Re: [Elecraft] Operating temperature range ( second attempt)

This may not be applicable to the K3 but I have used the K2 below 32 F. My K2 has the 100 watt amp with a built in fan. The fan got confused and stayed on. The algorithm to adjust the fan speed did not understand a negative Celsius temperature. With the fan blowing my fingers got pretty

Re: [Elecraft] Operating temperature range ( second attempt)

You should directly contact the Elecraft factory for this. However, as I recall, the K3 and KX3 are designed to operate over an operating temperature rating: 0 – 50 °C. 73, Bob Nobis - N7RJN n7...@nobis.net > On Mar 29, 2016, at 21:20, Igor Sokolov wrote: > > There were

Re: [Elecraft] [K3] Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?)

Unfortunately the guys who wrote the rules failed to understand the physics and the math. They were WRONG, and it is a misconception under which we have been laboring for as long as I've been a ham. It was Henry Ott who woke me up to this when I took his 3-day class on EMC around 2003-4. Henry

[Elecraft] Operating temperature range ( second attempt)

There were no responce to the initial message so I post it again: I have both K3 and KX3 and I sometimes use them outside in a field operation. Here in Russia we have one funny QRP contest called "Frost-red nose" where extra points are given for low temperature environment during field

Re: [Elecraft] [K3] CW Speed & bandwidth (was Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?))

On Tue,3/29/2016 1:03 PM, Vic Rosenthal 4X6GP/K2VCO wrote: The relationship of bandwidth and speed is that for given rise/fall times, increasing speed will reach a point when the code elements blur together. Yes, but that's RX bandwidth, VERY different from occupied bandwidth. The issue is

Re: [Elecraft] Battery requirements for NPOTA activation withKX3/KXPA100

I have experimented with LiFePo4 batteries feeding KX3/KXPA100 in contest environment where duty cycle is about 50% for TX. For SSB the current draw is a bit higher then for CW. 25Ah battery lasted 4 to 4.5 hour with 100 W in the beginning and dropping to 50-60W out in the end of the cycle. For

Re: [Elecraft] OT: Decoding high speed CW

USN still has the CTR rating and teaches Morse Intercept Ops at Corry Station, Pensacola, Florida. http://www.navy.mil/submit/display.asp?story_id=92864 Prior to being located at Corry, Morse Intercept Ops (CTR's) were trained at Fort Devens, MA. I attended Manual Morse Radio Op School

Re: [Elecraft] IC-7300 video - things to come

As far as I know, touch-screens cannot be easily be navigated by unsighted operators. How would touch-screens be implemented in keeping with Elecraft's promise to allow handicapped operators full access to the operation of the Elecraft line of products? 73, Don W3FPR On 3/29/2016 8:50 PM,

[Elecraft] Things to Come

I was about to reply to a couple of posts on the UI topic when I read Eric¹s post (below), which makes a point I would underscore. Since many of us (not surprisingly) share aviation and hence avionics experience as well as amateur radio, that experience may be useful in reflecting on the topic of

Re: [Elecraft] OT: Decoding high speed CW

I took 3 FCC code exams: the 5wpm for my novice in 1973, and years later, the 13wpm for the Advanced and the 20wpm for the Extra. But ironically, I think the FCC removing the code requirement was a good thing for CW in amateur radio. Now that people aren't forced to learn it and have to use it,

[Elecraft] K3 & K3S are GREAT radios!

Gary, Congrats on working VK0EK on 160M with your K3S. Yes, it is a great radio. I'm using the K3 with the synthesizer upgrades made to both main and sub receivers. A few weeks ago I worked a super pee weak 4S7BRG on 40M for #313 on that band with 100 Watts and a wire antenna. When the rare

Re: [Elecraft] OT: Decoding high speed CW

In a desperate attempt to make this subject at least vaguely on topic, note that future CW use is important to the future requirements for ham radios. If new hams aren't interested in CW, then good support for CW will become less important, particularly as older ones leave the hobby. There

Re: [Elecraft] Trouble shooting the K3

So what is the problem? The company owners (designers) frequently answer questions here. There is no better source for help than here. Sent from my iPhone ...nr4c. bill > On Mar 29, 2016, at 9:12 PM, "kev...@coho.net" wrote: > > Thanks. I read the manual and found it did

Re: [Elecraft] [K3] CW Speed & bandwidth (was Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?))

I thought the Enterprise was lost at the battle of the Coral Sea. Must be some sort of time looping going on here. Kevin. KD5ONS On 3/29/2016 6:52 PM, Dave Cole wrote: On Tue, 2016-03-29 at 17:42 -0700, Fred Jensen wrote: Like trying to drive faster than light, discarding angular

Re: [Elecraft] OT: Decoding high speed CW

I know about KSM, but that isn’t a commercial enterprise or even a nonprofit full-time job. My dad volunteered as a blacksmith some weekends at the old Texas exhibit at the Fort Worth Zoo. But it wasn’t a job. He really enjoyed it. wunder K6WRU Walter Underwood CM87wj

Re: [Elecraft] [K3] CW Speed & bandwidth (was Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?))

On Tue, 2016-03-29 at 17:42 -0700, Fred Jensen wrote: > Like trying to drive faster than light, discarding angular momentum, > or resigning from Linked-In. WHAT!!  I know you are wrong here, else the Enterprise could not work! -- 73's, and thanks, Dave (NK7Z) For software/hardware reviews see:

Re: [Elecraft] OT: Decoding high speed CW

Ron wrote: > In the 1950's the U.S. 2nd class commercial Radiotelegraph license exam > required 20 wpm sending and receiving. Receiving was 5 character random > groups that included all punctuation and most of the special characters you > see above the numbers on a keyboard. After 6 months of sea

Re: [Elecraft] OT: Decoding high speed CW

On 3/29/2016 5:49 PM, Walter Underwood wrote: > As far as I can tell, Morse is entirely a hobby now. Maritime radio > stopped monitoring Morse on 12 July 1999. I did some searches and I > don’t think the US military offers a Morse skill rating now. Manual Morse is still alive in the Maritime

[Elecraft] Attaching a whip to the KX3, HT-style or table-top (right angle)

Hi Gerry, If I'm using the rig HT-style (/PM, or pedestrian mobile), I just connect the whip directly. The KX3's BNC connector is rigidly attached to the right side panel, with a D-shaped bushing so it can't rotate, and a flexible wire from the BNC's hot lead to the PCB. So you won't hurt

Re: [Elecraft] Trouble shooting the K3

Kevin, And your problem is?? 73, Phil W7OX On 3/29/16 6:12 PM, kev...@coho.net wrote: Thanks. I read the manual and found it did not apply to my problem. I am pursuing other avenues. Kevin. On 3/29/2016 6:07 PM, Nr4c wrote: Actually there is a section in the manual. But most people

Re: [Elecraft] Trouble shooting the K3

Thanks. I read the manual and found it did not apply to my problem. I am pursuing other avenues. Kevin. On 3/29/2016 6:07 PM, Nr4c wrote: Actually there is a section in the manual. But most people just ask here. A lot easier than reading a book. Sent from my iPhone ...nr4c. bill On

Re: [Elecraft] Trouble shooting the K3

Actually there is a section in the manual. But most people just ask here. A lot easier than reading a book. Sent from my iPhone ...nr4c. bill > On Mar 29, 2016, at 7:23 PM, "kev...@coho.net" wrote: > > Is there a trouble shooting manual for the K3? I know there was one for

Re: [Elecraft] IC-7300 video - things to come

As a private pilot I fly with a Garmin GTN750 touch-screen GPS NAV/COM in a Cessna 182. Its powerful and quite intuitive to use, even in turbulence. (They included ridges along the four screen sides when needed to steady your hand.) It actually reduces the amount pilot load and time spent

Re: [Elecraft] OT: Decoding high speed CW

As far as I can tell, Morse is entirely a hobby now. Maritime radio stopped monitoring Morse on 12 July 1999. I did some searches and I don’t think the US military offers a Morse skill rating now. You can make a living blacksmithing, but not with Morse code. This takes nothing away from Morse

Re: [Elecraft] OT: Decoding high speed CW

I may be wrong and it wouldn't be the first time but I think the Navy still teaches pilots Morse code. On 3/29/2016 7:34 PM, lstavenhagen wrote: So... this may be too far OT and forgive me for being ignorant, but I'm genuinely curious. Is Morse used at all anymore in any commercial or military

Re: [Elecraft] [K3] CW Speed & bandwidth (was Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?))

Ummm ... not exactly true but not exactly not-true either. Occupied BW is a function of bit-rate [well, technically, number of signal transitions in a unit time, but they're closely related]. Fairly basic physics ... or I guess that's information theory now. The faster you send, the wider

Re: [Elecraft] OT: Decoding high speed CW

So... this may be too far OT and forgive me for being ignorant, but I'm genuinely curious. Is Morse used at all anymore in any commercial or military enterprises? Or is amateur radio "it" for CW these days? I honestly don't know if we're the only ones left using it on planet Earth or not LS

Re: [Elecraft] OT: Decoding high speed CW

On 3/29/2016 4:45 PM, Ron D'Eau Claire wrote: > In the 1950's the U.S. 2nd class commercial Radiotelegraph license exam > required 20 wpm sending and receiving. Receiving was 5 character random > groups that included all punctuation and most of the special characters you > see above the numbers

Re: [Elecraft] ERR KEY

I think it's directly proportional to the amount we spend on said device. If we spend a lot for it, the the expensive doo -dad must be at fault when things hit the fan. Couldn't possibly be the software. N1MM+ is a great piece of software used by thousands and the price is free, gratis,

Re: [Elecraft] OT: Decoding high speed CW

I ordered a LP-Pan 2 and the requisite accessories. I also installed MorseRunner and am attempting to improve my speed. Thanks everyone for your help. On Tue, Mar 29, 2016 at 7:45 PM, Ron D'Eau Claire wrote: > In the 1950's the U.S. 2nd class commercial Radiotelegraph license

[Elecraft] KX1 for sale

Hello, I am posting this for a friend of mine. Please read the body below and respond to his email. Thank you for the bandwidth!! 72 Ron WB3AAL v v v v v v v v v Read Below v v v v v v v v v v v v v v v v v v v v KX1 with 80/30m module and Auto-tuner installed, with manual. S/N 01644,

Re: [Elecraft] OT: Decoding high speed CW

In the 1950's the U.S. 2nd class commercial Radiotelegraph license exam required 20 wpm sending and receiving. Receiving was 5 character random groups that included all punctuation and most of the special characters you see above the numbers on a keyboard. After 6 months of sea duty as an

[Elecraft] Trouble shooting the K3

Is there a trouble shooting manual for the K3? I know there was one for the K2 but cannot find one for the K3. If one exists where can I find it? 73, Kevin. KD5ONS __ Elecraft mailing list Home:

Re: [Elecraft] Battery requirements for NPOTA activation with KX3/KXPA100

SSB is low duty cycle. Even if you have processing cranked way up, with 80 watts out peak, your average power won't be any where near this level. And you do have to stop talking and listen, fetch a beverage, visit the nearest shrubs, right? :) I think you'd easily do 6 hours with what you have

Re: [Elecraft] Battery requirements for NPOTA activation with KX3/KXPA100

I've looked at this too, given that I'm /P almost 100% of the time now and have considered various QRO options. Unfortunately, I've yet to find a QRO solution that doesn't involve something semi-permanently mounted in my truck. Either a deep-cycle AGM or a high capacity LiFEPO4 in the spare

Re: [Elecraft] IC-7300 video - things to come

A couple of airline crashes have been blamed on the pilots being unable to touch the right spots and read the "gages" in modern all-glass cockpits when the aircraft was experiencing severe turbulence or vibration from engine problems. And they happened while one pilot was able to concentrate (as

Re: [Elecraft] IC-7300 video - things to come

Earl wrote: "Try using a touchscreen in a light aircraft on a bumpy air day and you will learn to hate a touch screen."  Earl, K4KAY Those of us who have aging, shaky hands don't even need the turbulence,  our own brains conspire to make touch screens difficult to operate.   The "soft

Re: [Elecraft] IC-7300 video - things to come

Earl wrote: "Try using a touchscreen in a light aircraft on a bumpy air day and you will learn to hate a touch screen." Earl, K4KAY Or in a Jeep Grand Cherokee on a busy highway at rush hour. I hate Chrysler's U-Connect screen. I used to be able to count (think braille) the knobs

Re: [Elecraft] Battery requirements for NPOTA activation with KX3/KXPA100

Councilor: LOL if you are looking for precise information from imprecise data. Best I can do is a WAG. If you take your ah rating say 36 and multiply by the battery voltage say 12, we have 432 watt hours. Divide by 2 to account for efficiency losses and we have 216 wH and finally divide by

Re: [Elecraft] Battery requirements for NPOTA activation with KX3/KXPA100

I think you'll draw a lot more than 8A at 100 watts. Also note that to get 100 watts from this setup will require a bit more than 14 volts I think. I ran my PS at 14.5 or better to make it. YMMV! You're gonna get a lot responses on this query, so be prepared. Your best friend here is going

[Elecraft] Battery requirements for NPOTA activation with KX3/KXPA100

Hi folks, I know this has been asked and discussed before but I can’t seem to get a handle on a clear-cut answer … I am going to do a SSB NPOTA (National Parks on the Air) activation with my KX3/KXPA100/PX3 on battery power. It has been in the works for a while with a special use permit

Re: [Elecraft] IC-7300 video - things to come

In my mind, I have a totally different picture of this. I don't see a panadaptor, or windows, or pop-ups. I see a front panel that looks very much like a KX3 or a K3, with buttons drawn on the touch screen. I see some ability to "turn off" buttons that I would never use, and make other

Re: [Elecraft] [K3] Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?)

>> On 3/29/2016 10:38 AM, Jim Brown wrote: WRONG! CW speed has NOTHING to do with bandwidth, which is determined by RISE and FALL times of the keying waveform and distortion in the RF stages. The standard word "paris" has 48 elements. That makes the baud rate for CW (48/60) x WPM or 0.80 x

Re: [Elecraft] IC-7300 video - things to come

For me, even if touch-screen UI's were written for old people like myself, hi hi, I still think its a technology in its infancy. The infantile part of it being primarily in its application, not so much just the mere fact that TS technology itself new and still in "1.x" revisions. When Garmin

Re: [Elecraft] K3, KX-1 Inductors - OT

OT... but my mother, back in 1942, after divorcing her abusive Ex (One of the main architects of the Golden Gate Bridge), bicycled by herself from Philly to Key West, by herself, took a ferry to Cuba, bicycled around the island for a month before returning to the mainland to take the train

Re: [Elecraft] [K3] CW Speed & bandwidth (was Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?))

The relationship of bandwidth and speed is that for given rise/fall times, increasing speed will reach a point when the code elements blur together. So you need more bandwidth for super high-speed CW because you need to shorten the rise and fall times. But the occupied bandwidth doesn't

Re: [Elecraft] K3, KX-1 Inductors

Well, 5 replies reported no problems with coil wires breaking during transport, while none reported a problem. I guess with all the zillions of K3's etc. traveling around, we would know if there were problems. I'll let you know in a few months what a few thousand miles by bicycle does to my

Re: [Elecraft] [K3] Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?)

On Tue,3/29/2016 11:28 AM, Lynn W. Taylor, WB6UUT wrote: On 3/29/2016 10:38 AM, Jim Brown wrote: WRONG! CW speed has NOTHING to do with bandwidth, which is determined by RISE and FALL times of the keying waveform and distortion in the RF stages. So, I can occupy zero bandwidth at 10,000 wpm CW

Re: [Elecraft] IC-7300 video - things to come

I'm not the one here with the most money, I'm absolutely positive of that, but that said; I can buy any rig I want and the dollars spent wouldn't in any way affect me, or anything I do in the future. I just bought a K3S because of the many things it represents but I'm not a martyr to buy

Re: [Elecraft] IC-7300 video - things to come

Try using a touchscreen in a light aircraft on a bumpy air day and you will learn to hate a touch screen. Earl, K4KAY -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Barry N1EU Sent: Tuesday, March 29, 2016 10:13 AM To: Elecraft Reflector Subject:

Re: [Elecraft] [K3] Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?)

On Tue,3/29/2016 10:13 AM, Edward R Cole wrote: CW actually has bandwidth though at 5wpm probably not measurable WRONG! CW speed has NOTHING to do with bandwidth, which is determined by RISE and FALL times of the keying waveform and distortion in the RF stages. I strongly agree that

Re: [Elecraft] IC-7300 video - things to come

I may have missed something in this discussion but I question what is different from using a touch screen or the buttons on the radio as we have now? I operated a considerable amount of time in the WPX SSB test last weekend using a K3 and about all I ever changed was the tuning knob and the

[Elecraft] K3 FOR SALE

FOR SALE K3/100 watts One of the latest production, serial 8915 - 2.7 kHz 5-pole SSB/CW filter - KSYN3A from factory (the new synth which is shipped with all K3S radios) Non-smoking environment, no pets, no kids and always used as a base station -- not mobile. Purchased directly from Elecraft

Re: [Elecraft] OT: Decoding high speed CW

Excellent points, IMO. I took both types of code tests. For my novice in 1973 when I was 10 years old, it was the random groups at 5WPM format. IIRC, I achieved the 1-min-solid-copy requirement by some miraculously slim margin. It was something like 2 or 3 characters and I remember being extremely

Re: [Elecraft] [K3] Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?)

I thought the best way to drive an amplifier was to increase drive until output no longer increased proportional to input; eg output increases 3-dB with an 3-dB increase in drive is linear. Isn't the point the increase drops 1-dB the upper limit? That is how I determine best drive level on

Re: [Elecraft] OT: Decoding high speed CW

LD, That is why it was so hard to pass the CW tests back in the 1950's taking before the FCC because the test did not have any real words. The entire 5 minute code test was five random character groups, not all of which were letters or numbers and you had to have one minute perfect copy to

Re: [Elecraft] IC-7300 video - things to come

Bill, Your comment is appreciated. I am in your camp but we are a bit older and happy with our current campfire. Younger hams and new hams might be very engaged with a touchscreen interface. The “over $8 K” product managers seem to have peaked lately in their “plethora of knobs" approach to the

Re: [Elecraft] [KX3] Re: Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

On Tue,3/29/2016 8:28 AM, Bruce Nourish wrote: I'm always terrified of losing the thumbscrew in the grass. Easily solved. Method One: Put spade lugs on one end of the wire(s) that you rig for counterpoise, loosen the thumb screw, and slide them under. Method Two: Put a spade lug on a short

Re: [Elecraft] [K3] Tokyo Hy-Power HL-1.2KFX amp interfacing (to ALC or not to ALC?)

I have a THP HL-1.2KFX that I used before the acquisition of my K3. It is a reliable and resilient amp and I have had the ALC connected to the K3 for a year. However I tend to take Don Wilhelms advice and there have been times when the ALC and SWR inputs to the AMP’s logic seem to fight each

Re: [Elecraft] IC-7300 video - things to come

Touch Screen... No thank you. I get the allure but ergonomically its going to be miserable the older we are. If you're reaching up to touch a screen, try doing that for a contest's worth when you have shoulder issues. If you don't have them now, you will after the contest is over. Have a

Re: [Elecraft] [KX3] Re: Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

How about putting a grounding lug on the chassis BNC? http://www.amphenolrf.com/031-10152-rfx.html wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Mar 29, 2016, at 8:28 AM, Bruce Nourish wrote:

Re: [Elecraft] [KX3] Re: Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

I'm always terrified of losing the thumbscrew in the grass. I wish MFJ made these with a built-in right angle and a binding post, or even just a bolt and a wing nut, at the base. On Tue, Mar 29, 2016 at 8:21 AM Wayne Burdick wrote: > Use one of the KX3's thumbscrews. We

Re: [Elecraft] [KX3] Re: Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

Use one of the KX3's thumbscrews. We relieved the paint on the chassis at these points so you can use them for counterpoise wires or ground. Wayne N6KR On Mar 29, 2016, at 5:14 AM, "Barry N1EU n1eu.ba...@gmail.com [KX3]" wrote: > > Probably a dumb question, but

Re: [Elecraft] IC-7300 video - things to come

yep, I totally agree. This would be a TBD item for a UI designer, IMO: to what degree do we actually replace the tuning knob with touch-screen QSY? Do we make it capable of just getting into the neighborhood and then the user has to fine tune with the tuning knob? I.e. a kind of dual-capability

Re: [Elecraft] Things to Come

Great post, IMO. One of the takeaways we could have from aviation is the notion of cockpit resource management (CRM), part of which is the idea that technology should reduce the workload of the pilot rather than increase it. Or, if there is an increase, it involves a reduction somewhere else (that

Re: [Elecraft] IC-7300 video - things to come

The IC-7300 display has hideous resolution. It can't even trace curves, just a bunch of bars. Reminds me of the original 2002 Orion sweep display. Whatever Elecraft does going forward, please go to the highest resolution screen that is available and have the horsepower to draw a beautifully

Re: [Elecraft] IC-7300 video - things to come

Wayne and Eric are probably already aware of the competition and working on their own responses, but to me the UI advances I personally like are: - visual representations of the band: panadapters with spectrum displays, waterfalls and the like - being able to easily QSY to items of interest on

Re: [Elecraft] IC-7300 video - things to come

Interesting discussion. I'm not (yet?) a touchscreen fan for radio control, especially during a contest. That being said (cough, cough), I am lately having some fun designing my own touch screen interface for an ANAN-100D. Someone came up with the software glue to recognize and map any midi

Re: [Elecraft] ERR KEY

Same ole thing... Always, always, always rule out ALL the programs and stuff ATTACHED to the K3 before tearing apart your K3. The vast majority of "K3 problems" have nothing to do with the K3. I'm sure that some day some smart psychologist will explain why we continue to do that, all evidence to

[Elecraft] FS: K3/100 [Price Reduced]

It is in great shape and fully functional to original specs and has been well maintained over the years with all known official mods and updates applicable to this serial number. Additionally, it has the new and improved synthesizer board(KSYN3A) and Interface module (KXV3B) installed (Same

[Elecraft] Things to Come

It may be that part of amateur radio equipment¹s future is already here, and clearly so in avionics (i.e. the electronic display and control interfaces for navigation, communication, and aircraft performance.) One major feature is the ³softkey² - a mechanical button with no exclusive function but

Re: [Elecraft] IC-7300 video - things to come

In a contest, particularly a serious effort at a weekend long contest, the constant reaching from the keyboard to the front of the rig to operate a touch screen presents a repetitive motion problem whose outcome is anywhere between tired and injured. This is why many people use the keyboard to

Re: [Elecraft] IC-7300 video - things to come

Cars went through the patch where everything moved onto touch screens. Ergonomically, that is a really bad choice. Newer cars are moving back to having twist controls and buttons for some things that were tried as touch screen controls. The correct answer is to have common features using real

Re: [Elecraft] Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

I think some people mount them under one of the thumb screws — but it seems to me a lot simpler to just use a large enough alligator (or blunt nosed) style clip on the end of the radial wire. Clip it right to the metal shell of the male BNC. Grant NQ5T K3 #2091, KX3 #8342 > On Mar 29,

Re: [Elecraft] OT: Decoding high speed CW

Here's one more excellent resource: http://lcwo.net/ The site was developed by Fabian, DJ1YFK, one of the 2 guys who broke the 200 WPM mark with RUFZ. If anyone is interested and attending, I will be speaking about the IARU High Speed Telegraphy World Championship at the ARRL Rocky Mountain

Re: [Elecraft] Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

Probably a dumb question, but any suggestions on how to connect counterpoise wires using the MFJ-1820T? The loaded whip terminates in a male BNC, which I assume is intended to connect directly to the KX3 antenna jack. It's not obvious to me how to add counterpoise wires??? Thanks & 73, Barry