K3 names on ANT1 and ANT2

[K7TV]

I have set up two K3's for SO2R, using both antenna connectors on each radio
for different antennas/bands. It becomes hard to remember which is which. I
would like to request a firmware update that lets me edit a name for each
antenna connector, and have that name displayed briefly when the antenna is
selected with the ANT button. This would be similar to how I can edit my
callsign etc to be displayed when the radio starts up. (Sorry if I have
missed an existing capability to do this.)

 

73,

Erik K7TV

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[K7TV]

Thanks to those who told me that this is already implemented (manual, page
22).
I hope I was not the only one who needed to be enlightened.
Erik

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[Nr4c]

Read the manual. This feature is already there. It's done in the radio I think. Been a long time since I named my antennas but it wasn't difficult.

Sent from my iPhone
...nr4c. bill

> On Jan 23, 2017, at 1:14 AM, Erik Basilier <[hidden email]> wrote:
>
> I have set up two K3's for SO2R, using both antenna connectors on each radio
> for different antennas/bands. It becomes hard to remember which is which. I
> would like to request a firmware update that lets me edit a name for each
> antenna connector, and have that name displayed briefly when the antenna is
> selected with the ANT button. This would be similar to how I can edit my
> callsign etc to be displayed when the radio starts up. (Sorry if I have
> missed an existing capability to do this.)
>
>
>
> 73,
>
> Erik K7TV
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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[JEAN-FRANCOIS]

Holding ANT allows names to be assigned to ANT1 and 2 (e.g., ‘YAGI’ ). These will be flashed when you switch antennas. When editing names, VFO B selects the character position to change; VFO A cycles through available characters. Setting the first character to “- ” disables name display.

73 de Jeff | VA2SS

__________________________________________
Jeff | VA2SS
Jean-François Ménard

[hidden email]<mailto:[hidden email]>
www.VA2SS.com<http://www.VA2SS.com>

Membre de / Member of :
ARRL / AMSAT / QRP ARCI / FISTS / SKCC / MICHIGAN QRP CLUB

Message envoyé à partir de mon appareil mobile.
Message sent from my portable device.

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[W4GRJ]

Recently noticed on the KAT500 remote interface on the PC, lower right corner
shows VFWD and VRFL, when I run winlink express with radio at 100 watts USB it shows
VFWD:675  VRFL:50
Appreciate if someone can explain the numbers

Tnx,
Jack
W4GRJ

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[Don Wilhelm]

Jack,

VFWD and VRFL are values straight out of the analog to digital
conversion of forward power and reflected power measured by the coupler.
  The value can range from 0 to 4096.  See the KAT500 Command Reference.

Those values are used by the firmware to compute the SWR.  I do not know
the conversion factors (and don't really care since the firmware does
the computation).

The VFWD will be relative to the measured power output and the
difference between VFWD and VRFL will be relative to the SWR - in other
words, a low VRFL is goodness representing low reflected power.

73,
Don W3FPR

On 1/23/2017 11:15 AM, w4grj wrote:
> Recently noticed on the KAT500 remote interface on the PC, lower right corner
> shows VFWD and VRFL, when I run winlink express with radio at 100 watts USB it shows
> VFWD:675  VRFL:50
> Appreciate if someone can explain the numbers
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[Lynn W. Taylor, WB6UUT]

On 1/23/2017 10:20 AM, Don Wilhelm wrote:
> Those values are used by the firmware to compute the SWR.  I do not
> know the conversion factors (and don't really care since the firmware
> does the computation).
If you're calculating SWR, you don't need to convert them before you do
the calculation -- as long as the units are the same.
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[ab2tc]

Hi,

Ecactly. So yo can use the usual formula for computing VSWR from forward and reflected voltages. In this nomenclature:

VSWR = (VFWD + VRFL) / (VFWD - VRFL)

In your case : VSWR = (675 + 50) / (675 - 50) = 1.16

Perfect to go!

AB2TC - Knut

Lynn W. Taylor, WB6UUT wrote

On 1/23/2017 10:20 AM, Don Wilhelm wrote:
> Those values are used by the firmware to compute the SWR.  I do not
> know the conversion factors (and don't really care since the firmware
> does the computation).
If you're calculating SWR, you don't need to convert them before you do
the calculation -- as long as the units are the same.
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Lynn W. Taylor, WB6UUT wrote

On 1/23/2017 10:20 AM, Don Wilhelm wrote:
> Those values are used by the firmware to compute the SWR.  I do not
> know the conversion factors (and don't really care since the firmware
> does the computation).
If you're calculating SWR, you don't need to convert them before you do
the calculation -- as long as the units are the same.
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