Re: [Elecraft] SSB net cancelled for Sunday, March 30, 2014
And instead, use your Elecraft radio to work some guys in the contest. A lot of them will be using Elecraft radios as well! 73 - Jim K8MR -Original Message- From: Phil Shepard ph...@riousa.com To: elecraft elecraft@mailman.qth.net Sent: Sat, Mar 29, 2014 11:34 pm Subject: [Elecraft] SSB net cancelled for Sunday, March 30, 2014 The WPX Phone contest running this weekend will make operating our net challenging, so let’s take the week off. If we had more big gun powerhouse stations, we might be able to stand up to the QRM. We have a few, but we also have a lot of QRP check-ins. Have a great week and we’ll see you next Sunday. 73, Phil, NS7P __ 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] Transporting Lithium Batteries
It is worth noting DOT regulations for transporting lithium ion batteries by air: http://safetravel.dot.gov/whats_new_batteries.html Basically Lithium Ion batteries not installed in equipment may not be carried in checked luggage. There are some limits on what and how many may be carried in carry on luggage, but those limits should not affect the batteries one would normally use with a KX3. 73 - Jim K8MR __ 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
Re: [Elecraft] KX3 doesn't like sand
This is why when I operated from the beach in Punta Cana as HI/K8MR in the 2014 ARRL and CQ CW DX contests, I took care to tape over all unused connectors, the seam where the two halves hinge together, and the speaker (I was using ear buds). While I did not do so, it might also be good to put some clear tape over the LEDs that stick through the front panel. I then placed the radio inside a large ZipLock bag, open only enough to let the cables pass through. I used the dial lock when possible, and either tuned through the bag, or cheated a bit and opened the bag to get at the controls. I imagine salt would be even more destructive than sand. 73, Jim?? K8MR -Original Message- From: Dominic Baines lt;dominic.bai...@ntlworld.comgt; To: elecraft lt;elecraft@mailman.qth.netgt; Sent: Mon, Feb 3, 2014 2:04 pm Subject: [Elecraft] KX3 doesn't like sand Was operating off Southwold on the beach Saturday and wind blown sand got into my KX3 #1082... only solution was qrt and disassemble and clean when got it home. http://m1kta-qrp.blogspot.co.uk/2014/02/southwold-2014.html No lasting damage it would seem but took ages to get rid of all the sand grains. Warning be careful about wind blown sand especially as it will get in through all the openings. 72 Dom M1KTA __ 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
[Elecraft] KX3 - VOX Delay with CW in SSB mode
With the ARRL VHF contest coming up, I'm still waiting to hear if there has been any progress in getting a delay in the PTT output, vs. full breakin only, when using CW in SSB? When driving a (non-Elecraft) transverter, one needs some delay in the circuit that keys the transverter. The delay time used in straight CW would be fine. 73 - JimK8MR __ 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
Re: [Elecraft] CW Pitch Resolution
It's pitch differentiation. 100 Hz away from 750Hz is a lot closer in pitch than is 100 Hz away from 400 Hz. 73 - Jim K8MR In a message dated 10/19/2013 5:36:58 P.M. Eastern Daylight Time, alor...@sbcglobal.net writes: When I was a kid 750 Hz was the most popular sidetone frequency. I have noticed a steady decrease in the consensus spot frequency over these 40 years. I don't know why. Maybe it has to do with hearing loss. Too many 'The Who' concerts. __ 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
[Elecraft] [KX3] VOX Delay with CW in SSB
I posted a query a few weeks back but neglected to say for which radio. The KX3, FW 1.61, with CW in SSB seems to allow only full break-in operation. This is a problem when using a transverter or amplifier not designed for break in. Am I missing something, or is this in need of an FW revision? I would think using the CW delay times when transmitting CW in SSB would make the most sense. (If CW was set for zero delay, full break-in would still be available). 73 - Jim K8MR __ 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
[Elecraft] KXPA100 Interfacing
Looking over the KXPA100 order information, I wonder, what is controlled via the RS232 jack (with the KXUSB cable), and what is controlled via the Ethernet jack/cable? Are the two jacks on the mid-cord box in the KXPACBL essential to operation of the KXPA100 with a KX3? Or are they for use with other transceivers? Bottom line, is the KXPACBL essential to be able to use the KXPA100 with the KX3? Also, is the KXPA100 manual(s) available on the website? 73 - Jim K8MR __ 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
[Elecraft] VOX Delay with CW in SSB
It appears that in CW in SSB mode, the VOX delay is not in use, only full break in. Keying the microphone overrides the CW in SSB, which makes sense. Have I missed something? I want to use CW in SSB with VHF transverters, whose relays don't work so well with full break in. 73 - Jim K8MR __ 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
[Elecraft] KX3 CW Key Options
I'd like to repeat a feature request: The option of NONE for CW KEY2. This would allow use of a mono plug to send external CW. A few days ago I went to drop my KX3 into the position I normally use with a rig that uses a mono 1/4 key plug. Even with an adaptor to 1/8, it wouldn't work because the shell on the mono plug keyed the ring on the KX3 KEY2 input. While at it, allowing independent selection of TIP=DOT on CQ KEY1 and HAND on CW KEY2 (and vice versa for lefties) would allow bug operation, which I have seen requested by others. Thanks 73 - Jim K8MR __ 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
Re: [Elecraft] KX3 CW Key Options
There are many very functional radios out there that use a mono key jack. In my case, the IC-746. Most keyers have their output as a mono RCA jack. The K1EL USB WinKey and the W9XT Unified Microsystems XT-4 are two such examples. A readily available mono RCA to 1/8 cable is exactly what is needed for such, with no extra unused dangling ends of a stereo cable. And a mono plug is easier to wire up - more room without the second circuit to deal with. The suggested firmware change would be pretty simple to implement. We aren't talking a major DSP redo. I suspect many other firmware changes have been made to satisfy even fewer people. 73 - Jim K8MR In a message dated 9/13/2013 12:54:02 P.M. Eastern Daylight Time, kengk...@gmail.com writes: Hi Jim ! It's generally accepted convention today that virtually all key plugs/jacks are three-circuit ... tip, ring and sleeve ... in both 1/8 and 1/4 diameters. IMHO, modifying software to satisfy the wants of a few of us isn't warranted. In your case, doing it right is just a simple plug change and the key would still work in older radios. 73! K0PP On Fri, Sep 13, 2013 at 4:14 PM, _Jimk8mr@aol.com_ (mailto:jimk...@aol.com) wrote: I'd like to repeat a feature request: The option of NONE for CW KEY2. This would allow use of a mono plug to send external CW. A few days ago I went to drop my KX3 into the position I normally use with a rig that uses a mono 1/4 key plug. Even with an adaptor to 1/8, it wouldn't work because the shell on the mono plug keyed the ring on the KX3 KEY2 input. While at it, allowing independent selection of TIP=DOT on CQ KEY1 and HAND on CW KEY2 (and vice versa for lefties) would allow bug operation, which I have seen requested by others. Thanks 73 - Jim K8MR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:_elecr...@mailman.qth.net_ (mailto:Elecraft@mailman.qth.net) This list hosted by: _http://www.qsl.net_ (http://www.qsl.net/) Please help support this email list: http://www.qsl.net/donate.html __ 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
[Elecraft] KX3 Production Firmware Updates?
Having been spoiled by the ease of installing production firmware updates, I wonder if there might be a new production release for the KX3, including CW in SSB, coming out prior to the September ARRL VHF contest on September 14-15? As far as I can imagine, VHF contests are the prime use for this feature. Otherwise, time to figure out the beta installation. 73 - Jim K8MR __ 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
Re: [Elecraft] posting of kx3 shacks and antennas.
See page 10 and 11 of: http://www.arrl.org/files/file/ContestResults/2013/2013-DXCW-Web1_1.pdf __ 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
[Elecraft] Solar Power for KX3
Rather than reinvent the wheel, does anybody have experience or suggestions for a small solar array sufficient to keep a KX3 with internal batteries going during daylight? I would assume 10 watts average over a reasonable TX duty cycle would be enough.? Something strong enough or flexible enough to withstand packing for air travel would be desirable. 73?? -? Jim?? K8MR __ 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
Re: [Elecraft] A KX3 Curiosity Question about ACC2 and RXIQ
I would suspect the ACC and RXIQ jacks are much less used than the larger KEY and PHONES jacks. Speaking of jacks, I'd like to repeat publicly a request I've made through Elecraft channels: That the CW KEY1 and CW KEY2 menus have an option for NONE. That way, a mono 3.5mm plug could be used to connect to an external key or keyer, by setting the Ring to NONE. 73 - Jim K8MR In a message dated 3/18/2013 1:01:39 A.M. Eastern Daylight Time, phys...@mac.com writes: Yes, I thought that might be a reason but you can still plug in the wrong plug. 73, phil, K7PEH On Mar 17, 2013, at 9:29 PM, wb4...@knology.net wrote: My guess would be that with different size connectors, it is harder to plug the wrong thing into the wrong place. This makes it less likely that you will plug an ACC1 cable into the ACC2 jack by mistake, and less likely that you would plug headphones into the RXIQ jack, for example. 73, Terry, WB4JFI -Original Message- From: Phil Hystad Sent: Monday, March 18, 2013 12:19 AM To: elecraft@mailman.qth.net List Subject: [Elecraft] A KX3 Curiosity Question about ACC2 and RXIQ On my KX3 the ACC2 and the RXIQ connectors are 2.5 mm rather than a more common 3.5 mm. So, does anyone know why these are 2.5 mm rather than 3.5 mm. I understand that they are smaller but looking at the KX3 and how and where they are located I do not see that smaller is required for the design. Is there a good engineering design reason behind this decision? I have no complaints but rather lots of curiosity. 73, phil, K7PEH __ 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
[Elecraft] Fwd: KX3 Relay Control For Desktop Amplifiers
I blew the switching FET with about 50 ma of current (12 volts) from a DownEast Microwave transverter. Elecraft says it should have handled it, but anyway, FWIW. The FET has been replaced, and an intermediate switching transistor installed in the switchbox for the several transverters. Now switching 1 or 2 ma, hope that holds! 73 - Jim K8MR From: robertwschumac...@yahoo.com To: elecraft@mailman.qth.net Sent: 3/12/2013 12:07:26 P.M. Eastern Daylight Time Subj: [Elecraft] KX3 Relay Control For Desktop Amplifiers Most common desktop amps have a relay circuit that requires a transceiver to short 12 VDC at 100 ma to key the amplifier on. In the KX3 specs, the maximum amp relay current is stated to be 100 ma. Has anyone keyed a desktop amp directly with a KX3 or is it recommended to use an intermediate external relay circuit? Thanks, W9DBR __ 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
Re: [Elecraft] Fwd: KX3 Relay Control For Desktop Amplifiers
The DEM transverters also have the diode snubber. So things remain a mystery, hopefully never to repeat. 73 - Jim K8MR In a message dated 3/12/2013 8:02:08 P.M. Eastern Daylight Time, c-haw...@illinois.edu writes: The 2N7002 has an internal diode for any inductive collapse. Sent from my iPad Chuck, KE9UW (Jack for BMW motorcycles) On Mar 12, 2013, at 6:58 PM, Rich Heineck ric...@frontier.com wrote: Jim, The FET shouldn't have had any problem with 50 mA. It's a 2N7002 and is rated for 115 mA continuous and 800 mA pulsed, with 60V max voltage when off. One possibility is that the load being switched was inductive (like a relay), and the FET's voltage rating was exceeded when the relay was released due to inductive kickback. The simplest solution to snub the kickback spike is to put a reverse diode, like a 1N4002, across the relay coil (cathode side to the relay's '+' supply). It's also possible the FET was defective or damaged to begin with, which led to an early failure. 73, Rich AC7MA On 03/12/2013 01:28 PM, jimk...@aol.com wrote: I blew the switching FET with about 50 ma of current (12 volts) from a DownEast Microwave transverter. Elecraft says it should have handled it, but anyway, FWIW. The FET has been replaced, and an intermediate switching transistor installed in the switchbox for the several transverters. Now switching 1 or 2 ma, hope that holds! 73 - JimK8MR From: robertwschumac...@yahoo.com To: elecraft@mailman.qth.net Sent: 3/12/2013 12:07:26 P.M. Eastern Daylight Time Subj: [Elecraft] KX3 Relay Control For Desktop Amplifiers Most common desktop amps have a relay circuit that requires a transceiver to short 12 VDC at 100 ma to key the amplifier on. In the KX3 specs, the maximum amp relay current is stated to be 100 ma. Has anyone keyed a desktop amp directly with a KX3 or is it recommended to use an intermediate external relay circuit? Thanks, W9DBR __ 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 __ 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 __ 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 __ 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
Re: [Elecraft] Fwd: KX3 Relay Control For Desktop Amplifiers
In my case the FET failed somewhat gradually. I made several QSOs by momentarily turning off the transverter power. When I turned it back on, it came up in receive mode. Then I'd transmit, power cycle the transverter to return to receive, and repeat. After several such QSOs power cycling would not get the relay to drop out. 73 - Jim K8MR In a message dated 3/12/2013 8:53:12 P.M. Eastern Daylight Time, jack.sm...@cliftonlaboratories.com writes: Isn't the 2N7002's internal diode arranged to conduct if the drain is negative with respect to the source, but the inductive spike from low side switching will be positive with respect to the drain? What you really want for this situation where the relay is presumably inaccessible and hence cannot be fitted with a clamping diode or RC snubber is an avalanche rated FET, and the 2N7002 is not avalanche rated. It may well be that the 2N7002 will handle some number of breakdown events but the breakdowns degrade the device and will cause failure sooner or later. Unless a particular device is explicitly rated for avalanche operation, it must be assumed it is not to be used in breakdown mode. I like the Vishay/Siliconix SI2328DS-T1-E3 for FET switching of relays where you cannot be assured access to the relay coil. It's rated at 100V, 1.5A and is avalanche capable to 6A. It's an SOT-23 surface mount package. Or, if an avalanche rated device is not to be used, a zener with a breakdown voltage less than the maximum rated drain voltage of the FET can be used from the drain to ground. It also has the advantage of being more easily replaced in the future as bog standard parts are involved. Jack K8ZOA On 3/12/2013 8:01 PM, hawley, charles j jr wrote: The 2N7002 has an internal diode for any inductive collapse. Sent from my iPad Chuck, KE9UW (Jack for BMW motorcycles) On Mar 12, 2013, at 6:58 PM, Rich Heineckric...@frontier.com wrote: Jim, The FET shouldn't have had any problem with 50 mA. It's a 2N7002 and is rated for 115 mA continuous and 800 mA pulsed, with 60V max voltage when off. One possibility is that the load being switched was inductive (like a relay), and the FET's voltage rating was exceeded when the relay was released due to inductive kickback. The simplest solution to snub the kickback spike is to put a reverse diode, like a 1N4002, across the relay coil (cathode side to the relay's '+' supply). It's also possible the FET was defective or damaged to begin with, which led to an early failure. 73, Rich AC7MA On 03/12/2013 01:28 PM,jimk...@aol.com wrote: I blew the switching FET with about 50 ma of current (12 volts) from a DownEast Microwave transverter. Elecraft says it should have handled it, but anyway, FWIW. The FET has been replaced, and an intermediate switching transistor installed in the switchbox for the several transverters. Now switching 1 or 2 ma, hope that holds! 73 - Jim K8MR From:robertwschumac...@yahoo.com To:elecraft@mailman.qth.net Sent: 3/12/2013 12:07:26 P.M. Eastern Daylight Time Subj: [Elecraft] KX3 Relay Control For Desktop Amplifiers Most common desktop amps have a relay circuit that requires a transceiver to short 12 VDC at 100 ma to key the amplifier on. In the KX3 specs, the maximum amp relay current is stated to be 100 ma. Has anyone keyed a desktop amp directly with a KX3 or is it recommended to use an intermediate external relay circuit? Thanks, W9DBR __ 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 __ 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 __ 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 __ 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
Re: [Elecraft] KX3 in the ARRL International DX contest
Add me to the list of KX3 ops in the ARRL CW DX Contest. I spent about 11 hours as HI/K8MR, operating with very simple wires from the Hard Rock Hotel Casino resort in Punta Cana. Totaled 615 QSOs with 172 Multipliers. There were some very slow times for us, especially on the low bands, when European signals were booming in, much louder than stateside. But we couldn't work them in this contest :-( Best rate was an hour+ of 140/hr on 15 (and some 10) operating under a beach hut with a 10 foot piece of wire strung around the underside of the hut's framework. Precautions were used to protect the radio: I taped over all unused connecters and screw holes, and kept the radio in a ZipLoc bag, open only enough to get out the coax and keyer and headphone lines. Sent by hand and logged on paper from the beach! Night time operation (and late afternoon after the internal batteries ran out) was from the room with wires run from our fourth floor balcony. Jim, W8WTS, was also with me and shared time at the radio, using HI/W8WTS. I don't have his final results but I believe they were similar to mine. I was able to pack all the radio stuff in the equivalent space of slightly less than a carry on suitcase. (A few tools did have to go in checked luggage). Definitely a new horizon in contest expeditioning! 73 - Jim K8MR __ 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
Re: [Elecraft] [KX3] Transverter Band TX output
More info: I have the ATU installed in the KX3. Even with the KX3 directly connected to a good 50 ohm load, running an autotune on the XV bands (28 MHz) causes lots of relay chatter in the radio, and a displayed SWR of 25.4 that does not change. On the other bands (including 28 MHz) it immediately goes to 1.0. Setting the ATU to bypass still does not get RF output on the XV bands. The current draw key down at 0.1 watt is about 0.43 A on the XV bands, and about .55 on the HF bands where there is output. Has the KX3 firmware caught up with the XV bands? I'm using V1.30. 73 - Jim K8MR In a message dated 1/8/2013 10:15:12 P.M. Eastern Standard Time, jimk...@aol.com writes: I'm working at getting my DEM transverters interfaced to the KX3. I've set up the first three XVTR bands, configured for 28 MHz IF. With the KX3 max power set at 0.1W on the transverter bands, I'm only getting about 20 mW of 28 MHz RF output (1V RMS measured on the scope). When I use 28 MHz with the power set at 0.1W I'm showing about 350 mW (4V RMS). I can increase the RF power by increasing the KX3 max power setting, but still it is much lower on the XV bands than on 28 MHz. The absolute numbers may not be very accurate, but why the big difference? 73 - Jim K8MR __ 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 __ 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
Re: [Elecraft] [KX3] Firmware suggestions.
A suggestion that I would like to see implemented: An option in the CW Key menu of None, so one could use a 3.5mm mono plug, ignoring the short to ground across what would be the ring in a stereo plug. 73 - Jim K8MR In a message dated 1/9/2013 5:53:39 P.M. Eastern Standard Time, g...@keskydee.com writes: Hello, This has probably already been suggested, but I would like: - A four-digit code to turn on the radio, to prevent unauthorized access. - An automatic power reduction for data modes, like TUN PWR. Gil. -- __ 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
[Elecraft] [KX3] Transverter Band TX output
I'm working at getting my DEM transverters interfaced to the KX3. I've set up the first three XVTR bands, configured for 28 MHz IF. With the KX3 max power set at 0.1W on the transverter bands, I'm only getting about 20 mW of 28 MHz RF output (1V RMS measured on the scope). When I use 28 MHz with the power set at 0.1W I'm showing about 350 mW (4V RMS). I can increase the RF power by increasing the KX3 max power setting, but still it is much lower on the XV bands than on 28 MHz. The absolute numbers may not be very accurate, but why the big difference? 73 - Jim K8MR __ 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
[Elecraft] [KX3] Transverter Band Selection
I'm starting the project of getting my KX3 interfaced to my three DEM transverters (222-432-1296, all 28 MHz IFs). If the XVn firmware working yet? The only search results I find from the archives gives a September 2012 message that the firmware was still being worked on. In particular, what sort of output does/will select the band? Is it serial data, a DC level, or what? Is/will that be on the tip of the ACC2 plug? I can still get things working by the January contest by just using the 28 MHz frequency readout and my current transverter switch box, but having the switching done at the radio with in band frequency readout would be cool. Thanks, Jim K8MR __ 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
[Elecraft] KXBC Clock
Today at the end of the ARRL 10 meter contest, the real time clock in the KX3 rolled over from 23:59:59 to 24:00:00 and kept going. I turned off the radio and it came back up at 00:02:xx ??? 73 - Jim K8MR __ 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
Re: [Elecraft] KX3 battery charge level
Might it be possible to see the maH drawn since the end of the last charge? Is seems that such info could be a useful gauge of how much battery juice is remaining. (If the answer is no, add this idea to the suggestion box.) 73 - Jim K8MR In a message dated 12/6/2012 11:46:49 P.M. Eastern Standard Time, a...@bobandgloria.com writes: Tap DISP and turn the OFS knob. First you see the clock, then you see the PS (power supply) voltage, then you see the BT (battery voltage), followed by the current draw. 73 de AF9W Bob Stephens On Dec 6, 2012, at 9:38 PM, Gordon Klemp wrote: I have a KX3 that I assembled a few months ago. I just install the KXBC3 Battery Charger. I have wanted a way to see the state of the battery charge level. I would think a portable radio should have the capability. Have I overlooked it? __ 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
Re: [Elecraft] KX3 Filter Blow-By
I did some more careful checking this morning, transmitting a few watts on the FT-1000MP and using a couple of inches of wire as an antenna on the KX3, on a quiet 10 meter band. The S-meter on the KX3 was 9+ There is noticeable opposite (lower frequency) side suppression issues, but this cuts off at about 900 Hz On the higher side, I can hear signal to as far as my hearing and/or the audio chain permit. The most interesting note was that the undesired signal (high side only) takes a sharp dip or disappears every 50Hz, at .00 or .05 on the frequency readout. I'm not sure what to make of all this, but FWIW . . . 73 - Jim K8MR In a message dated 10/8/2012 3:29:37 P.M. Eastern Daylight Time, dro...@necg.de writes: Hi Jim, did you have VFO NR enabled by chance? I suppose yes, as the KX3 is quite unusable on the high bands without. :-( There is a known issue = bad effect of the DSP leading to artifacts, i.e. hearing signals +/- 5-6 kHz again from strong stations. If you turn off VFO NR it goes away, but then the VFO noise is much too strong. :-( Another bad effect is even with VFO NR enabled if you tune over strong stations you suddenly have strong VFO noise until you stop turning the wheel. Afterwards it's gone again. And if you turn the VFO fast enough you will not even recognize even 59+ signals. :-( All problems from the VFO NR DSP implementation as confirmed by Elecraft. And no matter if with or without roofing filter and with/without 8 kHz shift enabled. Still wonder why nobody else is complaining about those effects? Cannot be that everybody has an s4 noise level on 12, 10 6 m that would mask the VFO noise and thus no need to enable VFO NR. I documented all those effects on video and sent it over to Wayne. He said he and Lyle are working on it, hopefully with some results soon, otherwise the KX3 is of no use for a high band op like me. :-( Never seen such problems with *any* other rig owned so far ... 73, Olli - DH8BQA - Original Message - From: jimk...@aol.com To: elecraft@mailman.qth.net Sent: Monday, October 08, 2012 7:46 PM Subject: [Elecraft] KX3 Filter Blow-By A recent KX3 owner (# 1677), I've noticed hearing out of passband signals from loud CW stations. I can hear such stations up to several KHz away. I suspect the range is limited by the audio response of the system, including my ears. Both sides of zero beat, though less so on the opposite side of the zero beat. In the CA QSO Party this weekend, maybe the loudest 10% of the stations on 10 CW Saturday afternoon were leaking through. (I've heard the leakage on other bands as well.) I don't have any roofing filters. (I figured any stations weak enough for me to need the filter to hear, would never be able to hear me anyway). Is this normal, or is there some shielding or other issue affecting my unit? (It is a kit version). 73 - Jim K8MR __ 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 - E-Mail ist virenfrei. Von AVG uberpruft - www.avg.de Version: 2012.0.2221 / Virendatenbank: 2441/5317 - Ausgabedatum: 08.10.2012 __ 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 __ 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
[Elecraft] KX3 Filter Blow-By
A recent KX3 owner (# 1677), I've noticed hearing out of passband signals from loud CW stations. I can hear such stations up to several KHz away. I suspect the range is limited by the audio response of the system, including my ears. Both sides of zero beat, though less so on the opposite side of the zero beat. In the CA QSO Party this weekend, maybe the loudest 10% of the stations on 10 CW Saturday afternoon were leaking through. (I've heard the leakage on other bands as well.) I don't have any roofing filters. (I figured any stations weak enough for me to need the filter to hear, would never be able to hear me anyway). Is this normal, or is there some shielding or other issue affecting my unit? (It is a kit version). 73 - Jim K8MR __ 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
