Sent from my iPhone 4s
> 
> 
> 
> 
> __
> Elecraft mailing list
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> 
 
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[Elecraft] K3/P3 Question

2012-08-11 Thread Fred Jensen
Today, I was copying KSM on 6474 KHz on one VFO and decided to send 
K6KPH a signal report on 7050 KHz on the other.  I had set my P3 to 20 
KHz span, and the left edge was 7040 KHz [I'm in fixed-tune mode, the 
VFO cursor moves, I was "two spans up" from the bottom of the band] and 
the VFO A cursor was in the middle of the display when I was on 7050.

I tapped A/B, now listening to KSM on 6474.  The P3 showed a 20 KHz span 
from 6460 to 6480 and the signal at 6474.  I got a QSA and QRK, and then 
tapped A/B again to swap VFO's.  At this point, the left edge of the P3 
display was my transmit frequency [7050] instead of 7040 where I had set 
it previously.  It seems to be totally repeatable.

Is this normal behavior?  I guess I expected the P3 to return to the 
configuration I had set on the 40m VFO ... 7040-7060 with the tx freq in 
the middle.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2012 Cal QSO Party 6-7 Oct 2012
- www.cqp.org

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Re: [Elecraft] [K3] Lesson in DSP noise reduction, please

2012-08-11 Thread Brian Hunt
LyLe wrote up a short tutorial on the NR a while back so you might 
search for that or maybe he put it on the Elecraft website.  What I 
learned from it was the NR works to suppress uncorrelated noise and when 
it detects a signal it "builds a filter around" it and lets it pass.  So 
I did some experimenting and found that with the CW bandpass set at 
about 1 KHz the NR is very effective against background noise or even 
static crashes. if you narrow the bandpass down to 200 Hz or so the NR 
is less effective since in a narrow band the noise is more correlated.  
This can be easily seen using the Spectrogram software.

One of my favorite tricks for copying noise level QRP signals in a QRM 
free situation is to set the NR to MF5-2 or MF5-3 and DSP bandwidth to 
1KHz.  Tune in the signal you couldn't hear before and then punch on the 
APF.  All of a sudden you have a 20 dB SNR where there wasn't a signal.  
Spectrogram helps set this up and see what's going on.

Hope this helps ...

73,
Brian, K0DTJ

On 8/11/2012 11:25 AM, Don Putnick wrote:
> I've read Steve Cady's manual and it explains quite well how DSP noise
> reduction is implemented. What it doesn't explain is under what conditions
> the various settings should be used. For example, when should 100% noise
> reduction F1-1 thru F4-4 be used, and when should the mixed processed and
> unprocessed noise reduction MF5-1 thru MF8-4 be used? FWIW, I gain the most
> benefit from the hardware noise blanker.
>
> Thanks and 73,
> Don NA6Z

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[Elecraft] [K3] Lesson in DSP noise reduction, please

2012-08-11 Thread Don Putnick
I've read Steve Cady's manual and it explains quite well how DSP noise
reduction is implemented. What it doesn't explain is under what conditions
the various settings should be used. For example, when should 100% noise
reduction F1-1 thru F4-4 be used, and when should the mixed processed and
unprocessed noise reduction MF5-1 thru MF8-4 be used? FWIW, I gain the most
benefit from the hardware noise blanker.

Thanks and 73,
Don NA6Z
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Re: [Elecraft] KX3 and HDSDR

2012-08-11 Thread F5LCI






Is the laptop input stereo ? Le Sat, 11 Aug 2012 15:13:32 -, Ignacy [via 
Elecraft]  a écrit: 

I connected KX3 to a laptop and ran HDSDR. It appears that sideband are 
not distinguished as during tuning some signals move left and some move right. 
Also no movement on phase pictures. 
I checked that the cable is stereo. No Omni-Rig yet.
Any idea?
Ignacy, NO9E








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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Matt Zilmer
!! Aha !!

Then the mic inputs are digital.  I'd guess the camera adapter plugs
into the 30-pin?  Don't think iPhones have any other digital I/O

73,
matt

On Sat, 11 Aug 2012 09:25:59 -0700, you wrote:

>It is not via Bluetooth. The iMic connects directly to the iPad/iPhone via the 
>small Apple camera USB adapter.
>
>That would be cool if were BT!
>
>73,
>
>Eric
>
>www.elecraft.com
>_..._
>
>
>
>On Aug 11, 2012, at 9:14 AM, Matt Zilmer  wrote:
>
>> Via the BT, not a wired connection...  The 30-pin doesn't have a mic
>> input.  Last time I checked, anyway.
>> 
>> matt
>> 
>> On Sat, 11 Aug 2012 07:17:34 -0700, you wrote:
>> 
>>> The Griffin iMic adapter also provides stereo input for the iPad and iPhone.
>>> 
>>> Eric
>>> 
>>> www.elecraft.com
>>> _..._
>>> 
>>> 
>>> 
>>> On Aug 11, 2012, at 4:39 AM, Adi Andrei  wrote:
>>> 
 You could use your iPhone with iSDR or similar app.
 Take either I or Q output from KX3, and connect it to the iPhone 
 microphone jack.
 Done it, it works. you only get 24KHz range, because the iPhone mic input 
 is mono.
 Total cost under $10. (4pole jack, cable)
 
 Or you could connect both I and Q to the iPhone dock connector (stereo 
 input) and get the full 48Khz
 
 Adi, M0THX
 
 
 On 11/08/2012 10:49, Ken wrote:
> Wayne, Eric, & the Tech guys.
> 
> Pretty far fetched maybe, but what would be cool is a small p3 with a 
> small screen, about the size of an iPhone 4, maybe possibly a bit bigger, 
> shallow depth to compliment the KX3 QRP transceiver, A truly portable 
> unit!!
> Could you shrink it down!!!
> 
> Ken..G0ORH / M3i
> 
> Sent from my iPhone 4s
> 
> 
> 
> 
> __
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Re: [Elecraft] Sub Receiver Band Independence?

2012-08-11 Thread Mike Cox
More correctly, in CONFIG, set VFO IND to "yes".. typed too fast...

Mike

On 8/11/2012 13:39 PM, Mike Cox wrote:
> in MENU set VFO IND to "no"
>
> On 8/11/2012 13:14 PM, Ken Pyke wrote:
>> Hi, the bottom right of page 37 says "hold BSET, then tap BAND to select the 
>> SUB receiver's band.  Why can't I get that to work? Ken VE3YK Lake of Bays 
>> Ontario.
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Re: [Elecraft] Sub Receiver Band Independence?

2012-08-11 Thread Mike Cox
in MENU set VFO IND to "no"

On 8/11/2012 13:14 PM, Ken Pyke wrote:
> Hi, the bottom right of page 37 says "hold BSET, then tap BAND to select the 
> SUB receiver's band.  Why can't I get that to work? Ken VE3YK Lake of Bays 
> Ontario.
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[Elecraft] [K3] RTTY, RUMLog, CocoaModem

2012-08-11 Thread Mike
Is it possible to configure the RUMLog/CocoaModem combo to transmit RTTY 
and PSK without using VOX or an interface? (DATA - AFSK A)

If someone has actually done it, I'd really like to pick your brains.

73, Mike NF4L

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[Elecraft] Sub Receiver Band Independence?

2012-08-11 Thread Ken Pyke
Hi, the bottom right of page 37 says "hold BSET, then tap BAND to select the 
SUB receiver's band.  Why can't I get that to work? Ken VE3YK Lake of Bays 
Ontario.
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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Keith Heimbold
I am definitely going to try this. Has anyone documented this setup or created 
a wiki for it?  That would be really schweet!

Keith
AG6AZ

Sent from my iPhone please excuse typos

On Aug 11, 2012, at 9:26 AM, "Eric Swartz WA6HHQ - Elecraft" 
 wrote:

> It is not via Bluetooth. The iMic connects directly to the iPad/iPhone via 
> the small Apple camera USB adapter.
> 
> That would be cool if were BT!
> 
> 73,
> 
> Eric
> 
> www.elecraft.com
> _..._
> 
> 
> 
> On Aug 11, 2012, at 9:14 AM, Matt Zilmer  wrote:
> 
>> Via the BT, not a wired connection...  The 30-pin doesn't have a mic
>> input.  Last time I checked, anyway.
>> 
>> matt
>> 
>> On Sat, 11 Aug 2012 07:17:34 -0700, you wrote:
>> 
>>> The Griffin iMic adapter also provides stereo input for the iPad and iPhone.
>>> 
>>> Eric
>>> 
>>> www.elecraft.com
>>> _..._
>>> 
>>> 
>>> 
>>> On Aug 11, 2012, at 4:39 AM, Adi Andrei  wrote:
>>> 
 You could use your iPhone with iSDR or similar app.
 Take either I or Q output from KX3, and connect it to the iPhone 
 microphone jack.
 Done it, it works. you only get 24KHz range, because the iPhone mic input 
 is mono.
 Total cost under $10. (4pole jack, cable)
 
 Or you could connect both I and Q to the iPhone dock connector (stereo 
 input) and get the full 48Khz
 
 Adi, M0THX
 
 
 On 11/08/2012 10:49, Ken wrote:
> Wayne, Eric, & the Tech guys.
> 
> Pretty far fetched maybe, but what would be cool is a small p3 with a 
> small screen, about the size of an iPhone 4, maybe possibly a bit bigger, 
> shallow depth to compliment the KX3 QRP transceiver, A truly portable 
> unit!!
> Could you shrink it down!!!
> 
> Ken..G0ORH / M3i
> 
> Sent from my iPhone 4s
> 
> 
> 
> 
> __
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Re: [Elecraft] KX3 and HDSDR

2012-08-11 Thread Larry Phipps
It is a rare built-in laptop sound card that has a stereo input. They 
are almost always mono mic inputs (except for some Apple laptops).

73,
Larry N8LP


On 8/11/2012 12:00 PM, elecraft-requ...@mailman.qth.net wrote:
> Message: 8
> Date: Sat, 11 Aug 2012 08:50:29 -0700 (PDT)
> From: Ignacy
> Subject: Re: [Elecraft] KX3 and HDSDR
> To:elecraft@mailman.qth.net
> Message-ID:<1344700229292-7560862.p...@n2.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
> What cables?
>
> I tried to adjust amplitude/phase on the laptop to eliminate the other
> sideband. No effect.  Perhaps teh card does not work in stereo although the
> card setup indicated that it is capable. Then moved to desktop. The
> adjustments worked. However, there is lots of noise +-5Khz from the center.
>
> Is there a good reason to work many KHz from the center?
> Seems one needs a good write up on interfacing HDSDR with KX3.
>
> Ignacy

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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Eric Swartz WA6HHQ - Elecraft
It is not via Bluetooth. The iMic connects directly to the iPad/iPhone via the 
small Apple camera USB adapter.

That would be cool if were BT!

73,

Eric

www.elecraft.com
_..._



On Aug 11, 2012, at 9:14 AM, Matt Zilmer  wrote:

> Via the BT, not a wired connection...  The 30-pin doesn't have a mic
> input.  Last time I checked, anyway.
> 
> matt
> 
> On Sat, 11 Aug 2012 07:17:34 -0700, you wrote:
> 
>> The Griffin iMic adapter also provides stereo input for the iPad and iPhone.
>> 
>> Eric
>> 
>> www.elecraft.com
>> _..._
>> 
>> 
>> 
>> On Aug 11, 2012, at 4:39 AM, Adi Andrei  wrote:
>> 
>>> You could use your iPhone with iSDR or similar app.
>>> Take either I or Q output from KX3, and connect it to the iPhone microphone 
>>> jack.
>>> Done it, it works. you only get 24KHz range, because the iPhone mic input 
>>> is mono.
>>> Total cost under $10. (4pole jack, cable)
>>> 
>>> Or you could connect both I and Q to the iPhone dock connector (stereo 
>>> input) and get the full 48Khz
>>> 
>>> Adi, M0THX
>>> 
>>> 
>>> On 11/08/2012 10:49, Ken wrote:
 Wayne, Eric, & the Tech guys.
 
 Pretty far fetched maybe, but what would be cool is a small p3 with a 
 small screen, about the size of an iPhone 4, maybe possibly a bit bigger, 
 shallow depth to compliment the KX3 QRP transceiver, A truly portable 
 unit!!
 Could you shrink it down!!!
 
 Ken..G0ORH / M3i
 
 Sent from my iPhone 4s
 
 
 
 
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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Matt Zilmer
Via the BT, not a wired connection...  The 30-pin doesn't have a mic
input.  Last time I checked, anyway.

matt

On Sat, 11 Aug 2012 07:17:34 -0700, you wrote:

>The Griffin iMic adapter also provides stereo input for the iPad and iPhone.
>
>Eric
>
>www.elecraft.com
>_..._
>
>
>
>On Aug 11, 2012, at 4:39 AM, Adi Andrei  wrote:
>
>> You could use your iPhone with iSDR or similar app.
>> Take either I or Q output from KX3, and connect it to the iPhone microphone 
>> jack.
>> Done it, it works. you only get 24KHz range, because the iPhone mic input is 
>> mono.
>> Total cost under $10. (4pole jack, cable)
>> 
>> Or you could connect both I and Q to the iPhone dock connector (stereo 
>> input) and get the full 48Khz
>> 
>> Adi, M0THX
>> 
>> 
>> On 11/08/2012 10:49, Ken wrote:
>>> Wayne, Eric, & the Tech guys.
>>> 
>>> Pretty far fetched maybe, but what would be cool is a small p3 with a small 
>>> screen, about the size of an iPhone 4, maybe possibly a bit bigger, shallow 
>>> depth to compliment the KX3 QRP transceiver, A truly portable unit!!
>>> Could you shrink it down!!!
>>> 
>>> Ken..G0ORH / M3i
>>> 
>>> Sent from my iPhone 4s
>>> 
>>> 
>>> 
>>> 
>>> __
>>> 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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Re: [Elecraft] KX3 and HDSDR

2012-08-11 Thread Tony Estep
On Sat, Aug 11, 2012 at 10:13 AM, Ignacy  wrote:

> ...I checked that the cable is stereo

=
The cable may be stereo, but  mic input for the laptop may be mono. At
least that's the case with many laptops. If so, you'll have to get an
outboard sound module.

Tony KT0NY

-- 
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Re: [Elecraft] K3 Sidetone feature request

2012-08-11 Thread drewko
FWIW, I would also like that feature.  

Would also like being able to adjust the pitch of a received signal
for optimal copy without moving it in the passband. (You can do this
indirectly with PITCH, except you can't listen to the actual signal
while you are adjusting it; only the sidetone. Even if you turn MON to
zero, there are still no signals audible while PITCH is engaged.)

73,
Drew
AF2Z


On Sat, 11 Aug 2012 10:41:57 -0400, Dale wrote:

>While trying to work D64K the other night on 20m CW with the filters 
>tightened down to about 100Hz around D64K (to filter out the typical 
>tuner-uppers, 'up'-cops, and stations calling on or nearly on 
>frequency)  I wished that there was a way to offset the sidetone 
>frequency just a bit so that it wasn't the same as the filter center 
>frequency.  This issue is that when operating fast QSK where the DX 
>station is tightly centered in the filter bandpass, my own sidetone gets 
>in the way of being able to hear the DX station since the frequency is 
>the same. If the sidetone could be offset 50 to 100 Hz above or below 
>the filter center frequency, this masking would no longer occur.
>
>Any chance that this capability already exists and I just haven't 
>discovered it yet?
>
>73, Dale
>WA8SRA
>

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Re: [Elecraft] KX3 and HDSDR

2012-08-11 Thread Ignacy
What cables?

I tried to adjust amplitude/phase on the laptop to eliminate the other
sideband. No effect.  Perhaps teh card does not work in stereo although the
card setup indicated that it is capable. Then moved to desktop. The
adjustments worked. However, there is lots of noise +-5Khz from the center. 

Is there a good reason to work many KHz from the center?
Seems one needs a good write up on interfacing HDSDR with KX3.  

Ignacy



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Re: [Elecraft] K1 Frequency range.

2012-08-11 Thread Stan AE7UT
Thanks for the help Gil. 

Stan AE7UT



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[Elecraft] Ultimatic keying

2012-08-11 Thread emanning
I third the motion!

I have been building external boxes to provide Ultimatic keying mode for
about 25 years.

It would be VERY nice to have it internal to
the K3/KX3...

Eric
VA7DZ
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Re: [Elecraft] Elecraft Digest, Vol 100, Issue 26

2012-08-11 Thread Dave KK7SS
I was hoping to see something for those of us who do not use iPads, iPhones, 
etc..
Anything?
Anyone?

 
--
Dave G  KK7SS
Richland, WA

KX3 #097

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Re: [Elecraft] KX3 and HDSDR

2012-08-11 Thread K4ia
Try reversing the cables. 

Craig Buck

On Aug 11, 2012, at 11:13 AM, Ignacy  wrote:

> I connected KX3 to a laptop and ran HDSDR. It appears that sideband are not
> distinguished as during tuning some signals move left and some move right.
> Also no movement on phase pictures. 
> 
> I checked that the cable is stereo. No Omni-Rig yet.
> 
> Any idea?
> 
> Ignacy, NO9E
> 
> 
> 
> --
> View this message in context: 
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> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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[Elecraft] K3 Frequency Calibration vs the Reverse Beacon Network

2012-08-11 Thread Paul Kirley
N4ZR sed:
> When I jump to a Reverse Beacon 
> Network spot (on CW), the perceived audio tone of the station's CW is

> almost always higher than where I have my Pitch set, so in order to 
> center the signal, I wind up tuning up-frequency perhaps 100-200 Hz.


It sounds like you are using the alternate CW setting (USB CW), rather
than the default (LSB CW).  And it also sounds like you're using a
pitch other than the default.

You might want to try the RBN with the default pitch, with the
default LSB CW, or both.


73, Paul W8TM

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[Elecraft] KX3 and HDSDR

2012-08-11 Thread Ignacy
I connected KX3 to a laptop and ran HDSDR. It appears that sideband are not
distinguished as during tuning some signals move left and some move right.
Also no movement on phase pictures. 

I checked that the cable is stereo. No Omni-Rig yet.

Any idea?

Ignacy, NO9E



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[Elecraft] Sherwood review

2012-08-11 Thread John Fritze
WOW! Great numbers.  But I have one disappointment though, you've really
made my Yaesu 817 hard to sell on the used market ;-)  Thanks for a really
great product.  It was worth the wait.  I am really having a lot of fun
with this little guy.

-- 
John Fritze Jr
K2QY
AARA president 2012
ACACES secretary 2012
Albany County RACES Radio Officer
ARES ENY DEC Northern District
ARES Albany County EC
Twitter: @k2qy
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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Eric Swartz WA6HHQ - Elecraft
To clarify, The iMic is a Stereo input to USB adapter. It plugs into the Apple 
camera adapter kit usb slot. The camera adapter gives the iPad or iPhone a USB 
slot. the camera adapter is quite cheap and available at Best Buy etc.

Eric

www.elecraft.com
_..._



On Aug 11, 2012, at 7:50 AM, "MontyS"  wrote:

> Eric,
> 
> When I search for Griffin Imic I get a USB adapter.  Is there another 
> qualifier for the one you mention?
> 
> Thanks, Monty K2DLJ
> 
> -Original Message- From: Eric Swartz WA6HHQ - Elecraft
> Sent: Saturday, August 11, 2012 10:17 AM
> To: Adi Andrei
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Small Screen for the QRP Gang
> 
> The Griffin iMic adapter also provides stereo input for the iPad and iPhone.
> 
> Eric
> 
> www.elecraft.com
> _..._
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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Thomas Horsten
Anything for Android? Specifically Galaxy S2, but also interested in
something that'd work with Galaxy Tab.

73, Thomas M0TRN

On 11 August 2012 15:17, Eric Swartz WA6HHQ - Elecraft wrote:

> The Griffin iMic adapter also provides stereo input for the iPad and
> iPhone.
>
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[Elecraft] K3 Sidetone feature request

2012-08-11 Thread Dale Boresz
While trying to work D64K the other night on 20m CW with the filters 
tightened down to about 100Hz around D64K (to filter out the typical 
tuner-uppers, 'up'-cops, and stations calling on or nearly on 
frequency)  I wished that there was a way to offset the sidetone 
frequency just a bit so that it wasn't the same as the filter center 
frequency.  This issue is that when operating fast QSK where the DX 
station is tightly centered in the filter bandpass, my own sidetone gets 
in the way of being able to hear the DX station since the frequency is 
the same. If the sidetone could be offset 50 to 100 Hz above or below 
the filter center frequency, this masking would no longer occur.

Any chance that this capability already exists and I just haven't 
discovered it yet?

73, Dale
WA8SRA

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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Jim Sheldon
Saw this work at Ham-Com in Plano, TX and it's pretty nice on the iPad.  The 
span width is nowhere near that of the P3, but considering the totally small 
package, especially with an iPhone as the display, I seriously doubt if there's 
a neater portable setup available anywhere, or with anywhere close to the 
operational support available!

Jim - W0EB

> iSdr works great as a panadapter with the KX3. I've been demoing it
> on an iPad with the KX3 at the hamfests we go to.
>
> Eric
>
> www.elecraft.com
> _..._
>
>
> On Aug 11, 2012, at 4:39 AM, Adi Andrei 
> wrote:
>
>> You could use your iPhone with iSDR or similar app.
>> Take either I or Q output from KX3, and connect it to the iPhone
>> microphone jack.
>> Done it, it works. you only get 24KHz range, because the iPhone
>> mic input is mono.
>> Total cost under $10. (4pole jack, cable)
>>
>> Or you could connect both I and Q to the iPhone dock connector
>> (stereo input) and get the full 48Khz
>>
>> Adi, M0THX
>>
>>
>> On 11/08/2012 10:49, Ken wrote:
>>> Wayne, Eric, & the Tech guys.
>>>
>>> Pretty far fetched maybe, but what would be cool is a small p3
>>> with a small screen, about the size of an iPhone 4, maybe
>>> possibly a bit bigger, shallow depth to compliment the KX3 QRP
>>> transceiver, A truly portable unit!!
>>> Could you shrink it down!!!
>>>
>>> Ken..G0ORH / M3i
>>>
>>> Sent from my iPhone 4s
>>>
>>>
>>> __
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>>>
>>>
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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Eric Swartz WA6HHQ - Elecraft
The Griffin iMic adapter also provides stereo input for the iPad and iPhone.

Eric

www.elecraft.com
_..._



On Aug 11, 2012, at 4:39 AM, Adi Andrei  wrote:

> You could use your iPhone with iSDR or similar app.
> Take either I or Q output from KX3, and connect it to the iPhone microphone 
> jack.
> Done it, it works. you only get 24KHz range, because the iPhone mic input is 
> mono.
> Total cost under $10. (4pole jack, cable)
> 
> Or you could connect both I and Q to the iPhone dock connector (stereo input) 
> and get the full 48Khz
> 
> Adi, M0THX
> 
> 
> On 11/08/2012 10:49, Ken wrote:
>> Wayne, Eric, & the Tech guys.
>> 
>> Pretty far fetched maybe, but what would be cool is a small p3 with a small 
>> screen, about the size of an iPhone 4, maybe possibly a bit bigger, shallow 
>> depth to compliment the KX3 QRP transceiver, A truly portable unit!!
>> Could you shrink it down!!!
>> 
>> Ken..G0ORH / M3i
>> 
>> Sent from my iPhone 4s
>> 
>> 
>> 
>> 
>> __
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>> 
> 
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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Eric Swartz WA6HHQ - Elecraft
iSdr works great as a panadapter with the KX3. I've been demoing it on an iPad 
with the KX3 at the hamfests we go to.

Eric

www.elecraft.com
_..._



On Aug 11, 2012, at 4:39 AM, Adi Andrei  wrote:

> You could use your iPhone with iSDR or similar app.
> Take either I or Q output from KX3, and connect it to the iPhone microphone 
> jack.
> Done it, it works. you only get 24KHz range, because the iPhone mic input is 
> mono.
> Total cost under $10. (4pole jack, cable)
> 
> Or you could connect both I and Q to the iPhone dock connector (stereo input) 
> and get the full 48Khz
> 
> Adi, M0THX
> 
> 
> On 11/08/2012 10:49, Ken wrote:
>> Wayne, Eric, & the Tech guys.
>> 
>> Pretty far fetched maybe, but what would be cool is a small p3 with a small 
>> screen, about the size of an iPhone 4, maybe possibly a bit bigger, shallow 
>> depth to compliment the KX3 QRP transceiver, A truly portable unit!!
>> Could you shrink it down!!!
>> 
>> Ken..G0ORH / M3i
>> 
>> Sent from my iPhone 4s
>> 
>> 
>> 
>> 
>> __
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Re: [Elecraft] KX3 Sherwood RX Test Numbers Posted

2012-08-11 Thread Eric Swartz WA6HHQ - Elecraft
We  definitely have a few over achievers here.. ;-)

We had tested to these numbers in the lab, but had to wait until they were 
confirmed by independent testers. Pretty cool!

73,

Eric

www.elecraft.com
_..._



On Aug 10, 2012, at 10:00 PM, k3...@comcast.net wrote:

> Eric,
>  I was under the impression the the KX3 would not perform as well as the 
> K2, but would be a better trail radio with some gee whiz features. Looks like 
> you guys over-achieved. Good show!!
> 
> 73,
> Barry
> K3NDM
> 
> From: "Eric Swartz - WA6HHQ, Elecraft" 
> To: "Elecraft Reflector" 
> Sent: Friday, August 10, 2012 2:09:17 PM
> Subject: [Elecraft] KX3 Sherwood RX Test Numbers Posted
> 
> See:
> http://www.sherweng.com/table.html
> 
> :-)
> 
> 73,
> 
> -- 
> Eric
> ---
> www.elecraft.com
> 
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[Elecraft] KX3 operating time on 9V battery (was: Sherwood ranking)

2012-08-11 Thread Barry N1EU

wayne burdick wrote
> 
> The KX3 would be the better choice for hand-held operation, and it  
> will run much longer from a 9-volt lithium ultralife battery.
> 
Can anyone estimate approx operating time for KX3 on such a battery and
approx cw power output?

Thanks & 73,
Barry N1EU




--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Sherwood-ranking-tp7560797p7560847.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Sherwood ranking

2012-08-11 Thread Geoffrey Mackenzie-Kennedy
Gary,

One answer to your first question is that the results of IMDDR3 tests at 2 
kHz spacing, performed with a 500 Hz IF filter inline, do not themselves 
tell you how a receiver will cope with two or more close spaced and strong 
signals inside its 500 Hz passband.  In the case of a superhet, these tests 
at 2 kHz spacing only provide a measure of the IMDDR3 of the front end and 
usually the input part of the 500 Hz IF filter.  They do not expose any "IMD 
weakness" which might exist in the complete IF filter, the IF or the backend 
of a receiver.

73,

Geoff
LX2AO


On August 11, 2012 at 12:06 AM, Gary Gregory wrote:


> *Barry,
>
> Perhaps more to the point..How does the measurement from Sherwood relate 
> to
> real time performance and usability for the operator?
>
> In what way does an operator detect a difference so small between say the
> top 3 on the list?
>
> Is the price differential worth buying say position one in the rankings
> over a transceiver ranked at 2 or 3?
>
> Whilst the ranking may be valid in the single measurement as shown, in the
> real world the vast majority are unlikely to ever detect such a small
> difference if all the top 3 ranked units were sitting in the shack side by
> side etc.
>
> I guess it comes down to which one looks the prettiest:-)
>
> Oh yeah, beauty IS in the eye of the beholder right? (I say this everyday
> when looking in the mirror in the hope I don't scare myself too much)
>
> Gary

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Re: [Elecraft] K3 Frequency Calibration vs the Reverse Beacon Network

2012-08-11 Thread Don Wilhelm
Pete,

I think you are assuming that the spot frequency is "dead on", and I 
would believe that is a bad assumption.  The other fellow's receiver may 
not be well calibrated.

If your K3 receives 15 MHz WWV at the right frequency, I would say your 
K3 is calibrated correctly.

73,
Don W3FPR

On 8/11/2012 8:45 AM, Pete Smith N4ZR wrote:
> I love my K3, but one thing puzzles me.  When I jump to a Reverse Beacon
> Network spot (on CW), the perceived audio tone of the station's CW is
> almost always higher than where I have my Pitch set, so in order to
> center the signal, I wind up tuning up-frequency perhaps 100-200 Hz.
> This is not altogether a bad thing, because it may move me out of the
> packet spot pileup, but it strikes me as odd.
>
>

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Re: [Elecraft] K3-transverter interface

2012-08-11 Thread Joe Subich, W4TV

On 8/11/2012 2:59 AM, w...@iw.net wrote:
> I would like to use my K3 as an IF radio for some VHF+ transverters.
> I have transverters for 8 bands, and it would be great if the set up
> included automatic bandswitching of the transverters, amps, PTT
> lines, etc. Is there anything out there that can handle this?

A Google search shows one commercial decoder:
http://www.kuhne-electronic.de/en/products/transverter/tr-6-sw.html
It looks like it might be usable with generic transverters.

There is also one home brew design that does not use PICs, etc.:
http://g4fre.com/k3vhf.pdf

In addition, band decoders from Elecraft (KRC-2 - using Aux bus) and
microHAM (Station Master - using CAT data) will decode the transverter
bands but will require additional relay switching to select IF (In/Out)
and route PTT to the respective transverters.

73,

... Joe, W4TV


On 8/11/2012 2:59 AM, w...@iw.net wrote:
> I would like to use my K3 as an IF radio for
> some VHF+ transverters.  I have transverters
> for 8 bands, and it would be great if the set
> up included automatic bandswitching of the
> transverters, amps, PTT lines, etc.  Is there
> anything out there that can handle this?
>
> I spend over 300 hours per month at work,
> so I don't have time to learn how to program a
> PIC, etc.
>
> Thanks & 73,
>
> Arliss  W7XU
>
>
>
>
> __
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[Elecraft] K3 Frequency Calibration vs the Reverse Beacon Network

2012-08-11 Thread Pete Smith N4ZR
I love my K3, but one thing puzzles me.  When I jump to a Reverse Beacon 
Network spot (on CW), the perceived audio tone of the station's CW is 
almost always higher than where I have my Pitch set, so in order to 
center the signal, I wind up tuning up-frequency perhaps 100-200 Hz.  
This is not altogether a bad thing, because it may move me out of the 
packet spot pileup, but it strikes me as odd.

Of course, packet spots' frequency is only reported to the nearest 100 
Hz, so I'd expect +/- 50 Hz variation in the tone of signals I jump on, 
but this appears to be bigger than that, and systematically in one 
direction.  Back in the day, I would have assumed my receiver 
calibration was off, and taken steps to bring it on-frequency, but in 
this case I don't know what to do.  I'm not particularly enthusiastic 
about fiddling with the Reference Oscillator calibration unless that is 
necessary.

Coincidentally, when I tune in WWV in CW mode, the tone frequency of the 
carrier is where it should be, with a Hz or two, as measured by the 
beating with the Spot tone.

Any ideas?

-- 
73, Pete N4ZR
The World Contest Station Database, at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at 
reversebeacon.blogspot.com,
spots at telnet.reversebeacon.net, port 7000 and
arcluster.reversebeacon.net, port 7000

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Re: [Elecraft] Sherwood ranking

2012-08-11 Thread drewko
I doubt if I would be able to appreciate the difference between the
numbers of the top three ranked, but I'm no expert.

The Sherwood numbers are not a comprehensive description of
"listenability". I am able to appreciate the recent improvements in K3
AGC and NR. But these improvements, it is said, would have no effect
on the Sherwood numbers. 

73,
Drew
AF2Z


On Sat, 11 Aug 2012 08:06:07 +1000, Gary wrote:

>*Barry,
>
>Perhaps more to the point..How does the measurement from Sherwood relate to
>real time performance and usability for the operator?
>
>In what way does an operator detect a difference so small between say the
>top 3 on the list?
>
>Is the price differential worth buying say position one in the rankings
>over a transceiver ranked at 2 or 3?
>
>Whilst the ranking may be valid in the single measurement as shown, in the
>real world the vast majority are unlikely to ever detect such a small
>difference if all the top 3 ranked units were sitting in the shack side by
>side etc.
>
>I guess it comes down to which one looks the prettiest:-)
>
>Oh yeah, beauty IS in the eye of the beholder right? (I say this everyday
>when looking in the mirror in the hope I don't scare myself too much)
>
>Gary
>*

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Re: [Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Adi Andrei
You could use your iPhone with iSDR or similar app.
Take either I or Q output from KX3, and connect it to the iPhone microphone 
jack.
Done it, it works. you only get 24KHz range, because the iPhone mic input is 
mono.
Total cost under $10. (4pole jack, cable)

Or you could connect both I and Q to the iPhone dock connector (stereo input) 
and get the full 48Khz

Adi, M0THX


On 11/08/2012 10:49, Ken wrote:
> Wayne, Eric, & the Tech guys.
>
> Pretty far fetched maybe, but what would be cool is a small p3 with a small 
> screen, about the size of an iPhone 4, maybe possibly a bit bigger, shallow 
> depth to compliment the KX3 QRP transceiver, A truly portable unit!!
> Could you shrink it down!!!
>
> Ken..G0ORH / M3i
>
> Sent from my iPhone 4s
>
>
>   
>
> __
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[Elecraft] Small Screen for the QRP Gang

2012-08-11 Thread Ken
Wayne, Eric, & the Tech guys.

Pretty far fetched maybe, but what would be cool is a small p3 with a small 
screen, about the size of an iPhone 4, maybe possibly a bit bigger, shallow 
depth to compliment the KX3 QRP transceiver, A truly portable unit!!   
Could you shrink it down!!!

Ken..G0ORH / M3i

Sent from my iPhone 4s


 

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Re: [Elecraft] K3-transverter interface

2012-08-11 Thread Fred Smith
MicroHAM maybe to start with look at their web site. Off the top of my head
that is all I can think of.

73
Fred/N0AZZ

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of w...@iw.net
Sent: Saturday, August 11, 2012 1:59 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3-transverter interface

I would like to use my K3 as an IF radio for some VHF+ transverters.  I have
transverters for 8 bands, and it would be great if the set up included
automatic bandswitching of the transverters, amps, PTT lines, etc.  Is there
anything out there that can handle this?

I spend over 300 hours per month at work, so I don't have time to learn how
to program a PIC, etc.

Thanks & 73,

Arliss  W7XU




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Re: [Elecraft] Sherwood ranking

2012-08-11 Thread Fred Smith
Wayne

Very true and I can see and hear it in person in the radios.

A side note on the P3/SVGA I had used LP-PAN and SDR-IQ both with my 5000
and they work OK LP-Pan I got rid of early on to hard to keep running all
the time. SDR-IQ much better and some nice features but..the P3 is my
favorite of them all for sure you plug it in and it works from the very
first time out of the gate a fine product. I didn't care for it before the
SVGA adapter came out but just the P3 is fine for outdoor use alone. All I
can say is keep up the good work and may it be very rewarding for you your
company and employees "GOOD JOB"

Thx & 73,
Fred/N0AZZ

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: Friday, August 10, 2012 10:55 PM
To: Phil Hystad
Cc: elecraft@mailman.qth.net; j...@johnjeanantiqueradio.com
Subject: Re: [Elecraft] Sherwood ranking

Phil Hystad wrote:

> But, when you look at those top three entries you have to ask the 
> question "Are these measurements effectively the same?"  I mean, is 
> there any true discernible difference between those top radios?

The short answer: In most operating situations they would all perform
equally well.

The long answer: They're vastly different radios. The '5000 is definitely a
nice rig, if a bit on the Statuesque end of the spectrum at 50+ pounds. Both
the K3 and KX3 have much better blocking dynamic range than the '5000, yet
are virtually equal to it in 2 kHz IMDDR3.  
Between the K3 and KX3, the K3 would be the better choice for serious
contest work given its superhet architecture and narrow crystal filters. The
K3 also has the highest-performance panadapter option of any radio.

The KX3 would be the better choice for hand-held operation, and it will run
much longer from a 9-volt lithium ultralife battery.

73,
Wayne
N6KR


>
>
> On Aug 10, 2012, at 6:14 PM, John K9UWA 
>  wrote:
>
>> I would love to see Rob do the K3 radio AGAIN with the latest goodies 
>> in it.
>> Notice that it shows as tested in 2008. I would suspect some things 
>> are better than the 2008 setup.
>>
>> John k9uwa
>>
>>
>>> Rob sorts the table based on IMDDR3 at a 2-kHz spacing. This is the 
>>> second-to-last column of the table.
>>>
>>> 73,
>>> Wayne
>>> N6KR
>> John Goller, K9UWA & Jean Goller, N9PXF Antique Radio Restorations 
>> k9...@arrl.net Visit our Web Site at:
>> http://www.JohnJeanAntiqueRadio.com
>> 4836 Ranch Road
>> Leo, IN 46765
>> USA
>> 1-260-637-6426
>>
>> __
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Re: [Elecraft] Sherwood ranking

2012-08-11 Thread Fred Smith
Yes a new test would be in order the FTDX-5000 has had many improvements
since that test date in 2010 a lot of the firmware seemed to still be beta
as new versions came as often as twice a week or more sometimes. Became a
real pain updating but they come less often now.

I find great pleasure in checking several of my radios with a push of a
button on my amp where 3 radios can be checked on same antenna and signal
within a split second. The 3 I have online right now are the
FTDX-5000MP/K3/100 loaded/K2/100 loaded. My findings have been quite
interesting to say the least for me anyway and enjoying every minute of it.

To answer one poster's question it is a real horse race between the 5000 and
the K3 with one never being a 100% winner but where the differences are is
quite noticeable. Plus I might add that I'm a relativity new K3/P3 owner and
not fully proficient with it yet by a far cry and have the 5000 since 3/10.
I'm sure others have did this also but later on I may post some of my
thoughts on these 2 rigs without any prejudice for either at this point.

My thanks to Wayne for his input on the Sherwood ranking of the KX3 in the
mix and how that was being misconstrued when comparing to the K3 and a few
other rigs. In fact I was uncertain on that point and was doing some
research when Wayne posted that for clarification. It really all is in the
numbers and how you get there for sure.

73,
Fred/N0AZZ

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil Hystad
Sent: Friday, August 10, 2012 9:23 PM
To: j...@johnjeanantiqueradio.com
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sherwood ranking

But, when you look at those top three entries you have to ask the question
"Are these measurements effectively the same?"  I mean, is there any true
discernible difference between those top radios.


On Aug 10, 2012, at 6:14 PM, John K9UWA 
wrote:

> I would love to see Rob do the K3 radio AGAIN with the latest goodies in
it. 
> Notice that it shows as tested in 2008. I would suspect some things 
> are better than the 2008 setup.
> 
> John k9uwa
> 
> 
>> Rob sorts the table based on IMDDR3 at a 2-kHz spacing. This is the 
>> second-to-last column of the table.
>> 
>> 73,
>> Wayne
>> N6KR
> John Goller, K9UWA & Jean Goller, N9PXF Antique Radio Restorations 
> k9...@arrl.net Visit our Web Site at:
> http://www.JohnJeanAntiqueRadio.com
> 4836 Ranch Road
> Leo, IN 46765
> USA
> 1-260-637-6426
> 
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Re: [Elecraft] dmitry.avdeev---Look here!----2012-8-11-15:38:0

2012-08-11 Thread Alfredo Velez
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Wish you happy everyday!
wp3c



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