W4GRJ wrote:
Just leave the K3 in USB, do not change to data mode. RMS Express will set to
the correct freq. You will not have to make any adjustments.
If this is correct, and RMS Express tunes to the correct frequency in
USB mode but not in DATA A mode, then there may be an error in RMS
Wayne, the annoyance factor could be reduced by ANDing the flashing 'Delta-F'
light with the red 'Tx' light. That way it would only flash a warning when
transmitting.
Thaty's what I like about Elecraft, an instant response even on Sunday 1st
January!
73
Tom G3OLB
N6KR wrote: That said, I'll
Hi Rick.
Thank you for your reply. I guess I should have
mentioned that! I have done all of that, that is I have already
equalised the readout frequencies on both displays (main Sub). I have
also incremented either one -or-the other displays (main Sub) by + or
- a least
Don,
For the installation of the K3 subrx, see:
http://www.youtube.com/watch?v=5EJL8SlJ_L8
73,
Arie PA3A
Op 1-1-2012 19:15, gold...@charter.net schreef:
I am thinking about purchasing and installing a sub-receiver for working
split and diversity.
When reading the installation guide there
Eric,
The woosh you describe happens here when I use filters with different IF
offsets.
I trust that you use filters with the same offset.
Maybe one of the offsets has changed? You can check this easily with the
K3 utilty program.
Look at the configuration tab onder 'configure crystal filters'.
Steve,
Took me two days, probably 10hrs or so in total.
Be sure to check all errata for every building manual.
73
Arie PA3A
Op 1-1-2012 22:00, redtar...@nycap.rr.com schreef:
Greetings everyone. I ordered a K3/100 in kit form last week. I should have
it this week. Just wondering how long it
Matt
I use Airmail with my K3 and an SCS Pactor modem to connect to the
Winlink system. Using the pre-defined settings in Airmail it works
perfectly to connect to any of the mail boxes within range, no
tweaking of the RIT, etc. needed.
It looks like RMS Express is the cause of the issue, which I
You might want to check out the switch from KR5L (check his QRZ page). He
will have it at the Orlando Ham Fest and is doing a kit with a Ten Tec box
and professional fittings.
Jerry said on his page These are three pictures of my homebrew 6 position
coaxial and linear amp. relay switch. This
I use RMS Express Winmor, DSM780 FlDigi MT63, Airmail Pactor and MIL110A,
they all work perfect with the rig left in USB.
Jack
W4GRJ / AFA4DG
On Jan 2, 2012, at 3:43, Richard Ferch ve3...@storm.ca wrote:
W4GRJ wrote:
Just leave the K3 in USB, do not change to data mode. RMS Express will
John, I'm not being flippant. Please pick up a copy of Reflections III
by Walt Maxwell W2DU, published by CQ Comuunications. The book covers a
lot of ground and will deepen your understanding of what you are rightly
seeing.
73, de Nate N0NB
--
The optimist proclaims that we live in the best
* On 2012 01 Jan 22:48 -0600, Jim Miller wrote:
I've currently got a K3/10 (#1210) and I'm considering adding the 100w amp
option. Once I do this how difficult is it to revert to QRP? Does the power
control make this easy?
Jim, it is quite easy, although cranking the knob became a bit tedious
Thanks, Chip -
Looks like just what the doc ordered.
73, Mike NF4L
On 1/1/2012 11:12 PM, Chip Stratton wrote:
Take a look at the TDK Lambda switch mode power supplies. The LS50-15 that
I have is pretty quiet, with output voltage adjustable from 13.5v to 16.5v,
about $20 from Newark
Looks nice, but I would be worried about radio-to-radio isolation and
possible RX damage on one radio when transmitting on another. Any pix
of the inside other than on QRZ?
73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
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I agree with Arie's comments below. Even if your filters were not factory
matched for identical offsets, you can simply set both to the average...e.g.
for -0.75 and -0.81 set both to -0.78. You would never notice a 30 Hz
difference in the total 2700 Hz BW of stock 5-pole filters.
73, Bill
Same here, installed RMS last weekend it worked fine in USB for winmor
also on my K3 first time.
Strange.
--
*Iain Haywood*
G4SGX
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Yes, of course, but that is not in the least surprising. The question
is: Why doesn't RMS Express work properly in DATA A mode? This is
precisely the kind of application that DATA A was intended for.
73,
Rich VE3KI
On 02/01/2012 7:53 AM, W4GRJ wrote:
I use RMS Express Winmor, DSM780 FlDigi
Selling my K2, has all the options except for 60M/XVTR. S/N 3938, 15 watt
version carefully built by a QA Engineer; always kept and used in
non-smoking environment. Includes all Elecraft literature, manuals. Internal
battery with low cycles recently installed. Other installed options include:
Rich,
I understand the original question, I was just trying to simplify things by
explaining there is no need to switch modes.
This is very convenient on the MARS nets which are USB and we quickly switch
to MT63 for traffic.
Jack
W4GRJ / AFA4DG
-Original Message-
From:
Looking for an AM filter.. Thank You..
George
NE2I
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The power screwdrivers we use in the factory are high performance commercial
units that have a finely adjustable torque clutch that limits how far each
screw is tightened. This insures both a consistent assembly of the radio and
that the screws are never overtightened.
We set it at a very low
Dear All,
Since I am contemplating adding the sub-receiver I will need matched
filters for diversity.
Currently I have the 2.7 Khz 5 pole and since filters need to be matched
I was thinking to go directly to the 2.8 8 pole filters.
So in addition to the matching for RX easily with no offset,
I'm curious to how the KAT500 will interface with the KPA500.
For example, if the KAT500 goes into a tune cycle, will it interrupt the
ptt line to the KPA-500 so its off line temporarily? Or will we have to
put the KPA500 in stdby mode firrst then initiate a tune cycle?
Thanks
Rich - N5ZC
Hi all and happy new year
When I tune my K2/10 on 10 mc I get the message: 2.04r 1.09.
Voltage is 13,6 0.35
Any ideas and solutions would be appriciated.
Allan, OZ8A
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Hi Joe,
Thanks. The several MARS frequency matrix docs show center freq of
the 3 KHz channel. However, RMS Express compensates for this by
subtracting 1.5 KHz so that the suppressed carrier frequency is sent,
via the FA command.
Example:
[CXR freq: 7059.0, center is shown as 7060.5]
Allan,
A brief display of the firmware level normally happens if you hold a
button in when powering the K2 on.
You either have a button stuck (electrically or physically), or there is
a soldering problem on the front panel.
Make certain pin 1 of Front Panel RP1 is soldered and that RP1 is
On 1/2/2012 6:54 AM, gold...@charter.net wrote:
Since I am contemplating adding the sub-receiver I will need matched
filters for diversity.
Diversity is most useful for weak signal reception, where narrower
filters are likely to be used. I would pay more attention to matching
those narrow
Are you using two antennas and the sub is on the other? Diversity reception
can sound like that.
Rick wa6nhc
Tiny iPhone keypad, sorry for typos
On Jan 2, 2012, at 2:57 AM, Eric Buggee; VK3AX ericvk...@esc.net.au wrote:
Hi Rick.
Thank you for your reply. I guess I should
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Basically, I can't find the source of this bug, because everything
looks fine from the computer side.
I believe you will find the bug in the order in which RMS Express
sends the commands to the rig. Changing mode after setting frequency
and changing data dub-mode after setting frequency *can*
HNY to All
I have noticed from some days, that my K3 CW text decoder some time stop
decodingCW, without any apparent reason..after some time..it start
decoding again.
I have already try with different thresholds...but without results.
Seems something coming and going...
Any suggestions
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On 1/2/2012 8:49 AM, Natale Borghetti wrote:
I have noticed from some days, that my K3 CW text decoder some time stop
decodingCW, without any apparent reason..after some time..it start
decoding again.
As luck would have it, this happened to me yesterday with JT65-HF. Guys
with good
goldtr8 wrote
Dear All,
Since I am contemplating adding the sub-receiver I will need matched
filters for diversity.
Currently I have the 2.7 Khz 5 pole and since filters need to be matched
I was thinking to go directly to the 2.8 8 pole filters.
For unmatched 2.7k SSB filters,
John,
No harm to leave the external meter in line, just don't use it's readings..
I have a Palstar ATU in line for when I use my amp with my multi-band
doublet. When the amp is not switched in I'll often bypass the ATU and use
the KAT3. The swr meter in the Palstar atu is still in-line however
Quite right Joe, since, as I said, the KAT3 is providing a low SWR between
the KAT3 and PA *inside* the K3.
Now for another cup of coffee...
Ron AC7AC
-Original Message-
You didn't say how much coax ran from the K3 to the Palstar. For an
accurate comparison it should be zero (use
Hi Folks,
I just finished putting together my KX1 with the ATU. I am having a problem
with it on 20m when using it through my shack tuner (viking matchbox to a
dipole up 60-70 ft). As the manual states, I place the tuner into CAL to bypass
the tuner. The problem is that it seems kind of quiet.
James,
I am not sure from your prblem description whether you have a KX1
receiver problem or a KXAT1 problem or some sort of setup problem with
your shack tuner.
First thing to do is to peak the KX1 receiver front end, and you remove
the tuner (put the jumper in) and connect it to a signal
I also have a meter between my K3 and my antenna. The AWESOME tuner in the K3
keeps the radio happy, while the external meter will show, at a glance if there
has been any significant change in the antenna itself.
Dave - K9FN
Sent from my Samsung smartphone on ATT
GW0ETF gw0...@btinternet.com
Is there a good place to tap the IF stream for an output? I have a spectrum
analyzer and was thinking of running an IF-out to the analyzer, it doesn't
matter what frequency if its under a gig.
--
View this message in context:
http://elecraft.365791.n2.nabble.com/IF-tap-tp7144523p7144523.html
Steve,
You did not say which transceiver you have, so we can't really answer
except to say that the K3 does have an IF output if you install the KXV3
option.
73,
Don W3FPR
On 1/2/2012 1:51 PM, Steve KC8QVO wrote:
Is there a good place to tap the IF stream for an output? I have a spectrum
Is there a good place to tap the IF stream for an output?
Are you asking this about a Wells-Gardner BC-348-R?
For some reason, it always seems to help if the applicable radio
is identified. :-)
Mike / KK5F
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I am using two speakers with my K3. My plug fits loosely into the
STEREO/MONO jack, and I have to be careful when I touch it or I lose the
audio in one or both. I have looked through the owners manual and do not
find the size of this plug. I would appreciate this information. Thanks,
Roy
I figured the radio was implied since I posted in the K2 forum In any event,
its a K2 SN 6950. I'm just looking for a constant frequency I can use
post-VFO to run through my spectrum analyzer so I can see the band I'm on.
--
View this message in context:
Hi Don,
I followed your instructions and did the following:
I removed my ATU from the KX1 and put the jumper in place.
With my shack tuner, using my Icom I tuned it for a perfectly?flat SWR on 20
meters.
I moved the coax from my Icom to my KX1.
I peaked the 20a and 20b trimmers
I moved the coax
I believe it's 3.5 mm - not 1/8
73 de M0XDF (K3 #174, P3 #108)
--
Write the bad things that are done to you in the sand, but write the
good things that happen to you on a piece of marble. -Arabian wisdom
On 2 Jan 2012, at 19:45, Roy Morris wrote:
I am using two speakers with my K3. My plug
I use Airmail and RMS Express and both work as they should in Pactor 1-4 mode.
RMS Express version is 1.1.3.0. Controller is a SCS DR-7800 P4 Dragon
I recommend to use DATA Mode in the K3 for Pactor.
DATA Mode should be set to DATA A, USB.
You should set RMS Express to use DATA USB.
You
John,
The VSWR will still be the same as you read on Palstar. What you are seeing
on the K3 is the VSWR being presented to the K3 PA stage. It's not the
actual VSWR on the system as a whole. That VSWR is what the Palstar is
seeing.
Barry KS7DX
-Original Message-
From: John Dziedziejko
Wayne,
I've been lurking since I ordered the KX3 and have been watching the
interesting dialog/multilog going on re: additional/changing features on the
rig. What is the point at which Elecraft locks in all the specs. and
features for the KX3? I don't know anything about manufacturing processes
Good Afternoon,
Both nets went pretty well last night. Forty meters had some QRN
but that is normal for this time of year. QSB was mild in most cases
adding only a flutter. Remember to QNZ (zero beat net control). If you
don't you fall outside of my filter's skirts making copy ESP or
Hi Bill,
Both the manual and firmware will continue to be updated long after we
first start shipping. Something magic happens when hundreds of people
start using a radio -- special requests, new features, improvements.
Of course the firmware updates and revised manuals are available for
Steve,
This Elecraft email reflector stopped being the K2 reflector as soon as
the K1 was available, and now there are questions about the K3, K2, K1,
KX1, now the KX3, KPA500, KRC2, mini-modules, and any other product that
Elecraft has produced or has announced for the future.
Clifton Labs
Mike,
Just the other day, I heard someone on the air talking about the ATR-30 and,
acording to them, it's been replaced by a mic with only minor differences.
I can't recall what the model number was exactly but it might've been the
3700 or something like that. So apparently, it's been dressed
For those of you interested in tracking down sources of household RF
noise here is an article describing one source you may not have
considered: cellular telephone chargers. Modern cell phones have become
thinner and thinner and are commonly recharged via a USB connection. A
comprehensive
Or to your softrock for a panadaptor. Clifton Labs
has high quailty/easy to build IF ports. I put one
together in my K2, it works excellent.
Leroy AB7CE
-Original Message-
From: Don Wilhelm
Sent: Monday, January 02, 2012 2:01 PM
To: Steve KC8QVO
Cc: elecraft@mailman.qth.net
Subject:
Don wrote:
This Elecraft email reflector stopped being the K2 reflector as soon as
the K1 was available...
Which was almost 12 years ago...the K1 was announced in Spring 2000!
It is very helpful when the subject line contains the device model in
brackets, like:
[KNB1] What sets noise
Well, for those following along I've figured this out ..
Backstory: I rove in V/U/uW contests with 11 bands, using a pair of
K2s as IF radios, a stack of XVs for low 4 bands, and a collection of
surplus, commercial, and homebrew stuff for the microwaves through 24G
Last winter's project was a
Dear OMs and Yls,
I am considering along with K1VGF skipping Dayton this year and
visiting the Visalia Hamfest but I am looking for some information.I
understand that Elecraft is sponsoring the Contest University which is an
event I would want to attend but I know little else about this
On 1/2/2012 11:45 AM, Roy Morris wrote:
I am using two speakers with my K3.
It's a nominal 1/8-in plug. Both Switchcraft and Neutrik, two very well
respected mfrs, make very good 1/8-in plugs. See my tutorial on Ham
Interfacing, on my website, for part numbers and known good sources.
Are you sure it's 1/8? that would make it 3.175mm, which would account for the
loose connection if the socket is actually 3.5mm.
And my 3.5mm plugs in the UK fit very well.
73 de M0XDF
On 2 Jan 2012, at 21:52, Jim Brown wrote:
On 1/2/2012 11:45 AM, Roy Morris wrote:
I am using two speakers
I don't suppose there is any chance of the function keys on a keyboard plugged
into the P3_SVGA being able to activate K3 macros or being programmed as
additional function keys for the K3?
73 de M0XDF (K3 #174, P3 #108)
--
A good cook is like a sorceress who dispenses happiness.
-Elsa
Hello, friends
First I'd like to thank all that responded with possible solutions to my
friends dilemma.
We did verify the orientation of the RF board in the P3.
We did verify the resistor change was good.
We weren't too successful in listing to the IF OUT on the sub-rec.
Mark came by my
On 1/2/2012 1:51 PM, Doug Turnbull wrote:
Dear OMs and Yls,
I am considering along with K1VGF skipping Dayton this year and
visiting the Visalia Hamfest but I am looking for some information.I
understand that Elecraft is sponsoring the Contest University which is an
event I would
Don Wilhelm-4 wrote
Steve,
This Elecraft email reflector stopped being the K2 reflector as soon as
the K1 was available, and now there are questions about the K3, K2, K1,
KX1, now the KX3, KPA500, KRC2, mini-modules, and any other product that
Elecraft has produced or has announced
Steve,
One cannot usually use a spectrum analyzer in situ like you would an
oscilloscope - the spectrum analyzer has a 50 ohm input and will load
the circuit under test significantly. That is why you need the buffer
amplifier.
73,
Don W3FPR
On 1/2/2012 5:35 PM, Steve KC8QVO wrote:
Just
James,
There is nothing band dependent about the tuner - especially in CAL mode
where all the L and C is bypassed.
Try the test on 20 meters again.
There are times when the KX1 glitches on an SWR reading, so if you see
9.9 SWR try it again.
Also check your coax connections - make certain your
I've been to Visalia many times because I used to live in Phoenix, and many
members of the Central Arizona DX Association went, making it more
enjoyable. I've been twice, I think, since I moved to IL in 2006.
The attendance is usually between 550 and 625. What's nice is that it all
takes place
Thanks Kevin
I checked my families cell phone chargers and I'm OK (for now.)
It never ends. I periodically shut off the main breaker to our house and
listen on HF with battery power to see if there are any new RFI culprits. My
kids are
always using some new electronic gadget. I just
Hi Don,
Good suggestion on the cables.. I swapped them out and whatever I did, it now
shows a nice flat SWR on 20m. Perhaps something was loose or maybe the patch
cable I was using as seen better days.
?
Any idea why it might be showing 3 watts out as opposed to 4? Not that it makes
much
Let me see if I can correctly state, with clarity for all to understand so
this thread can die peacefully and we can move on (please?).
The K3 puts out power into an internal tuner (if installed) and then to an
SO-239 at the rear of the radio. If the tuner is in bypass, the impedance
is very
Rick,
Not quite --
Both SWR meters can be quite accurate - they are just not measuring the
same thing.
Imagine an external tuner - put an SWR meter on the input, and another
on the output -
Now make changes to the L and C in the tuner - note that the SWR meter
on the input is the only one
James,
Very glad to hear that. 3 watts as opposed to 4 is not that much
different. The collective gains of Q4, Q5 and Q6 may be to blame. If
you would like to boost it a bit, you could put in the KX1 Power Mod
resistor changes.
73,
Don W3FPR
On 1/2/2012 7:33 PM, james1...@aol.com wrote:
Not sure I understand this.
I did not think an SWR meter was supposed to work properly only when
seeing 50 ohms restive.
If the line is not flat it is terminated in to something other than the
feedline impedance, i.e. not 50 ohms restive in this discussion. I would
expect the SWR meter at
Tom,
All an antenna tuner does is show the radio the load it expects; the SWR will
still be high at the output of the tuner, and an SWR meter in the coax at that
output will show it as it actually is at that point, not as it is on the input
of the tuner/output of the radio.
Matthew Pitts
Thanks Matthew. I should not have spoken like that. Should just
have said the meter in the line would not change just because a radio
tuner transformed impedance to make the radio happy. 73, tom n4zpt
On 1/2/2012 9:11 PM, Matthew Pitts wrote:
Tom,
All an antenna tuner does is show the radio
Quite right.
There a couple of impedance transformations that occur between the
collectors (or plates) of the power amplifiers and the antenna. The first is
done by the output filters. In modern rigs, they are fixed tuned and
designed in common Ham rigs to convert the impedance at the collectors
Hi Tom,
Ok, one more swing at it.
The tuner as Don states (and we agree), is transforming the 50 Ohm
impedance of the transmitter, into something that mates better with the
impedance of the antenna for (hopefully*) better transfer of energy to/from
the antenna. There are similar circuits inside
Page 8 in the D9 version of the K3 Owners's Manual say's 1/8 inch stereo HP and
SP jacks both.
But... That doesn't mean they are ;o)
73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member
Only a white man would believe he could cut the top
off of a blanket, sew it to the
Tom and all,
You are ignoring one important word - Nominal
A nominal 1/8 inch is equal to a nominal 3.5mm.
As far as I know, they are both the same size.
But as Jim Brown points out, there are good and bad connectors. Buy the
good ones and stop suffering -- yes, that may mean that you have to
Part of the problem is that in the USA many suppliers consider 3.5 mm and
1/8 the same. For example I have a packet of Radio Shack plugs that is
marked 1/8 (3.5 mm).
I grabbed one and checked it, and it's 0.135 in diameter - 3.5 mm. No
wonder it works FB in my K3.
I'm inclined to go on another
Are the LEDs on the face of the KX3 really going to stand out as high as
they appear on the Elecraft site? I could see one getting broke quite
easy being that exposed. I would hope for a lower profile on them for
safety sake.
73/Phillip/N8AYE
-. ---.. .- -.-- .
No. About 50 mils.
Wayne
On Jan 2, 2012, at 8:20 PM, Phillip Nichols wrote:
Are the LEDs on the face of the KX3 really going to stand out as
high as
they appear on the Elecraft site? I could see one getting broke quite
easy being that exposed. I would hope for a lower profile on them for
I have a large number of 1/8- plugged patch cords.
None seem to fit the K3's jacks correctly. I've always
attributed this to the quality of the jacks, not a possible
size mismatch.
The plugs on my several Heil headsets fit so sloppy
that I've sometimes used tape to hold them askew
to maintain
I saw a post about finding sources of noise, and I would like to share one that
surprised me. The other night, I had 20/s9 noise on 75 meters all across the
band. I got out my portable AM radio and was trying to find the cause when I
heard a click and the noise was gone. I knew something had
Hmmm -
3.5 mm = 0.1378 inches
1/8 inch = 0.125 inch
Or am I missing something?
- Jim, KL7CC
Don Wilhelm wrote:
Tom and all,
You are ignoring one important word - Nominal
A nominal 1/8 inch is equal to a nominal 3.5mm.
As far as I know, they are both the same size.
But as Jim Brown
The Radio Shack plugs, P/N 274-284, marked 1/8, (0.125), are actually 3.5
mm, (0.135 mm), and fit the K3 very well.
And they take solder just fine, unlike some RS connectors.
Ron AC7AC
-Original Message-
I have a large number of 1/8- plugged patch cords.
None seem to fit the K3's
Yes, I think you have missed the meaning of nominal
Let me put it this way - the nominal 40 meter band can refer to any
frequency between 7.000 and 7.200 MHz (we in the US will extend that to
7.300 MHz).
Likewise, nominal 3.5mm can range from 0.125 to 0.140 inches, and a
nominal 1/8 inch can
OK, Magic people, I broke it. First responses are the right ones. I
installed the 2m internal module (physically) and the FM Filter. Audio gone
even before utility ran to configure filters (all bands).
No audio through speaker or headset (front connections) except white noise,
no signals.
Here a mil is ovbiously not referring to a millimetre, otherwise the LEDs are
sticking up 5cm! So, I did a google search, and discovered that in the Imperial
measurement system, it can also refer to one thousandth of an inch (0.0254mm).
That means 50 mils = 1.27mm, which makes much more sense.
Jim,
Technically, if you hear white noise, you have audio. Sorry to be so
picky, but it is quite important in troubleshooting to use exact
language so we all understand each other. From your statements I would
rather have seen you say that you have audio, but do not hear any
signals AND
Unfortunately, one has to be cautious of common technical slang in an
international community. Yes, common in US machinist's talk is for a
'mil' to equal 0.001 inch. I am not certain of the origin and even
though I looked it up at Wikipedia, I still don't have any answer to why
'thou' is
I think this is due to the French influence on the metric system: in French,
the word mille means 1000.
73, Matt VK2ACL.
On 03/01/2012, at 4:20 PM, Don Wilhelm wrote:
Unfortunately, one has to be cautious of common technical slang in an
international community. Yes, common in US
I think that mil is short for milli inch, which is really mixing
systems.
I think that power folks do even worse. Wires larger than 4/0 are
given in circular mils, or cm. When I started with a power company 42
years ago, one thousand circular mils was MCM, where the M was from
Roman
Hi Jim,
DX University at Visalia this year is not the same as contest university. Its a
similar program focused on DXing. It going to be a great program. Different
sponsoring groups too.
See http://www.dxuniversity.com/
73,
Eric
www.elecraft.com
_..._
On Jan 2, 2012, at 2:26 PM, Jim
Having worked in manufacturing of the F111 FB when they did that I can imagine
that to convert over would have cost BILLIONS.
The United States manufacturers just decided not to spend the money to convert.
Yes, the Metric system makes more sense, but a wholesale conversion would have
been very
Fixed it. reinstalling the second receiver pulled out a cable to a front
panel board and the end was under the receiver so I couldn't see it. Once
it was removed, it was obvious. Thanks guys.
73, de Jim KG0KP
- Original Message -
From: Jim Miller KG0KP jimmil...@stl-online.net
To:
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