Re: [Elecraft] IF Shift, PB Tuning, and why neither completely eliminates QRM

[Geoffrey Mackenzie-Kennedy]

On Wednesday, August 09, 2006 at 7:18 AM Wayne Burdick wrote:

A much better approach to the "Filter Shifing" problem would be to
actually *narrow* the first crystal filter, protecting all subsequent
stages.

---

May I second Wayne's suggestion. In practice I have found that it is very
useful to be able to select roofing filters having different bandwidths, at
the moment down to 1.5 kHz, with good stopband attenuation. In spite of the
protection offered by *narrow* roofing filters, I believe that it is wise 
to

have all the stages before the second IF filter(s) capable of handling
strong signals, i.e. IIP3s of  +40dbm or better, to reduce the crud
generated by those unwanted signals that are very close in and get through 
a

narrow bandwidth roofing filter. One price is high current draw which is
probably not acceptable if the rig is to be used portable. The phase noise
of the LOs must also be suitably low to avoid compromising dynamic range
etc. Lastly the filters themselves must also be capable of handling strong
signals.

73,
Geoff
GM4ESD




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Re: [Elecraft] IF Shift, PB Tuning, and why neither completely eliminates QRM

[Darrell Bellerive]

Could the SSB filter on the SSB Option board be made into a variable-passband 
filter rather than modifying the CW filter?


On August 8, 2006 11:18 pm, wayne burdick wrote:
> You could also modify the K2's variable-passband CW filter to optimize
> for wide bandwidths (SSB/DATA) rather than narrow. The same crystals
> are used both in the main (stock) filter and the KSB2. All you'd need
> to do is use smaller varactor diodes, preferably a matched set. You
> might be able to get a 1200-2400 Hz passband range with acceptably low
> ripple.

-- 
Darrell Bellerive
Amateur Radio Stations VA7TO and VE7CLA
Grand Forks, British Columbia, Canada
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Re: [Elecraft] 60 foot fiberglass pole

[Ken Alexander]

Awesome!  At a hundred and sixty something Euros it's
not that much more than what you'd pay for other
smaller masts.  My experience with my former MFJ mast,
which snapped early in its short life, was that the
top one or two sections weren't that useful for
supporting a wire.  But with a 60 ft mast you wouldn't
care if you couldn't use a section or two!

Does anyone here own one of these yet?

73,

Ken Alexander
VE3HLS


--- Larry Makoski W2LJ <[EMAIL PROTECTED]>
wrote:

> I'm not connected with Spiderbeam in any way, except
> for receiving this 
> e-mail.
> I know a lot of you guys are into field ops, so I
> thought I would 
> share.  Wow!
> Imagine 3 twenty foot Black Widows stacked on top of
> each other!
> 
> 
> Spiderbeam proudly announces... our 18m (60ft)
> telescopic fiberglass 
> pole is finally available!
> 
> Years of development and cooperation with our
> fiberglass manufacturer 
> finally made this dream come true. Just in time for
> the declining 
> sunspots and the upcoming contest season, we are
> introducing our new 
> 'king size' telescopic pole. At a total height of
> 18m (60ft), this pole 
> is just what the portable low-band operator needs..
> 
> Lightweight, small transportation length, easy to
> install by a single 
> person, perfectly suited for all activities on
> 80/160m!
> 
> See photos and further details at
>
http://www.spiderbeam.net/sb/product_info.php?language=en&info=p71_Spiderbeam%2018m%20fiberglass%20pole.html
> 
> 
> 
> I apologize in advance if anyone gets annoyed with
> this; but I thought 
> some of you might be interested.
> 
> -- 
> Larry W2LJ
> QRP - When you care to send the very least!
> 
> http://www.qsl.net/w2lj
> http://w2lj.blogspot.com/
> 
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[Elecraft] 60 foot fiberglass pole

[Larry Makoski W2LJ]

I'm not connected with Spiderbeam in any way, except for receiving this 
e-mail.
I know a lot of you guys are into field ops, so I thought I would 
share.  Wow!

Imagine 3 twenty foot Black Widows stacked on top of each other!


Spiderbeam proudly announces... our 18m (60ft) telescopic fiberglass 
pole is finally available!


Years of development and cooperation with our fiberglass manufacturer 
finally made this dream come true. Just in time for the declining 
sunspots and the upcoming contest season, we are introducing our new 
'king size' telescopic pole. At a total height of 18m (60ft), this pole 
is just what the portable low-band operator needs..


Lightweight, small transportation length, easy to install by a single 
person, perfectly suited for all activities on 80/160m!


See photos and further details at
http://www.spiderbeam.net/sb/product_info.php?language=en&info=p71_Spiderbeam%2018m%20fiberglass%20pole.html 



I apologize in advance if anyone gets annoyed with this; but I thought 
some of you might be interested.


--
Larry W2LJ
QRP - When you care to send the very least!

http://www.qsl.net/w2lj
http://w2lj.blogspot.com/

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[Elecraft] Fwd: [QRP-L] 60 foot fiberglass pole

[Able2fly]

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RE: [Elecraft] Fw: Canadian Postage Rate Increases

[Ron D'Eau Claire]

Well, the British radio stations are full of ads from the Royal Postal
Service about new rates beginning this month that include charging for size
as well as weight (we've been doing that here in the colonies for as long as
I can remember). And even so, recently I saw reference to the fact that when
Benjamin Franklin was US Postmaster General in the late 1700's, the US Mails
got a letter from Philadelphia to Washington D.C. faster than the US Mails
do today. 

Maybe that's okay because today we use the internet for fast written
communications. 

After half a century of conscientious QSLing, nowadays I only reply to
requests unless it's a particularly memorable contact. After all, the cost
of about 5 domestic QSLs = a US Gallon of gasoline . Not sure how they
compare in terms of greenhouse emissions though. The gasoline might be
cleaner! 

Ron AC7AC



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ken Alexander
Sent: Wednesday, August 09, 2006 4:47 PM
To: Stephen Brandt; Elecraft
Subject: Re: [Elecraft] Fw: Canadian Postage Rate Increases


It seems our rates almost always do, and it usually
occurs early in the new year, if not on January 1st
...sigh!

I would not expect many VEs would squabble about
receiving U.S. postage in lieu of Canadian stamps for
return postage for a QSL.  

It currently costs Cdn $0.89 to send a letter (less
than 30 grams) to the U.S.  

http://www.canadapost.ca/business/rates/2006/coming-e.asp?sblid=coming

If any U.S. hams would like to purchase Canadian
stamps to use as return postage from Canada you can
send me a self-addressed envelope and funds for the
number of stamps you would like to buy.  I'll get them
for you, use one of the stamps on your return envelope
and mail the rest to you.  My address on qrz.com is
current.

Offer applies to DX hams, but letter rates for
overseas mail are $1.49.

73,

Ken Alexander
VE3HLS

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Re: [Elecraft] Fw: Canadian Postage Rate Increases

[Ken Alexander]

It seems our rates almost always do, and it usually
occurs early in the new year, if not on January 1st
...sigh!

I would not expect many VEs would squabble about
receiving U.S. postage in lieu of Canadian stamps for
return postage for a QSL.  

It currently costs Cdn $0.89 to send a letter (less
than 30 grams) to the U.S.  

http://www.canadapost.ca/business/rates/2006/coming-e.asp?sblid=coming

If any U.S. hams would like to purchase Canadian
stamps to use as return postage from Canada you can
send me a self-addressed envelope and funds for the
number of stamps you would like to buy.  I'll get them
for you, use one of the stamps on your return envelope
and mail the rest to you.  My address on qrz.com is
current.

Offer applies to DX hams, but letter rates for
overseas mail are $1.49.

73,

Ken Alexander
VE3HLS


--- Stephen Brandt <[EMAIL PROTECTED]> wrote:

> 
> 
> 
> To Whom This May Concern,
> 
> It appears that Canadian postage rates will go
> up next year.  Don't be too surprised if U.S. rates
> also go up in the next year or so.  It would be nice
> if they would be nice if we had even values like
> $0.35, $0.40 etc.  Would be easier for the vending
> machines.
> 
> Many Canadians will take U.S. postage and use
> them for their own self addressed stamped envelopes
> that they send to us.  Just put the stamp loose in
> the envelope and don't stick it on the self
> addressed envelope that you send them.  Or at least
> this has worked for me.
> 
> 73,
> 
> Steve Brandt N7VS
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[Elecraft] N2CQ QRP Contest Calendar: Aug 11 - Sep 11, 2006

[Ken Newman]

~~~
N2CQ QRP CONTEST CALENDAR 
August 11 - Sept  11, 2006 
~~~

Summer FOX Hunt - QRP 20M CW
UTC: Every Fri  thru August 18, 0100z to 0229z 
EDT: Every Thur thru August 17, 9 PM  to 1029 PM

Info: http://www.qrpfoxhunt.org/
~~~
Worked All Europe DX Contest (CW) ... 100W category
Aug 12, z to Aug 13, 2359z
Rules: http://www.darc.de/referate/dx/xedcwr.htm
~~~
Maryland/DC QSO Party (SSB/CW) ... QRP Category
Aug 12, 1600z to Aug 13, 0400z
Aug 13, 1600z to Aug 13, 2359z
Rules: http://www.w3cwc.org
~~~
SARTG WW RTTY Contest ... Low Power Category
Aug 19, z to 0800z
Aug 19, 1600z to 2400z
Aug 20, 0800z to 1600z
Rules: http://www.sartg.com/contest/wwrules.htm
~~~
QRP ARCI Silent Key Memorial Contest (CW) *** QRP CONTEST! ***
Aug 19, 1500z to 1800z
Rules: http://www.qrparci.org
~~~
BUBBA Summer QRP Sprint *** QRP CONTEST! ***
Aug 19, 1600z to 2200z
Rules: http://www.azscqrpions.org
~~~
North American QSO Party (SSB) ... 100W Max.  (/QRP noted on entry)
Aug 19, 1800z to Aug 20, 0600z
Rules: http://www.ncjweb.com/naqprules.php
~~~
NJ QSO Party (CW/SSB)  
Aug 19, 2000z to Aug 20, 0700z

Aug 20, 1300z to Aug 21, 0200z
Rules: http://www.qsl.net/w2rj/
~~~
RUN FOR THE BACON (CW) *** QRP CONTEST ***
EDT: Aug 20, 9 PM to 11 PM
UTC: Aug 21, 0100z 0300z
Rules: http://fpqrp.com
~~~
Hawaii QSO Party (CW/SSB/Digital) ... QRP Category   
Aug 26, 0700z to Aug 27, 2200z

Rules: http://www.karc.us/hi_qso_party.html
~~~
Ohio QSO Party (CW/SSB) ... QRP Category
Aug 26, 1600z to Aug 27, 0400z
Rules: http://www.oqp.us/
~~~
SLOVENIA CONTEST CLUB RTTY Championship .. 100W Category
Aug 26, 1200z to Aug 27, 1159z
Rules: http://lea.hamradio.si/~scc/rtty/htmlrules.htm
~~~
Colorado QRP Club Summer VHF/UHF QSO Party (CW/SSB/FM)
Aug 27, 1600z to 2000z
Rules: http://www.cqc.org/contests/index.htm
~~~
Kentucky QSO Party (CW/SSB) 
Aug 27, 1600z to Aug 28, 0400z 
Rules: http://www.ky4ky.com/kyqsopartyrules.html

~~~
QRP BARBERSHOP QUARTET CONTEST (CW QRP)... QRP Contest!
Aug 30, 9 PM to 11 PM EDT  
Rules: http://www.io.com/~n5fc/barbershop_contest.htm

[5th wed]
~~~
Wake-Up! QRP Sprint (CW) *** QRP Contest ***
Sep 02, 0400z to 0600z
Rules: http://www.qrp.ru/sprint_e.htm
~~~
IARU Region 1 Fieldday (SSB)... QRP Category
Sep 02, 1300z to Sep 03, 1300z
Rules: http://www.sk3bg.se/contest/iarur1fd.htm
~~~
AGCW Straight Key Party (CW - 40 Meters) ... QRP Category
Sep 02, 1300z to 1600z
Rules: http://www.agcw.org/agcw-con/2006/Englisch/htp_e.htm
~~~
Michigan QRP Labor Day Sprint (CW) *** QRP CONTEST! ***
Sep 04, 2300z to Sep 05, 0300z
Rules: http://www.qsl.net/miqrpclub/contest.html
~~~
Adventure Radio Spartan Sprint (CW) *** QRP CONTEST! ***
Sep 05, 0100z to 0300z  (First Monday 9 PM EDT)
Rules: http://www.arsqrp.com/
~~~
FISTS G3ZQS Memorial Straight Key Contest ... QRP Category
Sep 08, 2300z to Sep 10, 2300z
Rules: http://www.fists.org/straightkey.html
~~~
Worked All Europe DX Contest (SSB)   100W Power Category
Sep 09, z to Sep 10, 2400z
Rules: http://www.darc.de/referate/dx/fedcw.htm
~~~
Swiss HTC QRP Sprint (CW) *** QRP Contest ***
Sep 09, 1300z to 1900z
Rules: http://www.htc.ch/de/htc_sprint_contest.htm
or: http://www.sk3bg.se/contest/htcqrpsp.htm
~~~
ARRL September VHF QSO Party (All)  Low Power Category
Sep 09, 1800z to Sep 11, 0300z
Rules: http://www.arrl.org/contests/calendar.html?year=2006
~~~
Second 

[Elecraft] Fw: Canadian Postage Rate Increases

[Stephen Brandt]

To Whom This May Concern,

It appears that Canadian postage rates will go up next year.  Don't be too 
surprised if U.S. rates also go up in the next year or so.  It would be nice if 
they would be nice if we had even values like $0.35, $0.40 etc.  Would be 
easier for the vending machines.

Many Canadians will take U.S. postage and use them for their own self 
addressed stamped envelopes that they send to us.  Just put the stamp loose in 
the envelope and don't stick it on the self addressed envelope that you send 
them.  Or at least this has worked for me.

73,

Steve Brandt N7VS
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[Elecraft] Using a KAT100 without a KIO2

[wayne burdick]

Bob Solosko, W1SRB, reminded us that some K2 owners might wish to use a 
KAT100 without needing to buy a KIO2. This is especially likely if you 
plan to buy a KPA100 later, since it has the equivalent of the KIO2 
built in.


Bob built his own simple K2 to KIO2 control cable and sent us the 
schematic. You can find it on our Builder Resources page. The link to 
his document is:


  http://www.elecraft.com/Apps/kio2_notes/KAT100_wo_KIO2.pdf

If you need clarification or have any issues you might check with Bob.

73,
Wayne
N6KR


---

http://www.elecraft.com

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Re: [Elecraft] Alaska - Cruise

[Todd J Gahagan]

I asked for permission to operate VHF from the Queen of the North one time 
during our Alaska travels.  I was not told just no but "H**L NO" from the 
captain.  Good Luck :>)  By the way, I did ask very politely.


Todd, WA7U


- Original Message - 
From: "Bob Nielsen" <[EMAIL PROTECTED]>

To: "Elecraft" 
Sent: Wednesday, August 09, 2006 12:58 PM
Subject: Re: [Elecraft] Alaska - Cruise




On Aug 9, 2006, at 11:23 AM, Craig Rairdin wrote:

You also need to have an International Amateur Radio Permit. You  get it 
from
the ARRL. Make sure you allow plenty of time to receive it. They  get 
snippy
if you ask for it in less than two or three weeks. It costs a few 
dollars to

cover postage. You have to send a picture, like for a passport.  It's all
spelled out at http://www.arrl.org/FandES/field/regulations/io/iarp- 
app.pdf


I found myself in Vancouver on Field Day weekend and received a  warm 
welcome

from the local hams when I showed up at midnight Saturday.  Unfortunately
there wasn't a key or paddle in sight, but I did work some 40M  phone. 
Nobody

asked for my IARP. :-)


An IARP is not required for operation by US amateurs in Canada--there  is 
a reciprocal operating agreement which allows operation without  any 
paperwork.  The IARP is good for LU, PY, YS, HP, OA, 9Y, CX and  YV, 
however.


When operating from a ship in international waters, it is necessary  to 
have a license or other operating permission (CEPT, IARP,  reciprocal 
license, etc.) from the country in which the ship is  registered, in 
addition to permission of the captain.


73 - Bob, N7XY


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RE: [Elecraft] Alaska - Cruise

[Craig Rairdin]

It doesn't surprise me that the ARRL guy didn't inform me of this. I told
him where I was going and we fought over how long it was going to take to
get the IARP done. We even talked about shipping it to the address in Canada
where I'd be visiting. The whole process was horribly disorganized and
mismanaged. 

Craig
NZ0R


An IARP is not required for operation by US amateurs in Canada--there  
is a reciprocal operating agreement which allows operation without  
any paperwork.  The IARP is good for LU, PY, YS, HP, OA, 9Y, CX and  
YV, however.

When operating from a ship in international waters, it is necessary  
to have a license or other operating permission (CEPT, IARP,  
reciprocal license, etc.) from the country in which the ship is  
registered, in addition to permission of the captain.

73 - Bob, N7XY


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Re: [Elecraft] Alaska - Cruise

[Bob Nielsen]

On Aug 9, 2006, at 11:23 AM, Craig Rairdin wrote:

You also need to have an International Amateur Radio Permit. You  
get it from
the ARRL. Make sure you allow plenty of time to receive it. They  
get snippy
if you ask for it in less than two or three weeks. It costs a few  
dollars to
cover postage. You have to send a picture, like for a passport.  
It's all
spelled out at http://www.arrl.org/FandES/field/regulations/io/iarp- 
app.pdf


I found myself in Vancouver on Field Day weekend and received a  
warm welcome
from the local hams when I showed up at midnight Saturday.  
Unfortunately
there wasn't a key or paddle in sight, but I did work some 40M  
phone. Nobody

asked for my IARP. :-)


An IARP is not required for operation by US amateurs in Canada--there  
is a reciprocal operating agreement which allows operation without  
any paperwork.  The IARP is good for LU, PY, YS, HP, OA, 9Y, CX and  
YV, however.


When operating from a ship in international waters, it is necessary  
to have a license or other operating permission (CEPT, IARP,  
reciprocal license, etc.) from the country in which the ship is  
registered, in addition to permission of the captain.


73 - Bob, N7XY


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Re: [Elecraft] Alaska cruise ... more

[Doug Faunt N6TQS +1-510-655-8604]

Keep in mind that this is an international list, and that isn't
necessarily the case.
The UK has different and explicit rules, for example.
Does Canada have an explicit rule?

And the FCC has NO rule, so, in their jurisdiction, you can do as you
wish.  

In fact, since the DXCC rules require the station to be completely
ashore, if DXCC is an issue, it's less confusing if you were to use
/MM anytime you're on a boat, even moored to a quay.

73, doug

   From: "Ken Kopp" <[EMAIL PROTECTED]>
   Date: Wed, 9 Aug 2006 18:15:05 -

   Signing "/MM" or "Maritime Mobile" ... or "Aeronautical
   Mobile" for that matter ... is only correct if one is beyond
   the 12 mile limit.  In the cases above "/M" or "Mobile" is
   the correct ID.
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RE: [Elecraft] Alaska - Cruise

[Craig Rairdin]

You also need to have an International Amateur Radio Permit. You get it from
the ARRL. Make sure you allow plenty of time to receive it. They get snippy
if you ask for it in less than two or three weeks. It costs a few dollars to
cover postage. You have to send a picture, like for a passport. It's all
spelled out at http://www.arrl.org/FandES/field/regulations/io/iarp-app.pdf

I found myself in Vancouver on Field Day weekend and received a warm welcome
from the local hams when I showed up at midnight Saturday. Unfortunately
there wasn't a key or paddle in sight, but I did work some 40M phone. Nobody
asked for my IARP. :-)

Craig
NZ0R

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, August 09, 2006 12:51 PM
To: Fred (FL); elecraft@mailman.qth.net
Subject: Re: [Elecraft] Alaska - Cruise


As it turns out, I am currently studying for my Extra. 
1) The US and Canada have an agreement that allows amateurs in each country
to operate in the other country using only their own amateur license. The
Operator must give his/her call sign appended with the letter/number
combination indicating location.(ARRL Extra class License Manual 8th edition
page 1-11)
2)Shipboard Operations require the approval of the Ship's master and be
separate and independent of the ship's radio apparatus (part 97.11)

Hope this helps - Sounds like a fun time is in the works!!
73s,
Pete
wd4lst
K1 #2194
> 
> From: "Fred (FL)" <[EMAIL PROTECTED]>
> Date: 2006/08/09 Wed PM 12:35:22 CDT
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Alaska - Cruise
> 
> We don't know what int'l rules have done in the
> past 20 - but one used to have to have applied for
> a "Canadian operating" license to do US hamming in
> Canadian regions.  Also one cannot transmit HF and
> RF on any cruise ship - without the cruise line's
> (& captain's) permission.
> 
> Would be interested in learning where this has all
> gotten over the past few years.
> 
> Thanks,
> 73's  Fred  N3CSY
> 
> __
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> 

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[Elecraft] Alaska cruise ... more

[Ken Kopp]

Additional, FWIW

Signing "/MM" or "Maritime Mobile" ... or "Aeronautical
Mobile" for that matter ... is only correct if one is beyond
the 12 mile limit.  In the cases above "/M" or "Mobile" is
the correct ID.

Ken Kopp - K0PP
[EMAIL PROTECTED]
or
[EMAIL PROTECTED]

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Re: [Elecraft] Alaska - Cruise

[wd4lst]

As it turns out, I am currently studying for my Extra. 
1) The US and Canada have an agreement that allows amateurs in each country to 
operate in the other country using only their own amateur license. The Operator 
must give his/her call sign appended with the letter/number combination 
indicating location.(ARRL Extra class License Manual 8th edition page 1-11)
2)Shipboard Operations require the approval of the Ship's master and be 
separate and independent of the ship's radio apparatus (part 97.11)

Hope this helps - Sounds like a fun time is in the works!!
73s,
Pete
wd4lst
K1 #2194
> 
> From: "Fred (FL)" <[EMAIL PROTECTED]>
> Date: 2006/08/09 Wed PM 12:35:22 CDT
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Alaska - Cruise
> 
> We don't know what int'l rules have done in the
> past 20 - but one used to have to have applied for
> a "Canadian operating" license to do US hamming in
> Canadian regions.  Also one cannot transmit HF and
> RF on any cruise ship - without the cruise line's
> (& captain's) permission.
> 
> Would be interested in learning where this has all
> gotten over the past few years.
> 
> Thanks,
> 73's  Fred  N3CSY
> 
> __
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> 

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[Elecraft] Alaska - Cruise

[Fred (FL)]

We don't know what int'l rules have done in the
past 20 - but one used to have to have applied for
a "Canadian operating" license to do US hamming in
Canadian regions.  Also one cannot transmit HF and
RF on any cruise ship - without the cruise line's
(& captain's) permission.

Would be interested in learning where this has all
gotten over the past few years.

Thanks,
73's  Fred  N3CSY

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[Elecraft] KH6IJ

[Vic K2VCO]

The Contester's Rate Sheet this week included a link to an article about 
the great KH6IJ, Katashi Nose.  It's worth reading:




I worked him many times from the East Coast.  I always had the feeling 
that he recognized my call and was happy to hear me again, even when it 
was a 40 wpm contest exchange.

--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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Re: [Elecraft] I.F. shift thoughts

[jmeade]

The KX1 has a variable selectivity control. Narrowing up the bandpass is a
nice thing to be able to do continuously. Would that be easier to implement
than the IF Shift function?  I would like that feature on the K2.
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RE: [Elecraft] IF Shift vs. Passband Tuning?

[jmeade]

The first time I saw the term "passband tuning" was on the Collins 75A4
receiver.  It shifted the BFO in one direction and the main PTO in the other
direction. The two were linked together with a mechanical strap. The idea
was that the pitch of the received signal would not change nor would the
actual selectivity bandwidth.  It was useful in both CW and SSB.  The
background pitch changed, but not the tone of the signal being received.

Then the Drake receivers came along, and did the same thing with the
variable L/C filters in the 50kHz IF.  A different approach, but the effect
was the same. The passband could be adjusted from one side of zero beat to
the other.

I thought that PBT a great feature.  Then I got a Kenwood TS-930S which had
"VBT" - "Variable Bandwidth Tuning".  This feature allowed for the
adjustment of the difference between two edges of two filters - like opening
and closing a sliding door - the "gap" could be adjusted wider or narrower,
thus changing the selectivity.  The center frequency does not change. You
get continuously-variable selectivity this way and can respond to any band
condition easily. Now I am used to that feature and miss it on other rigs

73,  John W2XS.
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RE: [Elecraft] KIO2 is it to expensive ? / Was KIO2 For S/N 0539

[Solosko, Robert B (Bob)]

Martin,

I agree that the KIO2 is a very expensive option if you want to use a 
KAT100 but don't need the serial computer interface (or if you plan to add a 
KPA100, as I will eventually do). However, for about $5 in parts, I put 
together a KIO2 alternative to control my KAT100 - it has the KAT100 control 
signals but not the RS-232 interface. All of the information needed to do this 
can be extracted from the KIO2 schematic.

Bob W1SRB

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Martin DD4UKP
Sent: Wednesday, August 09, 2006 4:40 AM
To: [EMAIL PROTECTED]
Cc: Elecraft Reflector
Subject: [Elecraft] KIO2 is it to expensive ? / Was KIO2 For S/N 0539


Hello Mark,

Yes you are right the KIO2 is another Elecraft quality kit !

Please don't get me wrong for what I'm gonna write : I love my K2 !

BUT I have the feeling it is also the most overpriced extension that you
can purchase for your K2. I have a full loaded K2 (KDSP2, KAT2, KNB2,
KSB2, K160M) and KPA100+KAT100 in a EC2 enclosure. At $89 I really have
the feeling that it is twice to expensive considering what you get. Also
you MUST have it four a couple of option like the KAT100 or the
transverter. As it is the only "proper" way to get Auxbus signals out of
the K2 I really think it should have been included into the basic K2. 
I'm not aware of what the R&D cost for this option where but I feel that 
the price should be around $35 to $45 ...

Maybe we will have the luck to get it on the K3 :)

Martin DD4UKP / F4UKP


> Fellow Elecrafters,
> 
>  
> 
> I just completed building and installing the KIO2 in K2 S/N 0539.  WOW!
> Nice accessory kit.  It would have been a single evening kit if it were not
> for other obligations.  Two nights to get it assembled, tested, and
> installed?  Not bad.  I was very pleased to see the display on Ham Radio
> Deluxe change as I rotated the VFO dial and changed bands.  I know this is
> going to be an excellent accessory for my K2.  
> 
>  
> 
> This included the MPU v2.04 upgrade.
> 
>  
> 
> It looks like Elecraft makes another quality kit.  
> 
>  
> 
> THANKS ELECRAFT!
> 
>  
> 
> Mark Saunders, KJ7BS


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[Elecraft] RE: IF Shift thoughts

[Dave White]

Wayne, N6KR wrote:


However, this is not a continuous control. We could add a menu entry,
assignable to PF1 or PF2, that would let you use the VFO knob to get
continuous I.F. shift.


I like this idea.  Perhaps the IF shift function could be assigned via the 
PF1 or 2 buttons to another control besides the VFO - the keyer speed comes 
to mind.


Dave White
[EMAIL PROTECTED] 



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Re: [Elecraft] A Good Day With The KX1

[Dan KB6NU]

I had a great long weekend with my KX-1.

I took it up to Elk Lake, MI, where my family rents a set of cabins  
every summer. I pulled a wire up into a tree, laid out three radials,  
and went to town. I worked about 20 stations in the North America QSO  
Party and had a couple of nice ragchews over the 3-1/2 days I was up  
there.


My operating position couldn't have been my nicer. I was on the  
screened-in porch of one of the cabins, looking out over the lake,  
with a nice, cool breeze flowing as I was operating. You just can't  
beat summers in northern Michigan. :)


73!

Dan KB6NU
--
CW Geek and MI Affiliated Club Coordinator
Read my ham radio blog at www.kb6nu.com
LET'S GET MORE KIDS INTO HAM RADIO!





On Aug 5, 2006, at 9:40 PM, Paul Gates, KD3JF wrote:


The YL and I had a good day at the National Zoo
in Wash. DC  Set up the KX1 in the Parking
Lot with a 40 meter Ham Stick and made contacts
with the KX1. I was excited about that because I
have made very few contacts in the past with the
KX1.

I have not hooked any cables up to the car
battery yet but a few months ago John Harper had
told me about the 11.1 V. LiPoly battery and used
it today. The KX1 was putting out 3.5-4 watts so
that made it pretty easy to have some contacts.

We parked by an Island of grass under a shady
tree and set up our 2 folding chairs with a shelf
on the right side of the chair so that made
operating a breeze. The Antenna was in the clear
and set up in the center of the rear deck of our
Impala.


Paul, KD3JF


Paul, KD3JF
Glen Burnie, MD
FM19qd (Map Grid Square)


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Re: [Elecraft] IF Shift, PB Tuning, and why neither completely eliminates QRM

[Ken Alexander]

--- wayne burdick <[EMAIL PROTECTED]> wrote:

> These terms are often used interchangeably. It's
> like the terms 
> "biannual" and "semi-annual." One is supposed to
> mean "every six 
> months" and the other "every other year," but some
> dictionaries list 
> them as synonyms, because you can make a case for
> either word having 
> either definition.

I'd love to go for a ride in a biplane, but you'll
never catch me going near a semi-plane!

"Is that the same as the difference between flammable
and inflammable?  Boy, I found out about THAT one the
hard way!" -- Woody from Cheers

73,

Ken Alexander
VE3HLS
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Re: [Elecraft] Why no IF shift ?

[Sam Morgan]

[EMAIL PROTECTED] wrote:

User serviceability is usually minimal - beyond a certain 
very basic point, you either have to be a skilled technician with lots of test 
gear, or you send the rig to one. 

That's not to say either approach is "right" or "wrong", just that they 
accept very different tradeoffs. 


You said a mouthful there Jim
--
GB & 73's
KA5OAI
Sam Morgan
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[Elecraft] Re: Why no IF shift

[David N.]

With the ability to shift sidebands on cw
I feel that it is not necessary you can shift the
interference in this manner
David KR4OW
K24320

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Re: [Elecraft] Why no IF shift ?

[N2EY]

In a message dated 8/8/06 8:41:15 PM Eastern Daylight Time, 
[EMAIL PROTECTED] writes:


> but the reality of all of it is compromise.
> For any given price target, some tradeoffs must be made.  If I can interpret
> the K2 design goals loosely, the dynamic range was considered uppermost, and
> good sensitivity and IP3 performance running a close second.  


(snip of excellent discussion)

I agree with all that, but would add a bit more:

*All* rig designs are compromises/tradeoffs - just different ones. 

Besides the above criteria, Elecraft designs focus on low power requirement, 
low complexity, minimal use of custom parts, user constructability and 
serviceability, and small size/weight without going all surface mount. 

Many other designs, including some considered "portable", accept massive 
increases in complexity, power requirement, and use of special parts to achieve 
their design goals. User serviceability is usually minimal - beyond a certain 
very basic point, you either have to be a skilled technician with lots of test 
gear, or you send the rig to one. 

That's not to say either approach is "right" or "wrong", just that they 
accept very different tradeoffs. 

73 de Jim, N2EY



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Re: [Elecraft] Why no IF shift ?

[N2EY]

In a message dated 8/8/06 9:53:06 PM Eastern Daylight Time, 
[EMAIL PROTECTED] writes:


> Have just been able to get to read your e-mail. Will answer in full later 
> today - 02:50 am at the moment -  probably direct to avoid using Discussion 
> List bandwidth.
> 

Greetings,

I strongly suggest replying to the Elecraft reflector too, because it's 
important to the Elecraft product line. I'm pretty sure the moderators would 
like 
to see all sides of the issue.

Who knows - it might influence the design of a future Elecraft rig.

73 de Jim, N2EY

 
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[Elecraft] KIO2 is it to expensive ? / Was KIO2 For S/N 0539

[Martin DD4UKP]

Hello Mark,

Yes you are right the KIO2 is another Elecraft quality kit !

Please don't get me wrong for what I'm gonna write : I love my K2 !

BUT I have the feeling it is also the most overpriced extension that you
can purchase for your K2. I have a full loaded K2 (KDSP2, KAT2, KNB2,
KSB2, K160M) and KPA100+KAT100 in a EC2 enclosure. At $89 I really have
the feeling that it is twice to expensive considering what you get. Also
you MUST have it four a couple of option like the KAT100 or the
transverter. As it is the only "proper" way to get Auxbus signals out of
the K2 I really think it should have been included into the basic K2. 
I'm not aware of what the R&D cost for this option where but I feel that 
the price should be around $35 to $45 ...


Maybe we will have the luck to get it on the K3 :)

Martin DD4UKP / F4UKP



Fellow Elecrafters,

 


I just completed building and installing the KIO2 in K2 S/N 0539.  WOW!
Nice accessory kit.  It would have been a single evening kit if it were not
for other obligations.  Two nights to get it assembled, tested, and
installed?  Not bad.  I was very pleased to see the display on Ham Radio
Deluxe change as I rotated the VFO dial and changed bands.  I know this is
going to be an excellent accessory for my K2.  

 


This included the MPU v2.04 upgrade.

 

It looks like Elecraft makes another quality kit.  

 


THANKS ELECRAFT!

 


Mark Saunders, KJ7BS



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Re: [Elecraft] I.F. shift thoughts

[Nick Waterman]

Wayne Burdick wrote:
>> I think I need an understudy  :)
Leigh L Klotz, Jr. wrote:
> Now you've done it...

Everyone form an orderly queue   :-)

-- 
"Nosey" Nick Waterman, G7RZQ, K2 #5209.
use Std::Disclaimer;[EMAIL PROTECTED]
Please sponsor me! http://www.justgiving.com/noseynick
SCSI: System Can't See It
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