[Elecraft] KDVR3 "AF play" stucked
After recording for in excess of 90 seconds in my KDVR3/K3s, when I held "AF play" I repetedly got a message "end" that I could not get rid off for a while, even by turning the VFO B knob. Found no clue both in the manual nor the KE7X handbook. Finally after pushing a lot of DVR-related commands, it unlocked. Cannot figure out how this happened exactly. Maybe Waine had an idea? Is this a bug? 73, Christian __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] KDVR3 "AF play" stucked
After recording for in excess of 90 seconds in my KDVR3/K3s, when I held "AF play" I repetedly got a message "end" that I could not get rid off for a while, even by turning the VFO B knob. Found no clue both in the manual nor the KE7X handbook. Finally after pushing a lot of DVR-related commands, it unlocked. Cannot figure out how this happened exactly. Anyone an idea? Is this a bug? 73, Christian __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 Powers Off
Hi Mike, Did you check the powerpole connectors? On both sides: K3 and cable? I experienced such power down when I changed my original 13.8V cord against a self made one, shorter and with higher cross-section to avoid the voltage loss in the cable. But the insulation was bigger than the powerpole inlet. As a consequence the contact did fit completely to the edge. HTH, 73, Christian F1GWR Le 14 juil. 2018 à 01:24, Mike Furrey a écrit : > Suddenly my K3, upon touching the key will power off. When I power on, I can > make a contact or two and then off again. This started with three hours to go > in FD (operating 1D at home). Checking the archives it seemed it was a > thermal problem so I partially disassembled the radio, cleaned out dust and > reseated boards. I checked the p/s and swapped p/s and no change. The problem > is not band or antenna dependent. The radio is not even warm when this > happens. > > Any ideas before IARU contest starts tomorrow? > Thanks, Mike WA5POK > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to f1...@free.fr __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3S ELF 10KHz
+1 Christian F1GWR Le 23 mars 2017 à 05:21, wa9fvp a écrit : > Is it possible, maybe in the next firmware rev, to extend the bottom end of > the K3S down to 10KHz? > > > > - > Jack WA9FVP > > Sent from my home-brew I5 Core PC > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/K3S-and-VLF-tp7628247p7628423.html > Sent from the Elecraft mailing list archive at Nabble.com. > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to f1...@free.fr __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] Very short 80m antenna
Hi Vic, Please also consider the current "MAG LOOP ANTENNAS" thread on this list which fits your requirements as long as the loop is big enough (2 to 3m in diameter at least). 73, Christian F1GWR Le 22 janv. 2017 à 13:34, Vic Rosenthal 4X6GP a écrit : > Today I am limited to the bands from 7 MHz and up and I want to get on 80m. > My space is very limited, and in particular (due to the need to rotate my > existing dipole), there is no way to put up a vertical more than about 3m > high, and no room for radials longer than a few meters. > > But the location is 35m above the ground and it is possible to add another > rotatable horizontal dipole to my mast. > > So I am thinking about a 6m long dipole made of aluminum tubing. I have some > that is about 20mm in diameter. I will make capacity hats for each side to > add some end loading. > > Yes, I know the bandwidth would be very narrow. But I could live with a 3:1 > SWR bandwidth of 30 kHz. > > > I'm thinking about two possible configurations for loading coils: one coil in > the middle, or two coils, each about halfway down each side of the dipole. > > I know that two coils would produce a more efficient antenna. But the one > coil in the middle has two big advantages: it would allow me to feed the > antenna via an isolated link, which would solve the common-mode problem > without requiring a balun, and it would allow for easy tuning and matching. > > So what do you antenna experts think? One or two coils? Or is it just crazy > to expect anything from such a short antenna? > -- > 73, > Vic, 4X6GP > Rehovot, Israel > Formerly K2VCO > http://www.qsl.net/k2vco/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] (OT) MAG LOOP ANTENNAS
They are directional if you consider setting them vertically. If placed horizontally they are not. Which could be meant as an advantage especially if laid on an attic floor which is wider than high (a bigger loop gives you better results in lower bands). BUT if mag loops are set that way, they are said lossy if the ground is less than a quarter wave below. Why in an attic? Avoids wind load, aesthetic dispute with your neighbors, corrosion to the variable condenser and balun. Advice: if you build one yourself ALL electrical connections must be silver soldered (every milli Ohms is worth it) 'cause high currents (up to 50 Amps), and access to the antenna should be strictly forbidden during transmit due to high voltage (10 kV or so). See AA5TB's calculator. Not usually mentioned: this should merely be considered as a transmit antenna as your bandwidth could be as low as 2.5 kHz in lower bands. So NO panadapter with a mag loop. Just forget it. Without a panadapter of course reciprocity principle applies, but when you QSY, you quite soon won't hear anything until remote re-tuning the loop. Therefore, when in-band searching around or want to use a panadapter, you better may have a separate wideband receive antenna like Beverage or K9AY. But you're lucky: the K3(s) has a separate receive antenna input HI (just press "Rx ANT"). :) See also the very helpful paper by the guru VK5LT: www.brisdance.com/vk4amz/files/Download/UnderMagLoop.pdf HTH, Christian F1GWR Le 22 janv. 2017 à 04:19, Robert 'RC' Conley a écrit : > are they directional? > > -- > May You Live Long and Prosper > what's life without a few dragons > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to f1...@free.fr __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] K3s missing right channel in "nor xxx" mode / digital level too low - BUG?
Hi Al,
Thanks for your answer. Can't explain the logic behind this behavior. Would it
be a bug in firmware?...
Maybe this could be on the wish list then. For both requests ("nor" stereo AFX
*and* low digital level).
Santa's gone, but who knows?
Best 73,
Christian F1GWR
Le 30 déc. 2016 à 02:07, Al Lorona a écrit :
> Bon jour, Christian,
>
> Yes, your K3s is working correctly! On Line Out, only one channel. On Phones,
> both channels, including AFX.
>
> I have also wanted AFX in normal mode from Line Out, but it does not work
> that way. Too bad!
>
> Take care,
>
> Al W6LX
>
>
>
>
>
>
> - Original Message -
> From: C G
> To: Elecraft@mailman.qth.net
> Sent: Thursday, December 29, 2016 5:00 PM
> Subject: [Elecraft] K3s missing right channel in "nor xxx" mode / digital
> level too low
>
> My K3s/10 has no sub-receiver option. I use two speakers plugged in the rear
> jack that work perfectly. Firmware is up-to-date.
>
> Now two issues:
>
> In USB Audio (digital) or Line Out (analog), when setting the Config:Lin Out:
> - in "=phones" I receive (pseudo-) stereo in my computer, but
> - in "nor xxx" only the left channel remains. Is this on purpose or did I
> miss a setting somewhere ?
> I'd like to obtain pseudo-stereo AFX also in "nor xxx" mode (i.e. AF setting
> has no influence)
>
> Beside this, the digital level is too weak (-30 dB peak with AGC=on) in USB
> audio. Would it be possible to rise the output level to AES/EBU Broadcast
> Audio Standard, i.e. -18 or -20 dB (depending on countries), or even more, as
> dynamic is lower for speech and therefore headroom can be reduced without
> clipping consequences. That would mean additional A/D gain : +10 dB, + 12 dB,
> and maybe +24 or +30 dB boost for weak signals?
>
>
> 73,
> Christian F1GWR
> K3s 1087x
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to alor...@sbcglobal.net
__
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[Elecraft] K3s missing right channel in "nor xxx" mode / digital level too low
My K3s/10 has no sub-receiver option. I use two speakers plugged in the rear jack that work perfectly. Firmware is up-to-date. Now two issues: In USB Audio (digital) or Line Out (analog), when setting the Config:Lin Out: - in "=phones" I receive (pseudo-) stereo in my computer, but - in "nor xxx" only the left channel remains. Is this on purpose or did I miss a setting somewhere ? I'd like to obtain pseudo-stereo AFX also in "nor xxx" mode (i.e. AF setting has no influence) Beside this, the digital level is too weak (-30 dB peak with AGC=on) in USB audio. Would it be possible to rise the output level to AES/EBU Broadcast Audio Standard, i.e. -18 or -20 dB (depending on countries), or even more, as dynamic is lower for speech and therefore headroom can be reduced without clipping consequences. That would mean additional A/D gain : +10 dB, + 12 dB, and maybe +24 or +30 dB boost for weak signals? 73, Christian F1GWR K3s 1087x __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3s and ICOM IC-2KL
Hi German, Today the second-hand 2KL+2KLPS+AT500 arrived by post. Am under way cleaning and checking the whole set. Later on, must check ALC's compatibility. Now, have to build: - a balun, because my sole present antenna is a Levy a.k.a. Zepp with a 300 ohms symmetrical feeder, - a PA driver, as the 2KL is supposed to be driven by around 80 W, and my K3s is a 10W version. Found some hackable PCB's on epay, adaptable to use my stock power FET's. - an automatic band switch interface, as the K3s outputs BCD, where the 2KL/AT500 are voltage driven. Already mounted a BCD decoder kit that I most probably will link to the 2KL A/D converter **outputs** for reliability reasons, by means of a diode matrix (+ DIL switches for configuration of various antennae including multiband.) Do you have issues with your Elecraft + Icom configuration? Christian F1GWR Le 16 nov. 2016 à 05:26, German Duran a écrit : > Hello Christian: It gives me great joy to know that someone has the same > concern about combining the K3s with the 2KL and the AT 500. I will be very > attentive to any communication from you about it. Merci beacoup. German HK3J > > > El mar., 15 nov. 2016 8:22 p. m., f1gwr escribió: > Just under way buying one 2KL+PS+AT500. Expect to find some way to control > them with my K3s. > Will let you know if this is your concern. > 73 > Christian F1GWR > > Le 23 oct. 2016 à 05:18, German Duran a écrit : > > > Someone works the K3s with the ICOM IC-2KL amplifier? > > Best regards for all. > > German HK3J > > __ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:Elecraft@mailman.qth.net > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > Message delivered to f1...@free.fr > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
