KX3 4m-Band Bandlimits

[Hans H Vollmer]

Hi fellow elecrafters,

1. I am using my KX3 for the new 4-m-band (new in Germany!).
I have a problem with the band-limit. In the future there will be
a 4m-band from 69.9 to 70.5 MHz in region 1.
When sending below 70 MHz (dummyload, hi) the message "band end" appears.
Not so with my K3.
Would a new firmware-release help?

2. It would be nice to have a transverter IF of 10 MHz analog to the K3
for my 472 kHz-transverter. Then I have not to change PWR to 0.1 Watts
when I QSY to MW.
Would a new firmware-release help?

73 de Hans, DF5SR


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[David Pratt]

Where have you read that, Hans?  Looking through the Region 1 papers and also the agenda for WRC-15 I can find no reference to the 4 metre band.  The only thing that could affect the K3/KX3 would be the band within 5250 and 5450 kHz. At present the K3/KX3 will only transmit up to 5420kHz.   For a future WRC there is a possibility that top band will be extended down to 1800 kHz again to bring the band in line with Regions 2 & 3.

David G4DMP

On 3 Aug 2014 14:45, Hans H Vollmer <[hidden email]> wrote:

> 1. I am using my KX3 for the new 4-m-band (new in Germany!).
> I have a problem with the band-limit. In the future there will be
> a 4m-band from 69.9 to 70.5 MHz in region 1.
> When sending below 70 MHz (dummyload, hi) the message "band end" appears.
> Not so with my K3.
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[Don Wilhelm-4]

Hans,

Firmware release 4.81 added 10 MHz and 18 MHz to the transverter IF band
selections.
If you are running an earlier version, upgrade and you should have that
selection.

73,
Don W3FPR

On 8/3/2014 9:45 AM, Hans H Vollmer wrote:
>
>
> 2. It would be nice to have a transverter IF of 10 MHz analog to the K3
> for my 472 kHz-transverter. Then I have not to change PWR to 0.1 Watts
> when I QSY to MW.
> Would a new firmware-release help?
>

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[Dave-5]

According to the specification, it should transmit between 69.9 and 70.6MHz.
What mode are you using?  If it's CW then there's a problem, if FM, maybe
that's too wide a mode to stay within the limits?

In Germany I know a couple of Amateurs have licences for 69.950MHz, or a
nearby frequency, to transmit and, of course, in the UK we already have
70.000 to 70.500MHz.

On the bright side, if Elecraft are shipping the 4M modules mine might be on
its way ;-)
Dave (G0DJA)

----- Original Message -----
From: "Hans H Vollmer" <[hidden email]>
To: <[hidden email]>
Sent: Sunday, August 03, 2014 1:45 PM
Subject: [Elecraft] KX3 4m-Band Bandlimits


> Hi fellow elecrafters,
>
> 1. I am using my KX3 for the new 4-m-band (new in Germany!).
> I have a problem with the band-limit. In the future there will be
> a 4m-band from 69.9 to 70.5 MHz in region 1.
> When sending below 70 MHz (dummyload, hi) the message "band end" appears.
> Not so with my K3.
> Would a new firmware-release help?

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[Dave-5]

Many countries have or say that they are allocating frequencies in the 4M
band David. Whether or not discussed at IARU. I think CEPT have recognised
that it's happening in their footnote "EU9" to the CEPT agreement.

A few German stations had been given spot frequencies arround 69.950MHz to
transmit on using something similar to our NoV system, but until the end of
August there's an allocation of between 70.100 to 70.030MHz for German
Amateurs.

The Four Metres Website is a good place to go for the latest news on places
which have recently made new frequency allocations on the 4M band
http://www.70mhz.org/

Cheers - Dave (G0DJA)

----- Original Message -----
Cc: <[hidden email]>
Sent: Sunday, August 03, 2014 2:18 PM
Subject: Re: [Elecraft] KX3 4m-Band Bandlimits

> Where have you read that, Hans? Looking through the Region 1 papers and
> also the agenda for WRC-15 I can find no reference to the 4 metre band.
> The only thing that could affect the K3/KX3 would be the band within 5250
> and 5450 kHz. At present the K3/KX3 will only transmit up to 5420kHz. For
> a future WRC there is a possibility that top band will be extended down to
> 1800 kHz again to bring the band in line with Regions 2 & 3.
>
> David G4DMP
>
> On 3 Aug 2014 14:45, Hans H Vollmer <[hidden email]> wrote:
>
>> 1. I am using my KX3 for the new 4-m-band (new in Germany!).
>> I have a problem with the band-limit. In the future there will be
>> a 4m-band from 69.9 to 70.5 MHz in region 1.
>> When sending below 70 MHz (dummyload, hi) the message "band end" appears.
>> Not so with my K3.

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[Dave-5]

I thought I had got all of the typos...

70.000MHz to 70.030MHz is what I should have typed!

Dave (G0DJA)

----- Original Message -----
Sent: Sunday, August 03, 2014 7:02 PM
Subject: Re: [Elecraft] KX3 4m-Band Bandlimits


> A few German stations had been given spot frequencies arround 69.950MHz to
> transmit on using something similar to our NoV system, but until the end
> of August there's an allocation of between 70.100 to 70.030MHz for German
> Amateurs.

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