[Elecraft] 630 meter band open for use

[James F. Boehner MD via Elecraft]

Well,

This is getting off topic for this reflector, but information is that there
have been experimental (amateur radio) stations on the (new) bands for some
time, with higher power limits than have currently been authorized for
general amateur radio use going forward.  There have been no interference
reports.

The ARRL was very conservative suggesting a 1 Kilometer standard for
separation between an amateur radio station and transmission lines carrying
PLC data in regards to non-interference.  The truth is, shorter distances
would still likely not produce interference.  The FCC did adopt the 1
kilometer distance as a standard, however.

'73 de JIM N2ZZ


Aha! So PLC and amateur radio DO interfere with each other after all.


In the end, amateur radio operators have been vindicated on this point.

Al  W6LX



.
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Re: [Elecraft] 630 meter band open for use

[Al Lorona]

>From the ARRL announcement today:


"This notification process will ensure that amateur stations seeking
to operate are located beyond a minimum separation distance from PLC
transmission lines, which will help ensure the compatibility and
coexistence of amateur and PLC operations, and promote shared use of
the bands."

Aha! So PLC and amateur radio DO interfere with each other after all.


In the end, amateur radio operators have been vindicated on this point.

Al  W6LX
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Re: [Elecraft] 630 meter band open for use

[Ron D'Eau Claire]

My reaction to "phone" exactly, since a typical "AM Phone" signal will
occupy 6 of the 7 kHz! 

Back in the days when shipping used these frequencies, only Morse was
allowed for routine communications although modulation was applied to
produce MCW for emergencies. That was a carryover from the days when some
ships still used crystal detectors for emergency comms. Un-modulated CW
produces no tone and at best soft clicks in a crystal receiver. But in those
situations everyone had to QRT around the frequency of the emergency signal
(usually 500 kHz) so sidebands were of no concern. 

It is true that a little bit CAN go a long way. Back in the 1990s when I was
working on ships with MF CW gear I had the opportunity to share coffee with
a radio operator and his captain who had spent hours circling in the Pacific
looking for the source of an SOS on 500 kHz. It turned out to be a
hand-cranked lifeboat transmitter in the Med.! They were chasing a phantom
signal at the antinode half way around the world. The emergency transmitter
ran a couple of watts at best into a very limited antenna hung by a kite or
balloon over the raft.

73, Ron AC7AC  

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Edward R Cole
Sent: Friday, September 15, 2017 7:17 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] 630 meter band open for use

Bill,

I could not believe it when you stated all modes allowed, so I checked the
CFR47, 90.307
https://ecfr.io/Title-47/se47.5.97_1305

  630m allows RTTY, data (see 97.307 (3)

  630m phone and image (see 97.307 (1)(2)

But seriously no 3-KHz phone should be used since one QSO would occupy
nearly 50% of the 7-KHz wide band.  I'm astonished that the FCC permits
phone on 630m.
CW and digital is most efficient use of spectrum and weak signals.

97.313
https://www.ecfr.gov/cgi-bin/text-idx?SID=2689706e634fb3e73b9f4ef814c352e9
c=true=se47.5.97_1313=div8

(l) No station may transmit in the 472-479 kHz (630 m) band with a
transmitter power exceeding 500 W PEP or a radiated power exceeding 5 W
EIRP, except that in Alaska, stations located within 800 kilometers of the
Russian Federation may not transmit with a radiated power exceeding 1 W
EIRP.

So this observes that 630m transmitting antenna are expected to be very
inefficient 500w resulting in < 5w erp.  My inverted-L calculates to be 3w
erp with 100w.

So Mel +20 dBm (100mw) will result in about 3mw erp using my antenna.  Of
course you may put up a full size vertical 521 foot high (with 521 foot
ground plane) or a 1142 foot dipole only 1000-foot high.  Most of us will
use antenna under 10% full size with resulting dismal efficiency.

But 5w erp can go a long distance on 630m; my signal was detected in
Buffalo, NY (about 4,000 miles).

73, Ed - KL7UW, WD2XSH/45 (ARRL Experimental License)
---

To: Bill Frantz ,
Subject: Re: [Elecraft] 630 meter band open for use


Interesting in reading the FCC notice, ALL modes are allowed!!! ?So some
enterprising company should make a transverter for us??? ?It is only
allowing 5W EIRP, a signal generator and do +20 dBm, Hummm.
Mel, K6KBE

   From: Bill Frantz 
  To: elecraft@mailman.qth.net
  Sent: Friday, September 15, 2017 4:02 PM
  Subject: Re: [Elecraft] 630 meter band open for use

Just submitted my data for both bands. I got the lat/long from QRZ.com and
checked it against the "Maidenhead" app on my cell phone.

73 Bill AE6JV


73, Ed - KL7UW
   http://www.kl7uw.com
Dubus-NA Business mail:
   dubus...@gmail.com 

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Re: [Elecraft] K-3 with 4O3A antenna genius

[Bob Wilson, N6TV]

Hi Art,

If you're using a separate band decoder like K9YC, no problem, just use the
12V outputs of the band decoder to drive the Antenna Genius.

But I assume you want to use the band decoder built in to the Antenna
Genius, not a separate box, which means you're setting the dip switches on
the Antenna Genius to "BCD" mode rather than "Pin to Port" mode.

The K3 band data lines on the ACC port can indeed be used to drive the
corresponding Band Data lines on an Antenna Genius set to BCD mode.  But
there are some issues:

   1. Even though they both use the same DE-15 D-SUB connector, Elecraft
   uses pins 13, 3, 9, and 14, for band data (in that order, "Band 0" to "Band
   3"), but the Antenna Genius uses Pins 11, 12, 13, and 14 (for "Band A" to
   "Band D").  This means you'll have to solder a custom cable, wiring Band 0
   to Band A, Band 1 to Band B, etc., plus ground, instead of a stock DE-15
   M/M cable.

   You could also use a pair of Y-BOXs and two stereo patch cables with the
   4 RCA connectors wired to the correct Band Data pins at each end, if you
   don't feel like trying to solder tiny wires to those miserable high-density
   DE-15 connectors, but that's much more expensive.  Time or money, pick your
   poison.

   2. The K3 uses all band data lines low to represent 60m.  The Antenna
   Genius does not recognize 60m at all (perhaps something that could be
   changed in AG firmware).  All the other HF + 6m band decoding works the
   same as on the K3.

   3. Biggest problem: Once you connect the Antenna Genius, no other device
   that reads the band data lines, such as a KPA500 or KPA1500, will follow
   the K3 band changes any more.  That's because the Antenna Genius draws the
   voltage of the band data lines down much too low to be recognized by any
   other band-decoding devices wired in parallel (band data line voltage drops
   from +5V to about +3V as soon as you connect the AG).

To solve issue 3 for Y-BOX customer WD4ASW, I built a custom prototype
"Band Data Isolator" circuit that used the 12V output of the K3 to "boost"
the BCD lines fed to the Antenna Genius, while isolating the AG's current
draw from any other devices wired in parallel to the band data lines of K3
ACC port.  I'm thinking about offering a new Y-BOX model that will have
this isolator and appropriate pin wiring built in, just for Antenna Genius
customers, so I can add you to the interest list, if you're interested.

But I don't know how many other K3 owners want to use an Antenna Genius and
Elecraft amplifier or other band decoder at the same time.  Others should
send me a private message, off list, if they want to be added to the
"Y-BOX-AG" interest list.

Wiring other band decoders like the Top Ten Devices Band Aide or the
Elecraft KRC2 in parallel with a KPA500 causes no problems.  The Antenna
Genius is the only device I know about that needs special handling when
wiring it in parallel.

73,
Bob, N6TV
https://bit.ly/Y-BOX

On Fri, Sep 15, 2017 at 8:25 AM, Art via Elecraft 
wrote:

> Anyone have experience using this combination? In particular, I'm trying
> to figure if the "Genius" can be controlled directly from the K-3 ACC using
> it's band data info.
>
>
> Any help would be appreciated.
>
>
> Thanks and 73,
>
>
> Art KZ5D
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[Elecraft] 8.215 Trap

[Leroy Buller]

Elecraft just repaired and updated my early model K3.  One of the things
they did was bypass the 8.215 trap.  Tried to look at the schematic and
Google the information, but to no avail.  I know there is an IF at that
frequency, but do not understand why they would bypass the trap.

Could some one explain this to me and satisfy my curiosity?

Lee K0WA
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Re: [Elecraft] 630 meter band open for use

[Edward R Cole]

Bill,

I could not believe it when you stated all modes allowed, so I 
checked the CFR47, 90.307

https://ecfr.io/Title-47/se47.5.97_1305

 630m allows RTTY, data (see 97.307 (3)

 630m phone and image (see 97.307 (1)(2)

But seriously no 3-KHz phone should be used since one QSO would 
occupy nearly 50% of the 7-KHz wide band.  I'm astonished that the 
FCC permits phone on 630m.

CW and digital is most efficient use of spectrum and weak signals.

97.313
https://www.ecfr.gov/cgi-bin/text-idx?SID=2689706e634fb3e73b9f4ef814c352e9=true=se47.5.97_1313=div8

(l) No station may transmit in the 472-479 kHz (630 m) band with a 
transmitter power exceeding 500 W PEP or a radiated power exceeding 5 
W EIRP, except that in Alaska, stations located within 800 kilometers 
of the Russian Federation may not transmit with a radiated power 
exceeding 1 W EIRP.


So this observes that 630m transmitting antenna are expected to be 
very inefficient 500w resulting in < 5w erp.  My inverted-L 
calculates to be 3w erp with 100w.


So Mel +20 dBm (100mw) will result in about 3mw erp using my 
antenna.  Of course you may put up a full size vertical 521 foot high 
(with 521 foot ground plane) or a 1142 foot dipole only 1000-foot 
high.  Most of us will use antenna under 10% full size with resulting 
dismal efficiency.


But 5w erp can go a long distance on 630m; my signal was detected in 
Buffalo, NY (about 4,000 miles).


73, Ed - KL7UW, WD2XSH/45 (ARRL Experimental License)
---

To: Bill Frantz ,
Subject: Re: [Elecraft] 630 meter band open for use


Interesting in reading the FCC notice, ALL modes are allowed!!! ?So 
some enterprising company should make a transverter for us??? ?It 
is only allowing 5W EIRP, a signal generator and do +20 dBm, Hummm.

Mel, K6KBE

  From: Bill Frantz 
 To: elecraft@mailman.qth.net
 Sent: Friday, September 15, 2017 4:02 PM
 Subject: Re: [Elecraft] 630 meter band open for use

Just submitted my data for both bands. I got the lat/long from
QRZ.com and checked it against the "Maidenhead" app on my cell phone.

73 Bill AE6JV


73, Ed - KL7UW
  http://www.kl7uw.com
Dubus-NA Business mail:
  dubus...@gmail.com 


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Re: [Elecraft] T1 as remote tuner for KX2/KX3?

[Wayne Burdick]

Steve,

This should work. A couple of notes:

1. Yes, you could use one of the general-purpose I/O signals from the KXIO2 
module to activate a T1 ATU. The associated menu entry could be assigned to one 
of the four programmable function buttons. There’s no way to do full T1 control 
from the KX2, however, as that requires generation of a serial data stream. 

2. If you were to use good quality twin lead or ladder line, you could obtain 
equally good results just using the KX2’s internal ATU option (KXAT2). This is 
exactly how I operate at my own station. I use an Elecraft BL2 balun between 
the radio and the feedline. (Coax from the radio to the BL2 should be very 
short.) In my case the feedline is connected directly to an off-center-fed 
dipole about 90’ long. I can match this antenna on 80-6 meters with the ATUs in 
any of our transceivers.

73,
Wayne
N6KR


> On Sep 15, 2017, at 10:57 AM, Steve Sergeant  wrote:
> 
> I am developing plans a hut-to-hut skit tour in Canada for next winter.
> On this trip, I will want to operate my KX2 inside of metal-roofed
> A-frame huts with a 60' feedline (RG-174, RG-58, or 300Ω twinlead?) to
> some kind of wire antenna outside. I plan to operate SSB on 40 & 20
> meters at a minimum, and 15 & 10m if possible; likely in adverse weather
> conditions.
> 
> I read the FAQ for the T1 on using it as a remote tuner, which says:
> 
>> The T1 is intended for use near the operating position. But with a little 
>> effort it could be remoted, and its extremely small size would be beneficial 
>> for this purpose. First, the tuner must be placed in a weatherproof 
>> container if used outdoors. Second, controlling the tuner remotely requires 
>> a shielded control cable back to the operating position; this cable must 
>> supply, at minimum, a simple switch closure to wake up the tuner. It’s also 
>> possible to create your own band-data interface from the rig to the ATU, as 
>> explained in the T1 Owner’s Manual. Finally, you’ll need an SWR bridge at 
>> the operating position since you won’t be able to see the LEDs on the T1.
> 
> I can see that the KX2 manual and the T1 manual give a lot of
> information about control signals and such. But before I take the time
> to try to engineer something or hack something, I'll ask the obvious
> question:
> 
> Has anybody out there done this?
> 
> Follow-up questions to anybody who has:
> 
> Can you describe your set-up?
> 
> Have any of you found a way to use the KXIO2 and either the PFn or some
> other feature to control the T1 from the KX2 through a separate
> 3-conductor cable?
> 
> Thanks and 73s. DE KC6ZKT
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[Elecraft] 630 MHz transmit and receive using the K3S or a modified K3

[Wayne Burdick]

Here’s some info to get you started on 630 meters with the K3S or K3. For 
receive purposes, either transceiver is fully self-contained. For transmit, 
you’ll need an external amp of some kind.

RECEIVE

The K3S, or a modified K3, will receive on this band via the XVTR IN jack (or 
RX ANT IN). You’ll need:

  - A KXV3 transverter interface module (standard with the K3S but optional for 
the K3)

  - A KBPF3A filter module, or a KBPF3 with a small mod (see KBPF3MDKT). The 
KBPF3A mod kit also comes with a capacitor to be installed on the K3’s RF board 
to suppress LF noise.

RX performance is quite good on 630 meters. 

Note: The XVTR IN and RX ANT IN jacks work on 630 meters (472 kHz) because both 
are post-TR switch. The TR switch has high-pass filtering that rolls off 
starting around 1 MHz, so you can’t use ANT 1 or ANT 2.

TRANSMIT

You can get a transmit signal out on 630 meters using the XVTR OUT jack (same 
requirements as above). Our initial tests shows about 0.5 milliwatts. In this 
case you’d use XVTR IN for receive, not RX ANT IN. 

You’ll then need an external amplifier. It could be keyed using the rig’s KEY 
OUT jack. This signal could also be used to control a T/R switch if you needed 
to use the same antenna for both transmit and receive. If you use two different 
antennas, you’ll still have to cut the RX antenna off during TX, most likely.

Firmware configuration:

To use XVTR IN and OUT on this band, set up the radio for 160 meters, then set 
the CONFIG:KXV3 menu entry to TEST. This is necessary because 160 meter isn’t 
available as a transverter IF selection (yet).

73,
Wayne
N6KR


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Re: [Elecraft] 630 meter band open for use

[Clay Autery]

Not broken  just a line break that breaks the "linkification".  

Copy/paste of the entire link gets the document open.

App/notice submitted...  Thanks.  Can't imagine that I'll be up on those
bands anytime soon, but it will be nice to know if I CAN go up from my QTH.

73,

__
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MONTAC Enterprises
(318) 518-1389

On 9/15/2017 1:47 PM, James F. Boehner MD via Elecraft wrote:
> Broken link.  Try this one:
>
>  93A1.pdf>
>
>
> '73 de JIM N2ZZ
> Elecraft_K3 Listowner
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Merv Schweigert via
> Elecraft
> Sent: Friday, September 15, 2017 1:41 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] 630 meter band open for use
>
> Since we finally have the 630 meter band open for amateur use, (after you
> file intent of operation with the UTC and wait 30 days),
>
> is there any plan to put this band on the K3/K3S band plan?
> Would sure be nice to be able to get to 630 with out going through the
> settings to enable/disable etc.
> Or publish a macro that could be used with PF1 or PF2 to engage the band
> quickly.
>
> 73 Merv K9FD/KH6
>
>
>
>
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>
>
> ..
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>
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Re: [Elecraft] 630 meter band open for use

[Don Wilhelm]

Yes, +20 dBm would do it if the antenna and transmission line efficiency 
were a perfect 100%.  A no-loss transmission line and a full size dipole 
or vertical.


With the small antennas (with respect for wavelength) that are typical 
for that band, very low antenna and transmission line efficiency is most 
likely quite low.


EIRP is stated to account for those losses, and more power will be required.

73,
Don W3FPR

On 9/15/2017 7:23 PM, Mel Farrer via Elecraft wrote:

Interesting in reading the FCC notice, ALL modes are allowed!!!  So some 
enterprising company should make a transverter for us???  It is only 
allowing 5W EIRP, a signal generator and do +20 dBm, Hummm.

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[Elecraft] 630 meter band open for use

[John AE5X]

I recently built a 630m transverter that some here may be interested in knowing 
about. It went together easily, has a small parts count and works quite well 
(into a dummy load for now):

https://ae5x.blogspot.com/2017/06/630m-kit-completed-tested.html

John AE5X
http://ae5x.blogspot.com/
 
 


Mind & Body Guide: 3 Effective Ways To Lose Belly Fat
LCR Health
http://thirdpartyoffers.juno.com/TGL3131/59bc639fd1bc7639f3116st01vuc
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[Elecraft] 630 meter band open for use

[John AE5X]

Lat/long can easily be found here:

http://www.latlong.net/

John AE5X
http://ae5x.blogspot.com/
 
 


We Say GoodBye To Sally Fields
iflperfecttouch.com
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Re: [Elecraft] 630 meter band open for use

[Mel Farrer via Elecraft]

Interesting in reading the FCC notice, ALL modes are allowed!!!  So some 
enterprising company should make a transverter for us???  It is only 
allowing 5W EIRP, a signal generator and do +20 dBm, Hummm.
Mel, K6KBE

  From: Bill Frantz 
 To: elecraft@mailman.qth.net 
 Sent: Friday, September 15, 2017 4:02 PM
 Subject: Re: [Elecraft] 630 meter band open for use
   
Just submitted my data for both bands. I got the lat/long from 
QRZ.com and checked it against the "Maidenhead" app on my cell phone.

73 Bill AE6JV

On 9/15/17 at 11:47 AM, elecraft@mailman.qth.net (James F. 
Boehner MD via Elecraft) wrote:

>Broken link.  Try this one:
>
>93A1.pdf>
>
>
>'73 de JIM N2ZZ
-
Bill Frantz        | The first thing you need when  | Periwinkle
(408)356-8506      | using a perimeter defense is a | 16345 
Englewood Ave
www.pwpconsult.com | perimeter.                    | Los Gatos, 
CA 95032

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Re: [Elecraft] 630 meter band open for use

[Bill Frantz]

Just submitted my data for both bands. I got the lat/long from 
QRZ.com and checked it against the "Maidenhead" app on my cell phone.


73 Bill AE6JV

On 9/15/17 at 11:47 AM, elecraft@mailman.qth.net (James F. 
Boehner MD via Elecraft) wrote:



Broken link.  Try this one:




'73 de JIM N2ZZ

-
Bill Frantz| The first thing you need when  | Periwinkle
(408)356-8506  | using a perimeter defense is a | 16345 
Englewood Ave
www.pwpconsult.com | perimeter. | Los Gatos, 
CA 95032


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[Elecraft] 630 meter band open for use

[James F. Boehner MD via Elecraft]

Broken link.  Try this one:




'73 de JIM N2ZZ
Elecraft_K3 Listowner


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Merv Schweigert via
Elecraft
Sent: Friday, September 15, 2017 1:41 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] 630 meter band open for use

Since we finally have the 630 meter band open for amateur use, (after you
file intent of operation with the UTC and wait 30 days),

is there any plan to put this band on the K3/K3S band plan?
Would sure be nice to be able to get to 630 with out going through the
settings to enable/disable etc.
Or publish a macro that could be used with PF1 or PF2 to engage the band
quickly.

73 Merv K9FD/KH6




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[Elecraft] 630 meter band open for use

[James F. Boehner MD via Elecraft]

Since the availability of the 630 meter band was mentioned,  I wanted to
pass along the link for amateurs to inform the UTC of intent to operate on
the new  2200 meter and 630 meter bands.

Recommendation is that EVERYONE submits this form ASAP, even if you don't
immediately intend to operate on the new frequency bands:

http://transition.fcc.gov/Daily_Releases/Daily_Business/2017/db0915/DA-17-89
3A1.pdf  has an imbedded link to the UTC's online form.  I just did mine and
got a confirmation that my submission was accepted.


'73 de JIM N2ZZ
Elecraft_K3 Listowner


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Merv Schweigert via
Elecraft
Sent: Friday, September 15, 2017 1:41 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] 630 meter band open for use

Since we finally have the 630 meter band open for amateur use, (after you
file intent of operation with the UTC and wait 30 days),

is there any plan to put this band on the K3/K3S band plan?
Would sure be nice to be able to get to 630 with out going through the
settings to enable/disable etc.
Or publish a macro that could be used with PF1 or PF2 to engage the band
quickly.

73 Merv K9FD/KH6




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[Elecraft] T1 as remote tuner for KX2/KX3?

[Steve Sergeant]

I am developing plans a hut-to-hut skit tour in Canada for next winter.
On this trip, I will want to operate my KX2 inside of metal-roofed
A-frame huts with a 60' feedline (RG-174, RG-58, or 300Ω twinlead?) to
some kind of wire antenna outside. I plan to operate SSB on 40 & 20
meters at a minimum, and 15 & 10m if possible; likely in adverse weather
conditions.

I read the FAQ for the T1 on using it as a remote tuner, which says:

> The T1 is intended for use near the operating position. But with a little 
> effort it could be remoted, and its extremely small size would be beneficial 
> for this purpose. First, the tuner must be placed in a weatherproof container 
> if used outdoors. Second, controlling the tuner remotely requires a shielded 
> control cable back to the operating position; this cable must supply, at 
> minimum, a simple switch closure to wake up the tuner. It’s also possible to 
> create your own band-data interface from the rig to the ATU, as explained in 
> the T1 Owner’s Manual. Finally, you’ll need an SWR bridge at the operating 
> position since you won’t be able to see the LEDs on the T1.

I can see that the KX2 manual and the T1 manual give a lot of
information about control signals and such. But before I take the time
to try to engineer something or hack something, I'll ask the obvious
question:

Has anybody out there done this?

Follow-up questions to anybody who has:

Can you describe your set-up?

Have any of you found a way to use the KXIO2 and either the PFn or some
other feature to control the T1 from the KX2 through a separate
3-conductor cable?

Thanks and 73s. DE KC6ZKT
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Re: [Elecraft] 630 meter band open for use

[donovanf]

For those that missed the announcement, the PLC database notification 
web site is accepting registrations. Registration takes just a minute, 
you need to know your latitude and longitude in deg. min. sec. before 
you register. 


https://utc.org/plc-database-amateur-notification-process 


Is there any possibility that Elecraft will introduce a 100 watt amplifier 
for 630 meters? 


73 
Frank 
W3LPL 

- Original Message -

From: "Merv Schweigert via Elecraft"  
To: elecraft@mailman.qth.net 
Sent: Friday, September 15, 2017 5:41:08 PM 
Subject: [Elecraft] 630 meter band open for use 

Since we finally have the 630 meter band open for amateur use, 
(after you file intent of operation with the UTC and wait 30 days), 

is there any plan to put this band on the K3/K3S band plan? 
Would sure be nice to be able to get to 630 with out going 
through the settings to enable/disable etc. 
Or publish a macro that could be used with PF1 or PF2 to engage 
the band quickly. 

73 Merv K9FD/KH6 




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[Elecraft] 630 meter band open for use

[Merv Schweigert via Elecraft]

Since we finally have the 630 meter band open for amateur use,
(after you file intent of operation with the UTC and wait 30 days),

is there any plan to put this band on the K3/K3S band plan?
Would sure be nice to be able to get to 630 with out going
through the settings to enable/disable etc.
Or publish a macro that could be used with PF1 or PF2 to engage
the band quickly.

73 Merv K9FD/KH6




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Re: [Elecraft] K-3 with 4O3A antenna genius

[Jim Brown]

On 9/15/2017 8:25 AM, Art via Elecraft wrote:

Anyone have experience using this combination? In particular, I'm trying to figure if the 
"Genius" can be controlled directly from the K-3 ACC using it's band data info.


I'm controlling my 8x2 Antenna Genius from the per-band switched 12V 
outputs of two 5B4AGN bandpass filter band decoders. The 5B4AGN unit is 
driven from the K3 ACC output. The Antenna Genius is pretty flexible in 
how it can be controlled. There are dip switches that select the control 
logic. The manual is online, but when I was installing my Antenna Genius 
a year or two ago, the 8x2 was a brand new product and the manual wasn't 
as complete as it should have been, so I had to get pin-outs of the DB 
connector from Ranko via email.


The Antenna Genius 8x2 has EXCELLENT RF performance, with greater than 
100 dB isolation between outputs for any combination of selected outputs 
on all bands, and very low SWR. My measurements were done with a 50 Ohm 
VNA and all unused outputs unterminated, which is worst case.


73, Jim K9YC


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[Elecraft] New QRPworks product: Key Line Pi

[Shel Radin KF0UR]

Hi all,

QRPworks is pleased to announce that our newest product, Key Line Pi, for
the KX2 and KX3 is now available.  It was first introduced at Hamvention
earlier this year with a limited quantity available, but is now in
production and available on our website.

What is Key Line Pi?  It is a mounting bracket that allows your Elecraft
KXPD2 or KXPD3 paddle to be swiveled 45 degrees left or right to allow the
operator to have a more comfortable keying position, while keeping the rig
straight in front of you.

And when we're out in the field, the rig placement is not always ideal for
keying.  Key Line Pi allows you to adjust the angle of the paddle to make it
more comfortable.

Pictures are on our website at www.QRPworks.com.

Tnx & 73,

Shel KF0UR & Steve KB3SII
QRPworks




--
Sent from: http://elecraft.365791.n2.nabble.com/
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[Elecraft] K-3 with 4O3A antenna genius

[Art via Elecraft]

Anyone have experience using this combination? In particular, I'm trying to 
figure if the "Genius" can be controlled directly from the K-3 ACC using it's 
band data info. 


Any help would be appreciated.


Thanks and 73,


Art KZ5D
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Re: [Elecraft] OT: Looking for adaptor

[Wes Stewart]

Mea culpa. On 9/14/2017 5:55 PM, Jim Graves wrote:

Wes, you were talking about http://www.amateurradiosupplies.com/
and I was talking about http://www.americanradiosupply.com/

Those are not exactly the same thing.

Jim G.
W4JRG


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