bandwidth, at least.
Anyway, the sum of it is, nobody seems like they are teaching ANY
really good operating practices anymore.
And we agree here, too.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur
to be whichever sideband you want -- but I
suggest LSB and USB, respectively.
I use R for RTTY and R-bar for PSK31.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
)
I bought my wife an iBook two years ago, and she's become completely
inseparable from it. It changed her life.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
frequency for RTTY (I use
tones of 1415 and 1585 Hz). This also made it easy to program the
KDSP2 for RTTY as well. I still had to modify the K2 BFO to get
sufficient range.
Hope this helps
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man
a schematic for a pre-amp on this web site. (I found
a bunch of other stuff, though) Could you cite the actual circuit you
used?
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
Complete K2 for sale. Serial number 5290. Includes the K2, KPA100,
KSB2, K160RX, KIO2 mounted in original K2 top cover, FDIMP, KAT100-1
$1200, shipping included to US. Reply off list to [EMAIL PROTECTED]
73, Bill N2BC
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Complete K2 for sale. Serial number 5290. Includes the K2, KPA100,
KSB2, K160RX, KIO2 mounted in original K2 top cover, FDIMP, KAT100-1
$1200 firm, shipping included to US. Reply off list to [EMAIL PROTECTED]
73, Bill N2BC
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Super! Happy Birthday!
Want to trade?
Oh, I'm keeping K2 #5290.
73, Bill N2BC
Spence Wilhelm wrote:
All,
My wife just gave me an awesome present for my birthday! K2 #5400!
Can't wait to get started.
73,
Spence W7CSW
___
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this are 5-10%
the price of the whole deal.
Elecraft kits are a lot smaller investment, so there's probably not
the similar incentive. The mini-kits are a good start choice,
although they aren't part of the final unit.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote
a guy at 5 wpm send
57 CQs in a row before I got tired and moved on. Never knew if he
ever signed
Are ham license classes teaching proper procedures anymore?
What we need is something like the Novice Accent brochure, but
updated for modern procedures.
Bill Coleman, AA4LR, PP-ASEL
a handful of letters
repeated over and over. Plus, the morse is depicted on the chart and
the speed is slow (like 5-8 WPM).
My instructors were impressed when I would identify VORs without
looking at the chart
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within
I'm having a difficulty with the power control in a freshly built
KPA100. When I set the power to 50W then key up (TUNE), I get appx 25W
(indicated on the K2 and external wattmeter). If I barely move the
POWER control on the K2 output will jump to 50W indicated on both the K2
and wattmeter.
Earlier post:
I'm having a difficulty with the power control in a freshly built
KPA100.
snip - remove incriminating evidence
Thanks to Philip WD8QWR I have learned my K2 and KPA100 are working as
they should. Now to re-do the FWD and REV adjustments I have been
twiddling for two days.
I doubt it's the cover holes. I've done some testing with the top and
bottom covers off while interfacing my newly built K2 to a 1500W
amplifier without any problems. (QRP is fun, but sometimes...)
Is your problem band sensitive? Is your antenna resonant? I would
suspect grounding
Hi all, recently completed K2 #5290.
I've made a couple of posts during construction, all the 'bugs' I faced
were self-inflicted. Saturday I went directly from final alignment into
the middle of the NAQP and had a ball.
Yesterday I was on CW and while fiddling with various menu settings I
In the immortal words of Emily Latella. Never mind
Yes, I said I checked things carefully. Tired old eyes. K13 was not
soldered, sigh.
I still think the voltage chart for U4 pin 5 and 7 is incorrect (and the
places they connect to). Will report back later when I make it through
I'm building K2 #5290. Have made it through the second session on the
RF board (Assembly Part II). The VCO freq is wrong
The PLL Ref Osc range is 12098 to 12084. I'm seeing a stable 12445 on
the VCO (TP1), VFO set for 4000.1.
I've eyeballed the RF board carefully with a magifying lens
I've just started building K2#5290. Thought I would pass along a small
building tip.
The search function of the current Adobe PDF reader is quite handy for
finding things in the manual.
Example 1: Having just finished populating the caps on the Control
Board, I noticed the spot for C44
#5290 arrived today. I've enjoyed reading the reflector for the past
few weeks, hope to 'contribute' in the future. In an effort to
eliminate any possibility of a haunted K2, I will hang some garlic over
the workbench before I heat up the soldering iron.
Happy New Year to all
73, Bill
On Jan 4, 2006, at 10:17 PM, Scott Richardson wrote:
I used a *plastic* container for my first etching project. Nice fumes,
fascinating meltdown.
Ferric Cloride (the active ingredient in the etchant) shouldn't
attack plastics. In fact, it is shipped in plastic bottles!
Bill Coleman
happened to fall across the buss bars, shorting out
the 48 volt supply.
As it was described to me, the wrench melted instantly, and just kept
on falling between the buss bars
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly
scanning the band. But it is a good
width for most conditions. 400 is good for congested contest
conditions. I rarely use 160.
OP1 works well on an empty band, when you are searching for activity,
like on 10m these days. But, it is hard to zero-beat stations with
this filter.
Bill Coleman
.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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I'm considering a K2. The power out spec says .5W... how much less?
I'm not much of a QRP op, my amplifier only needs 100 to 150mW. If the
K2 will reliably go to 100mW or less I can skip inserting an attenuator
and simplify T/R switching.
Happy holidays to all de Bill N2BC
On Dec 24, 2005, at 10:22 PM, Bill Coleman N2BC wrote:
I'm considering a K2. The power out spec says .5W... how much
less? I'm not much of a QRP op, my amplifier only needs 100 to
150mW. If the K2 will reliably go to 100mW or less I can skip
inserting an attenuator and simplify T/R
they be able to use it on SKN?
I'm certainly not going to step on anyone else's fun, but, for me,
using something other than a straight key kinda dilutes the whole SKN
experience.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly
trunnions, pivot on your elbow and have your
whole arm move when you key. If you key just with the muscles of your
wrist, you'll tire out in no time.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright
On Dec 19, 2005, at 2:41 PM, Indy wrote:
Each year more and more have participated in SKN (Silent Key Night)
with these keys.
SKN is STRAIGHT KEY NIGHT!
Using a bug during SKN would be, er, sacrilege (or something)
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote
of C174 and C173
To get the BFO range I needed for RTTY, not only did I have to pad
C173 and 4, but after I had added maximum capacitance there, I went
ahead and added 2 pF to pull the crystal. I have not noticed any
stability problems, and the BFO range is just about perfect.
Bill Coleman
even a freeware program out there to compute the length of the coax -
Coaxtrap. Google for it.
If you're going to make 80m a habit, some 50-60 foot radials would be
nice. K2VCO should also consider some longer radials.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote
-band receiving antennas.
These are quite lossy, having gain 20-30 dB below that of a
transmitting antenna. Examples include Beverage antennas, Flags,
Pennants, EWEs, K9AY loops. Despite being lossy, they can have quite
sharp patterns, especially the Beverage antenna.
Bill Coleman, AA4LR
to hoping you upload your log to LoTW
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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You
not be used
lightly.
Websters.com includes an entry from the Jargon file that pretty much
describes the proper use of the term.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
to the
rig may cause the power knob to move slightly, enough to signal a
change in the K2 firmware.
I have this happen with the power and also the keyer speed,
occasionally. I wouldn't worry about it.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years
connectors are terribly difficult to solder)
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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. If
calling CQ doesn't work, you can call the QRQ ops and say PSE QRS.
Most will oblige.
Personally, I call many ops in contests, but the super QRQ ops going
40+ wpm, I just tune by. I'm not there yet.
Keep practicing!
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote
(NCJ) about 10 years ago, achieving
any sort of competitive level of operation has yet to happen.
There's no need for a separate operating class yet, and human
operators have little to fear at the moment from hordes of robotic
operations.
Besides, why let a computer have all the fun?
Bill
stupid
personal impression?
The response would be equally as broad at 600 Hz as at 700 Hz. I'd
leave it.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
the Ten-Tec Orion? Or even
two K2/100s w/ KAT100s, if I want the whole build-it experience?
It's hard to perceive what niche the Sienna is targeting. We'll have
to wait and see how well they do.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years
added the PLL temperature
compensation mod, I found it was a necessary change. Otherwise, my
rig hand much LESS temperature stability.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
the importance of wearing your
Elecraft
shirts, to hamfests. Who knows, maybe in New England you could get a
lobster, Texas BBQ and California abalone, if you wear your
Elecraft stuff.
Well, it is just an idea.
Worth a shot.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote
test) and make no other changes at all.
The ARRL regulation by bandwidth petition is a separate deal.
I thought the Novice band refarming was still active. Seems there was
an NPRM for that, too.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years
petition from the ARRL. I think the FCC is just biding it's time
until it can make a bunch of rules at one whack.
For a good QRP band, there's always 30m, too. No Novices, but it is
restricted to 200 watt PEP just the same.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote
know about NO heterodynes. But it does knock them down
about 30-40 dB. Since the signals are S9+20 or more, they certainly
don't disappear, but they aren't nearly as painful to hear.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever
more gain than
a vertical.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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You must
efficiency gets really poor at this level.
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Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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You
harmonic
of your tones will be in the passband when you are transmitting,
otherwise.
I recommend higher frequencies. I ended up using 1500 Hz as the
center of my RTTY filter passband.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man
to physically switch. If you can try
100 combinations a second (10 ms), that's still about 20 minutes to
try them all. Even with 1 ms switching time, you're still looking at
2 minutes to find a match.
A tough problem.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within
because they announced a new model long
before it was ready to ship. The subsequent loss of revenue, along
with some other instability, lead to their demise.
Business schools use this case for study today.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within
communications are only
permitted in the lower half (typically) of the band, and Analog
communication modes are only permitted in the upper half (typically)
of the band.
(At least, that is the case until the regulations change to
restriction by bandwidth)
Bill Coleman, AA4LR, PP-ASEL
at the
combined
Advanced/Extra of the past vs. the current Extra.
As I remember the 1980-era Extra exam was a lot easier than the
Advanced. Of course, you also had to deal with the 20 wpm code test,
too. But, one certainly didn't need to be an EE to pass the Extra
exam at that time.
Bill Coleman
subbands.
The key to keeping CW is to use it, IMHO.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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in order
to avoid decreasing the overall TX gain.
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Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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their
multiple, grounded tower installations and then resume after it
drifts past. The grounding tends to bleed off any charge that would
preceed a strike.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
that.
Make sure the K2 is transmitting and receiving, and the computer as
well. You can verify that the K2 is transmitting by hitting the
Display button while the PORT menu is being edited.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man
. What's the limiting factor
in choosing this resistor?
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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On Aug 29, 2005, at 11:17 AM, David wrote:
Antennas where disconnected and the house next door took the direct
hit
and blew a big chunk out of the back of the house.
Don't just disconnect your antennas - GROUND them.
Possibly would have saved your rig.
Bill Coleman, AA4LR, PP-ASEL
than going SMT.
Just some ideas.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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You must
in the middle.
Is it normal for these resistors to get quite hot? Should I order
replacements?
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
into the microphone. I use just
barely enough audio to keep the VOX positively triggered.
If you use a program with a positive PTT output, I would use that
(through an optoisolator) instead of VOX -- then you can run even
lower audio levels, which result in less distortion.
Bill Coleman, AA4LR, PP
day
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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to increased IMD at higher power levels).
Agreed. A 15-amp 240v circuit should do it, or you can go to 20-amps.
(It is sometimes easier to find a 20-amp dual-gang breaker than a 15-
amp. Size the breaker according to the wiring used)
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote
On May 24, 2005, at 11:19 PM, Lee Buller wrote:
It is 80% the size of an Alpha
So, is that 80% of the external dimensions, or 80% of the volume?
Is this the size of an EC2, or considerably larger?
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand
industry, are thriving because the economies of self-built
equipment still exist.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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build it for
you guys out there. One guy on this list has built more than 80 rigs!
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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of the difficulty in removing the circuit board.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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bulb inside it.
Even at 100 watts, 10% loss is 10 watts. That's still enough to
induce a few degree change in a small enclosure.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
or no flux on the core. The object of the current-type
balun is to discourage current from flowing by creating a high-
impedance path -- if there's high impedance there's little current
and therefore less chance of heating.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote
On May 20, 2005, at 7:23 PM, Dave G. wrote:
The subject says' it all ???
Hope, Wish, Blow out the candles...
Yes, inquiring minds want to know!
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright
-
built rig is an exception. It would be difficult to overcome that
bias in order to take over.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
actually attenuate it a bit.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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You must
On Apr 29, 2005, at 12:22 PM, Ken Bessler wrote:
My target is 40m nighttime SSB use.
The K2 does very well here, especially if you have the KDSP2 and can
turn on the auto-notch and audio DSP filter.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand
was that Q12 was bad. Since I didn't have a PNA,
I substituted a 2NA (metal TO-18 package). It's been working
great for a couple of years now.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
, this was a much easier filter alignment than I had done
previously using MacCRO. I recommend this software to anyone trying to
align the K2 filters with a Mac.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
?
Second question -- how can one have a higher duty cycle than 100%?
Can someone explain how MFSK can produce more of a strain on the
amplifier than being directly keyed down on a single tone continously?
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand
used
10 beads because I intend to add the A743 40m kit eventually and needed
the extra impedance on 40m.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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on the Elecraft list for several years now, but now I'm cut
off with no warning. I've mailed Eric a few times, but he hasn't yet
replied.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
On Apr 17, 2005, at 3:09 PM, Bill Coleman wrote:
PS - I'm posting this to the Elecraft reflector, but I doubt it will
go through. The reflector is using SORBS to block spammers, who has
decided that all of BellSouth.net is a spam domain.
Woo Hoo! I'm BACK!
Bill Coleman, AA4LR, PP-ASEL
in the front end.
Coaxial stubs? LP / HP filters?
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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. It is BSD Unix under the covers.
When someone asked at the Apple WorldWide Developers Conference, Which
BSD distribution does MacOS X draw from about four years ago, Apple
Engineers answered, All of them.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within
MHz of coverage instead of nominally 350-500 kHz.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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when you consider the
transverter is typically several hundred kHz wide.
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Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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. I
already had several accessories wired for a Kenwood TS-430S, which uses
+8 volts as well. Now the accessories work equally well on either
radio.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright
use is during radio
contests, I prefer the narrower bandwidth.
When you order your KSB2, you can ask Elecraft for the appropriate cap
values for any of these filters. I think they can handle that.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years
an interesting question -- what are OP2-5 for? I spent a while
studying the schematic trying to figure out if these selections also
activated some other I/O lines in the KSB2 controller. None that I
could find.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years
MF/HF ham bands quite well.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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You must
, even with the strongest 40m signals.
I would suggest something is amiss either with your BFO alignment or
with the construction of your KSB2.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
together
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Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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for the KSB2 or
filters. The KSB2 is already the hardest module to build, with the
highest component density.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
, at least 20m and below.
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Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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You must
is 50 baud)
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-- Wilbur Wright, 1901
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but instead going right to the hardware. After all, we have the
schematics (er, or I will once I order my new K2! :)
There is a modification to do this, implementing CW PTT:
http://www.qsl.net/w3fpr/ptt_input_for_the_elecraft_k2.htm
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED
. Wayne or Eric would be the one to pull this off.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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, the water will tend to move into
the connection. Not good.
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Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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.
For the frequency range of the K2/100, there's no reason to move to N
connectors, unless you want to spend money.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
coupling. Since these antennas are intentionally lossy, it usually
doesn't take that much distance to avoid transmitter overload.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
persisted in using these large
transformers for years because they provided a low-distortion coupling
to the phone line.
Some of the teeny 1cm cube transformers you find in cheap modems aren't
nearly as nice, but will work as well.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED
that I
never use the audio DSP filter. On SSB, however, the DSP filter does a
nice job of cleaning up the shape of the crystal lattice filter.
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
K2 so you can still operate radio while you are
putting the latest mods into your other K2.
4) You never USE the K2, you just build them
Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED]
Quote: Not within a thousand years will man ever fly!
-- Wilbur Wright, 1901
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