Gil wrote:
I built mine with 40/20m. So, you say filtering is better with the 4-band
board..
I should have waited and started with that, and the backlit option.
Now, if I buy a 4-band board, what am I going to do with my KFL2?
Any suggestions? I don't think it has resale value...
When I
Stan/AE7UT wrote:
...trying to convince myself I can build a K1.
Excellent choice! For twelve years K1 #175 has been my favorite QRP
rig. But PLEASE...seriously consider buying your kit with the
K1BKLTKT LCD backlight option BEFORE you begin building a K1. It was
not available when I bought
Tim wrote:
I'd like to limit the RIT range of my K-1 to about +- 500Hz.
ow, it is about +- 3KHz.
Try Gerhard's suggestion in the 2005 posting below. He changed FP-R4
and FP-R5 both to 56k and got +/- 700 Hz RIT range for his K1. I
believe others tried 47k and got something closer to +/- 1
A discussion of KX3 MF lack of sensitivity recently took place
on the KX3 list. The KX3 should not be considered really
usable below about 1500 kHz, as Wayne explsined:
Original Message (from KX3 list)
I thought there was some advantage to AM BCB reception
to be had with the KXAT3.
If a
And this exercise serves what purpose?
Mike / KK5F
Non-PhD
-Original Message-
From: Robert G. Strickland rc...@verizon.net
Sent: Jul 3, 2012 2:39 PM
To: Elecraft elecraft@mailman.qth.net
Subject: [Elecraft] OT - station pistol size
Hello, all...
I made a comment in another thread that
Any idea what the model designation is?
-Original Message-
From: Cameron Haines camhai...@yahoo.com
Sent: Jul 3, 2012 6:28 PM
To: elecraft@mailman.qth.net elecraft@mailman.qth.net
Subject: [Elecraft] Alignment and Test, Part II - No signal on TP3
Hey Guys,
Well, I am at the part where
Ron wrote:
The appeal of a J-38 is strictly nostalgic and, for me, it
works as well as any other straight key that I've touched.
These keys have some military historical value as well.
The J-38 was never in operational/combat theater use...it was
used only for US Army radio operator Morse
Don wrote:
I eventually acquired a BC-348 receiver that gave me all ham
band coverage plusa lot of extra frequencies.
At least, all ham bands that could be found within the 200 to
600 kHz and 1500 to 18100 kHz coverage of the BC-348 (aka
AN/ARR-11). This was the best military MF/HF aircraft
My K-1 quit (no TX, no RX)...
Originally set up for 7.000-@7.060; 14.000-@14.060.
That's a little unusual...with the standard narrow VFO span
option for RF-C2 of 82 pf the K1 will typically tune from
about xx.000 to xx.085 or so.
I removed and replaced the filter board. RX, TX fine
except
The jump happens at several particular frequencies on all
bands. For example, 7055, 7130; 14055, 14130. Manipulating
connections inside the case from the port to the board has no
effect. Jaring the rig has no effect. The jump seems to
only happen while tuning down the band. Pushing and
Tim wrote:
...I was able to find the problem as a bad connection on the
tuning pot.
Good going. It doesn't explain the original problem of no
transmit or receive, however, so that must have been an
entirely separate issue that may come back.
73,
Mike / KK5F
My K1 has developed a glitch. Sometimes, while tuning, the
displayed frequency will suddenly jump down about 10-15 kHz,
then return to the correct frequency...
The jump isn't caused by tapping the case, only moving the
tuning knob.
Check the solder connections on both ends of the leads
Hi Gil,
Welcome to the list, and congratulations on completing one of the best small
QRP sets ever designed.
What you report is normal. Each heterodyne crystal on the filter board will be
a few kHz plus or minus the nominal frequency of BAND LOW END plus 8.000 MHz.
So the OPF cal must be
So now, I get it on both x.047.5, great. My 40m band now
starts at 7,001.8 and 20m at 13,995.5
I see you need to shift the frequency coverage down a few kHz so you have full
40m coverage. That can ONLY be done one way, and the adjustment will shift the
coverage of ALL bands by the same
I reflowed the solder on K3, l11 and l12 on the 40/20 board
and I now have 20 meters!
So I need to look carefully at the 30/17 board now.
Good progress, Joe.
At least you didn't fall into the trap of thinking that when the filter board
coils had been peaked for receive that there was no
It looks I may be in San Francisco on business for close to
a week in the near future. Is it worth considering having a
KX3 shipped to my hotel and then working on it at night ?
Sure...just as long as you plan to be at that hotel for some time longer than
the current estimated order backlog
If you will entertain a suggestion from the primodial ooz...check everything on
the filter board at K3 (contacts 1, 4, 7, 10), L11, L12, C24, C25, and C26.
Check with ohmeter that ther is low ohm continuity between K3 contact 4 to 7,
and high resistance from those two contacts to ground. All
of the filter.board coils is far
more critical for transmit than receive. The receiver adjustments just get the
coils in the ball park...the transmitter adjustments are what count.
KK5F
-Original Message-
From: Mike Morrow k...@earthlink.net
Sent: Jun 11, 2012 8:44 PM
To: Joe McGerald astro_cr
The only path through the KFL1-2 that is not in common use for both bands is
the pre-mixer bandpass filter connections at P1/J6, where band 1 path goes
through pin 1 and band 2 path goes through pin 2. This suggests that you need
to check the RF board from J6-pin 2 back to U7 pin 5, including
I wrote:
...including the pin on the SA602 that is plugged in at the socket.
Ignore that part...U7 is soldered in...there is no socket.
Mike / KK5F
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As the prior poster has suggested, the RF board path from from P1 pin 2
to U7 pin 4 is suspect...
Not really. That's the band 1 path, for which satisfactory performance was
reported.
...as is the path between P1 pin 1 ans U7 pin 5.
Which, assuming the fault does not stem from the same
A K1, on 30m, narrow vfo, (80mhz) cal op, and b2 chosen to
be 10.1 however, when selecting the band, the display show
10, then 018, then 18.1. That leads one to think it is
working on 10.018.1 yet it is really on 10.118.1 The tx and
rx are correct.
You must select the B2 function in the
Fellow Morse fans,
I missed this short video announcement from gmail:
http://www.youtube.com/watch?v=1KhZKNZO8mQ
This came out in **very early April**. :-)
73,
Mike / KK5F
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I've had a couple of K1's but I am actually constructing my first one from a
kit. I need to decide whether to set the VFO range to 80 or 150Khz. I am
leaning toward the 150Khz because occasionally I like to go up to the slow
speed CW portion of 40 (7.110-7.125 Mhz) and also because it would
Are there any plans to extend the fm receive frequencies in either the K3
and/or the KX3?
The really useful coverage would be that from 140 to 150 MHz (or at least 142 to
150 MHz), transmit and receive, in order to support MARS operation. CAP, OTOH,
jumped on the homeland security deep-end
I have finally decided to give the KBAT1 I've had sitting here for a
while a try...
The bracket is fully down on the stop, but on the battery/switch side
the top cover will not sit flush. It seems the groove for the bracket
is not deep enough.
Before I break out the dremel or a file and solve
I wrote:
That also should be the depth measured from the top of the K1
left side plate to the top of that side plate's mounting screw
threaded assembly, which will rest in the KBT1 bracket notch.
Correct that statement! The distance from the top of the mounting
screw assembly to the top of
Ron wrote:
By 1980 receivers had grown very selective, but the fact was that a great
many ships still used a regenerative receiver as the backup in case the
main receiver was out of commission for some reason.
The auto-alarm (AA) receivers were also designed to be broad enough to detect
A2
Ron wrote:
By 1980 receivers had grown very selective, but the fact was that a great
many ships still used a regenerative receiver as the backup in case the
main receiver was out of commission for some reason.
The auto-alarm (AA) receivers were also designed to be broad enough to detect
A2
Curt wrote:
I bought a two-band filter for 1715, then used info posted circa 2006 on
this reflector to turn it into a 12M/10M board.
That's progress, and a more detailed post from you listing all the technical
details would be welcome.
So, no need to wait, the K1 can readily be put on 1210.
I wrote:
All I could wish for now is an official re-design of the KFL1-4's
40m/30m section for 12m/10m.
I'd order a high-band KFL1-4 the instant I heard of one being available.
The solar activity iron is hot for this minor product...and there are
about 3300 K1 units out there in need!
Enzo
After disconnecting the antenna, the S-meter still indicate a full scale
signal (all bars are on).
Can you tell if the receiver is detecting some sort of signal? Verify
that S2, the OPER/OFS TEST switch, is in the OPER position. In the
OFS TEST position it puts power on an intermediate
I see the problem was solved during the two days that I wasn't getting
any Elecraft list postings, during which I replied not knowing your
problem was resolved:
For the last component, surprisingly, I found it was missing!...
So I have installed the 2N7000 FET...
After completing a kit, it is
I couldn't figure out what Listings out of control was supposed
to mean, not even after reading the text. :-)
I have a K3 and I'm not interested in any message subject that
contains K2, K1, KX1, and so on.
How do you handle all the K3-related messages for which neither
the initiator nor the
I have used duel band dipoles too but found them harder to get set up
properly.
That's because they're fighting each other! [duel vs. dual, :-)]
I use a six-band resonant dipole for my (portable) operation. That's the
best thing I've found in 33 years of experimenting. But my version works
Another style 80/40m dipole was made using a 3-inch spacer of nylon
rope to disconnect the outer part the 80m dipole from the center 40m
dipole. A plain old alligator clip was used switch bands. Unclip
for 40m and reconnect for 80m...Makes a great portable antenna for two
bands (a lot
George wrote:
I have been powering my K1 with a 15 AH battery that I had on hand...
I'm looking for a small, light weight, rechargeable battery. What
AH battery should I be looking for if operating at 5W?
For more than ten years, I've used a sealed lead-acid battery of 4 to 5
Ah capacity.
Mike wrote:
First, have you used a direct conversion receiver?...
Now add that back end you mention. There is so much magic that can be
done there. Of course, its not really magic. Its digital signal processing.
...
Bottom line, its a very sound way to implement a rig these days.
This is a
Ken wrote:
...all of a sudden it sent a dah when it finished sending a dit.
Ron wrote:
Perhaps you inadvertently changed the keyer mode in the Menu. See 'Keyer
Setup' in your Owner's manual.
In this respect, the iambic mode most likely to exhibit this behavior
is iambic mode B, which when
Bill wrote:
For the trivial price Elecraft asks, it was a bargain for me.
I agree. The KNB1 is very modest in price. When someday the K1 is
discontinued, it may not be available for back-fit to older units.
If you don't buy the KNB1, you won't have the connector that installs
on the K1 RF
I really want a KX1, but would consider a K1...
KX1 = No 15 meter coverage (nor any band above 20 meters). That's bad for the
next
few years of solar activity.
K1 = Excellent 15 meter coverage. Excellent QRP band when open, as is now
common.
The 17 meter band is also available
Sandy wrote:
I am planning on trying CW for the first time on 60 meters on the new
channel 3 on 5358.5. Just hope the PACTOR stuff doesn't jump on that
channel and claim it.
That channel will likely become the favorite 60 meter frequency for the
several military and vintage commercial
The new FCC 60 meter band rules that were announced on 18 November 2012
http://transition.fcc.gov/Daily_Releases/Daily_Business/2011/db1118/FCC-11-171A1.pdf
have finally been published in the Federal Register today, 03 February 2012
I wrote:
The new FCC 60 meter band rules ...
have finally been published in the Federal Register today, 03 February 2012
http://www.gpo.gov/fdsys/pkg/FR-2012-02-03/pdf/2012-2477.pdf
That means they become effective 30 days from today, on 04 March 2012.
The Ordering Clause of the published
Did I miss the conversation about how the K3 will handle the rule
changes? Firmware update in the works, anyone, or do we have to
manually program all the weird mode offsets somehow ourselves, using
macros?
For my non-Elecraft HF rig, I just performed the obvious and simple.
I programmed
When I asked question awhile ago about building one for 40/20/1715, was
told the KFL1-4 requires that two of the bands be below 20M.
That's half-true only if one does not alter **any component values**! Duh!
Otherwise that statement was very incorrect at several levels.
The high band (20m,
Curt wrote:
Am planning build a KFL1-2 for 12 10M using some posts from late
2005 / early 2006 as guide. Would appreciate hearing experiences
of anyone else who has tried putting a K1 on 12 or 10.
I don't have any recommendations for this, but I would like to see a final
K1 product be a
If you own an iPad or an iPhone the 3DSUN application is FREE...
And for those who aren't followers of the Apple religion, the
Android version is 3D Sun.
These apps are from NASA Heliophysics. They should be free since
your tax dollars paid for them.
But they won't predict the second coming
That said, does anyone on the list know of a circuit that could step
up the voltage of the 12V LiPol cell to a regulated clean 13.8V
supply?
It would definitely have to be very clean, which probably means not
just well-regulated but also shielded. Switching regulators can be
12 W is nearly an S-unit stronger than 5 W.
Well, it's 3.8 dB vs. the 6 dB an S-unit requires, so if 60 percent
is **almost** as good as 100 percent I guess the quoted statement is
true.
I've played this radio game too, since the mid-1960s, and you can't BS a
BS'er! I've learned enough to know
It is damnably difficult to radiate *much* power on 600 meters unless
one has a lot of transmitter and real estate for antenna and ground.
The SCR-578 and AN/CRT-3 WWII 'Gibson Girl' lifeboat emergency hand-crank
transmitters (500 kHz, A2) and other later emergency lifeboat stations
typically
Ray wrote:
The whine is a steady continuous tone (perhaps at 800 or 900 cycles), not
popping, nor a low pitched oscillation and in fact I wondered if the
sidetone spot was on or if the key was down.
Have you checked that the small slide switch S2 for for the OFFSET TEST
adjustment
(on bottom
Don wrote:
The KAT2 (and KAT100) has 8 inductors and 8 capacitors to choose from -
in 256 steps. The KXAT1 has only 3 inductors and 3 capacitors - only 7
steps.
IMO, a better illustration of the tuning flexibility for the various
Elecraft tuners is gained by computing all possible legal
I wrote:
IMO, a better illustration of the tuning flexibility for the various
Elecraft tuners is gained by computing all possible legal *combinations*
of the relays that are used to switch the reactances. Almost all of
the resulting component configurations make sense, with only the relay(s)
Steve wrote:
My basis for my comments is backpacking. I ask those that are consider the
multi-mode operability of the KX3 as being the sole reason wideband receive
is not feasible and that an HT must be required to supplement that which the
KX3 does not cover if you have ever gone
Elecraft is still stating Late February for shipments to BEGIN.
Fortunately, February this year is extra long! :-)
Mike / KK5F
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Help:
If it's already capable of receiving VHF through 148 MHz, but doesn't make
that extra stretch to 155 or 162 (WX), I'll be disappointed, because for
adding just a little more coverage, this rig could fulfill a VHF scanner
role (and much municipal VHF stuff is between 148-162 MHz).
The real
Gary wrote:
I thought I would share my story of what happened over the holidays.
I took my K2 and a home brewed magnetic loop antenna. The mag loop is
about three feet in diameter and sits three feet off the ground...I
operated mostly 15 meters and some 17 meters at 5 watts QRP.
I'd suggest
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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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
Ed wrote:
I'd considered parting with the K1, but for now have decided to keep
the family together as we wait for the newest member !!
The K1 has demonstrably better RF performance in most particulars than the
KX1 for ham band CW operation, except for size, crystal-like stability,
and audio
Rick wrote:
Or from future historians who want to know how Elecraft became the ham
equivalent of Apple. ;-)
One must really, really hope not. If Elecraft's products and policies and
attitudes toward the customer reflected those of Apple, the purchaser wouldn't
even be allowed to open the
Wayne wrote:
It's KXPA100, though, not KPA100. The KPA100 was the 100-W amp
for the K2.
With the growing catalog of Elecraft products, it would be a great enhancement
to clarity were the model designation of various accessories that are particular
to one rig revised to contain the full base
Wayne wrote:
The KX3 will have about 30 dB better dynamic range than the IC-7000,
even without the roofing filter.
The IC-7000, like almost all Asian-origin HF rigs (including the FT-817)
also does NOT allow selection of iambic keying mode! They are all set
permanently for mode B.
The ICOM
FWIW, the prices and accessories to be offered for the KX3 are at
http://www.elecraft.com/Misc/kx3now.htm .
Now isn't that much more sensible than playing the kid's game of
telling someone to google it?
One wonders, however, how many pointlessly stupid postings will show
up on this
Here's 1!
No, it's already about number 15, in just a few hours!
This is the first new radio (other than a portable receiver) I have bought
new - ever (in 50 years of wanting to).
Great! But please...exactly **what value** is it to the list if each of
the several thousand purchasers of the
... is that K1 still available? If so, what firmware version does it have?
I don't mean to answer for John, but perhaps this is some useful information:
The firmware of the K1 front panel PIC hasn't changed since January 2001
(version 1.09), which would be earlier than K1 serial 589.
IIRC,
No, it's ... 5.000 - 9.003 = 3.997
and it's ... 5.500 - 9.003 = 3.497
Not in any universe with which humans are familiar. :-)
Mike / KK5F
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Help:
Fred wrote:
One big thing we ALL need to understand: As currently proposed, the
new CW and digital modes are also to be centered.
But only the CW signals are anchored on the channel center frequency.
All the others are anchored at the channel carrier frequency, which
may be 1.5 kHz below the
Don wrote:
Not all transceivers shift the transmit frequency.
Hi Don. I suspect that *most* rigs do NOT shift the transmit frequency
when changing from USB to CW. My ancient TS-50S does not. But that
has nothing to do with the issue.
The Elecraft K2 and K3 dial always indicate the carrier
Don wrote:
I actually was responding to a statement made in a post saying that most
transceivers shift the TRANSMIT frequency.
Hi Don. Well...er...that *might* have been me when I wrote:
When the transceiver is shifted to CW mode, the receiver frequency typically
remains 5357.0 kHz, while
Jim wrote:
Do I understand where the CW transmission actually is (600 Hz above dial
frequency)? Please explain.
No. As Don pointed out, most modern transceivers always show transmitter
carrier frequency in the display. On USB and LSB, that will also be
the receiver carrier frequency. On
Yesterday (18 November 2011), the FCC published its approval of changes to the
US
60 meter band.
http://transition.fcc.gov/Daily_Releases/Daily_Business/2011/db1118/FCC-11-171A1.pdf
Summary:
(1) Use of the existing 5366.5 kHz (carrier) is removed, replaced by 5357.0 kHz
(carrier).
(2)
I wrote:
(3) Three emission modes (CW, RTTY, Data) are authorized in addition to the
existing USB mode.
There's interesting detail about carrier versus center frequency in the *new*
Section 97.303:
---QUOTE---
(h) 60 m band: (1) In the 5330.5-5406.4 kHz band (60 m band), amateur stations
that will be unmolested by
contesters on weekends!
When is this supposed to appear in the Federal Register anybody know?
73,
Sandy W5TVW
-Original Message-
From: Mike Morrow
Sent: Saturday, November 19, 2011 2:13 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] US 60 Meter Band Changes Approved by FCC
Dave wrote:
The p.s. for this laptop is ideal. Regulated, 12.5 volts, 2.5 amps.
Double duty. There is only so much room in carry-on luggage.
Does it have a coaxial DC power plug of the proper size and wiring polarity
that allows it to serve either the computer or the K1 without a home-made
Stan wrote:
I'd like to offer the following Youtube demonstration to such listers
who might be interested.
http://www.youtube.com/watch?v=uWkpQ785Pjo
That is an interesting demonstration, Stan. I have a couple of questions.
It is stated that the VSWR was no greater than 1.4:1 on 40
Lee wrote:
I have just signed up to this list, so I have not seen this whole
thread, but I have to say that I am disapointed with what I am
hearing. I agree that hams should take pride in their sending, but I
also believe that hams should encourage new hams by helping them out,
not by
Noted last episode a Vibroplex or similar was used
to send a telegram or cablegram
http://beta.abc.go.com/shows/pan-am/jet-setter/104a-cablegram
I wonder if, by the early 1960s, there were **any** commercial
aircraft radiotelegrapher positions still used on US airlines. The
Element 7
I have a K1 with a 40/20 filter board. The receiver is much louder on 40. The
signals just jump out with plenty of audio. On 20 the signals are not as
strong. Every once in while I will hear a strong signal on 20.
During K1 alignment, all of the adjustments made on the RF board to peak the
Ron wrote:
...I would never suggest to a Collins fan that anyone matched
Collins' designs...
The Heathkit SB-series and the Collins S-line have some things that
were equivalent...they all used RCA phono plugs for RF connectors!
(A really cheap and poor design, justified IIRC so that the KWM-2
i intend to use my XV144 Xverter with a Kenwood TS-520.
The 520's frequency readout is analog, so not *that* precise.
Where in the TS-520 can i connect a Counter to read
the 10m frequency? Other solutions?
The Kenwood DG-5 has already been mentioned. That was the digital
display accessory
I wrote:
You can get the manual, with schematic and block diagram, to see how
the DG-5 used **three** outputs from the TS-520 to accurately show the
frequency...those are the DET, VFO, and CARRIER RCA connections on the
back of the TS-520.
I forgot to cite the link to the manual:
I wrote:
...that any HF ham rig would be used in an emergency has been vanishingly
small...
Wayne wrote:
A few years ago a ham in Oregon broke his leg hiking. He used a KX1 to
call rescuers. I'm not kidding.
That was W7AU in 2008. It was an impressive use of the KX1. Another party
of
My eleven-year-old K1 SN 175 is still my favorite QRP rig,
including service as a backpack rig.
For anyone considering the purchase of a new K1, there is one
absolutely most-important decision to make: Order the LCD
backlight! Even better would be for Elecraft to raise the K1
price a little and
Jessie Oberreuter wrote:
I, too, am looking forward to having a single rig that I can use for
HF-2m field ops, and would end up giving up the ATU for 2m.
I could easily do without two-meter capability on the KX3. About all I
(rarely) use VHF or UHF for is FM mode, and I like to be able to use
None of the arguments below will change anyone's outlook, but...
Wayne wrote:
The battery is very important; it makes the KX3 an all-in-one unit
that you can quickly deploy in an emergency, ...
In the 45 years I've been around ham radio, the probability that any HF
ham rig would be used in
Ray/W0PFO wrote:
I have acquired a K1-4 with normal tuning range. I would like to expand
that so I can to the slow-pokes portion of 40. If I understand
correctly what I have found so far - I need to replace C2 on the front
panel. Is this correct?
I too have used the 160 kHz VFO span
I wrote:
You will then need to use menu functions to change the band assigned to B2
from 10.1 to 10.0.
Actually, I got ahead of myself. This should NOT be done unless you change
the start of 30m band coverage of the KFL1-4 from 10.1 to 10.0 MHz. This is
done by changing crystal X3 on the
Don wrote:
It will not be necessary to change the CAL OPF menu settings unless a
crystal is changed on the 4 band board.
Of course you're correct, Don. Thanks. It just shows what I forget in the
years since I calibrated my KFL1-4. Still, it may be appropriate to check
and perform the CAL
I like **some** iambic keyers.
The important thing in any discussion of iambic keyers is WHAT MODE(S)
does it use. When an iambic dit-dash sequence is being sent, mode B
keyers send a dit if the paddles are released during a dash, or a dash
if the paddles are released during a dit. In
John wrote:
Being new to the QRP universe, I was wondering how backpackable a K1
is and if anyone does it.
The K1 is one of the best backpacking rigs that has ever existed. I've
owned one for almost 11 years. Backpacking or day hike use was the
reason I purchased one. The KX1 has somewhat
There are a number of documents that describe the U.S. Army in Vietnam
using the hand-crank-generator-powered, all vacuum tube, Morse only,
10-watt AN/GRC-109 HF station with a buried antenna. Here's a description
of a long-wire antenna in bambo tubes, 18 inches below ground:
Jack wrote:
I wonder whether it makes sense to offer anything more than screwdriver
kits where the purchaser does mechanical assembly and perhaps installs a
few through hole parts, such as connectors.
Indeed. SMD components are specifically designed solely for efficient
automated machine
Phil wrote:
For many years I've been using the classic shipboard style
with the CW and 'Phone silent periods marked.
They also have the 4-second key-closed, 1-second key-open markings
to help manually send the signals that trigger the auto alarm in
other vessels on 500 kHz.
Some also had a
I suspect that the mechanical/industrial and even electrical design of the KX3
must be pretty well set by now if there's to be any chance of it reaching market
before next year. Some of the recent suggestions would require design
alterations
that probably seem small to the suggester but would
Ron wrote:
It sounds like you have an unusual receiver in that SX-101...the
S-meter response to the RF gain control was one specific to that
receiver, not the general rule.
Phil wrote:
I had an SX-101 from 1961 through 1974. IIRC it was a separate
chain that was not affected by the AGC/RF
There's been a biblical flood of ***TWO*** such messages coming through
the qth.net server to the Elecraft list for the entire month of May.
[Go to http://mailman.qth.net/pipermail/elecraft/2011-May/date.html
to find two messages that have (no subject).]
This TOPIC has generated *much* more list
I am wondering what kind of filter it is as it certainly can't be a xtal
filter at this vy low frequency has to be some kind of software
controlled filter.
I think that I heard Wayne say at the Elecraft display in Dayton that they
were mechanical filters.
Mike / KK5F
Bob/AB5N wrote:
I guess I have come to the conclusion that nobody has really run the gamut
trying antenna designs for the KX-1.
And I guess I'd contest that statement. Testing portable HF antennas for
field and backpack use has been my principal ham interest for more than 30
years (but for
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