Re: [Elecraft] K3 Digital Voice Mode - our future?

The country you may be referring to is Norway, where it has been decided to switch off all the biggest broadcasters from FM (88-108 MHz) in 2017 as the first country in the world, http://www.bbc.com/news/technology-32380222 It has been a controversial decision, I for one have critized the audio

Re: [Elecraft] Product Suggestion - 500W Dummy Load

Forgive me in advance if this is a stupid question. Is there any reason you have to tune at full power? It seems to me that tuning can be accomplished easily with much lower power. The same thing goes for the ATU to the antenna. I don't see why we need more than a few MW at most for the ATU to

[Elecraft] Trade Band Module Kits

I have one each 80 meter and a 17 meter band module parts packages.. I would like to trade for 40 and 20 meter parts packages. I also have the unpopulated board but I'm not sure if those parts are outside of the band selection process. In any event I will trade either way. Thanks Bill

Re: [Elecraft] K3 Digital Voice Mode - our future?

What is this microphone thing? Is that a new kind of key? :p Jerry Moore AE4PB, S.N. 010324 On September 18, 2015 7:09:56 PM EDT, Gary wrote: >Aah Jim, > >Yes, "Emergency Nets" and SSTV, it is stunning how you here a dx >station calling, you answer and by being so cheeky,

Re: [Elecraft] KAT500 - Utility not working - Resolved???

After some help hints from Dick (K6KR), Gary and the on-line trouble shoot guide; we were able to trace to issue down to a faulty DB9/KXUSB cable. We have ordered a new cable and will pass along any other learning that may occur concerning this issue.Thanks to all.73, Bill - W0BBI 

Re: [Elecraft] K3 Digital Voice Mode - our future?

I view that an acceptable digital mode for ham radio has been around since day one! It's called CW.And at one time, it was required of all hams to learn to send and receive via the mode. 73 Bob, K4TAX K3S s/n 10,163 On 9/18/2015 6:44 PM, Jerry Moore wrote: What is this microphone

Re: [Elecraft] K3 Digital Voice Mode - our future?

Good grief Gary -Original Message- From: "Bob McGraw - K4TAX" Sent: ‎19/‎09/‎2015 11:04 AM To: "elecraft@mailman.qth.net" Subject: Re: [Elecraft] K3 Digital Voice Mode - our future? I view that an acceptable digital mode for ham radio

Re: [Elecraft] K3 Digital Voice Mode - our future?

Eric is gonna jump on us pretty quick guys. Lets not delve into the history of cw and it's dropping from a requirement ok. I should have learnt cw when I was 12, after 50 I felt like had Alzheimers. But, perseverance won, took awhile though. Gary -Original Message- From:

[Elecraft] Serious weak-signal VHF operators?

Most VHF operators learn that there are good deals in used amps. I only have one 180w 2m amp that I bought new (in 1976). All the others were bought from other hams. But one can build an amp vs buying overpriced Mirage junk. Look at the 80w 2m kit that W6PQL offers. I have actually done a

Re: [Elecraft] Serious weak-signal VHF operators?

Yep - that W6PQL 80 watt, all mode, 2 meter amp works great! I built one last year from scratch - even fabricated the case/chassis myself. First time I’d ever done any sheet metal work and surprisingly came out pretty darn well. The amp works just fine, driven by my K3. Jim / W6JHB > On

Re: [Elecraft] K144XV Frequency Error

Hi Bill, Under main menu look for XV OFS. Believe has a +/- 10kc shift range which will move you on frequency. If you had it right before it may have got shifted or even turned off accidentally. 73, Bob K2TK On 9/18/2015 6:51 PM, Bill Schwantes wrote: Hi Folks, I need help.

Re: [Elecraft] K2 stuff for sale or trade.

Some how my e mail and phone number got screwed up.E mail.  w0wfh@yahoo.comPhone.  573-291-5625 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post:

Re: [Elecraft] K144XV Frequency Error

I just installed a 2nd receiver and the 2M ref lock. The KRX3A installation manual, which uses the new synths shows J4 of the new style main synth connected to REF IN on the 2M transverter. The ref lock installation manual shows J83 of the old style synth connected to REF IN and REF OUT

[Elecraft] Does your KDVR3 for the K3 work with the internal K144XV?

I have the K144XV 2M module installed in my K3 and for some reason I cannot record the FM repeater activity using the KDVR3 voice recorder. In this mode it has never worked. Is this normal and a known problem? The recorder icon shows it is recording but when I go to play it back "END"

Re: [Elecraft] K144XV Frequency Error

On Fri,9/18/2015 5:28 PM, Bill Frantz wrote: I just installed a 2nd receiver and the 2M ref lock. The KRX3A installation manual, which uses the new synths shows J4 of the new style main synth connected to REF IN on the 2M transverter. I installed five synth boards. It's been a while, but I

Re: [Elecraft] K3 Digital Voice Mode - our future?

Ah..when I do that folks send QLF...what the heck is that ??? LOL.. :D Jer Jerry Moore AE4PB, K3S - S.N. 010324 -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil Wheeler Sent: Friday, September 18, 2015 7:59 PM To:

Re: [Elecraft] K3 Digital Voice Mode - our future?

LOL yeah, the sales guys are all trained to tell you that you need to order it if you need it. But also that the rig supports computer pc headset/electret mic. From: Gary [mailto:vk1zzg...@gmail.com] Sent: Friday, September 18, 2015 7:50 PM To: Jerry Moore; j...@audiosystemsgroup.com;

Re: [Elecraft] K3 Digital Voice Mode - our future?

Yep, when I got my extra 20wpm was still required.. I'm guessing it wasn't but a few years after that the requirements started dropping. Jerry Moore AE4PB, K3S - S.N. 010324 -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob McGraw - K4TAX

Re: [Elecraft] Product Suggestion - 500W Dummy Load

Very true my main HF amps are like that both Alphas an 87A and a 9500. Other amps like my KPA500, Yaesu 1000 series SS units are fine to tune at low power. Fred  N0AZZ Sent via the Samsung Galaxy S6 edge+, an AT 4G LTE smartphone Original message From: Edward R Cole

Re: [Elecraft] K3 Digital Voice Mode - our future?

Jerry, The microphone I mentioned was I guess an inside joke with Wayne, way back when the dark ages got some light, a customer ordered an early k3. Guess who didn't notice you need to order one? The look on my face was priceless, for all the rest there's Mastercard right? Gary

Re: [Elecraft] K3 Digital Voice Mode - our future?

Yes. Key is mounted on the side of the hand grip and labeled PTT :-) Phil W7OX On 9/18/15 4:44 PM, Jerry Moore wrote: What is this microphone thing? Is that a new kind of key? :p Jerry Moore AE4PB, S.N. 010324 On September 18, 2015 7:09:56 PM EDT, Gary wrote: Aah

Re: [Elecraft] K3 Digital Voice Mode - our future?

> FreeDV’s emission designator is 1K20J2E. That is the *claimed* designator. > “J3E” is “single sideband suppressed carrier”, “single channel > containing analog information”, and “telephony”. It is not J3E ... it is *J2E*. "J" is single sideband suppressed carrier, "2" is single channel

[Elecraft] Button malfunction on K3 panel

I especially notice annoying malfunction on buttons, Band/Up/Down/VOX/QSK, Mode/Up/Down/ALT/TEST and SUB button. These are controled by external software commend with no problem. For me multiple function button seems crazy, not easy to use. I have K2 where same kind of buttons (simple TAP and

Re: [Elecraft] Product Suggestion - 500W Dummy Load

I tested my amp (http://sadxa.org/n7ws.html#amp) with 150' of RG8 into a Cantenna (almost) submerged in a bucket of water. Wasn't CCS but okay for my purposes. Using the loss in coax for an attenuator isn't unheard of. When I was still in the work force I once had to test some cables with

Re: [Elecraft] Product Suggestion - 500W Dummy Load

I can tell you this there is a world of difference between 800w and 2.5k or even 1.5k for that matter. I am in 0 land and very hard to break the coasts on a good day at times so a little extra helps break those pile ups. Fred  N0AZZ Sent via the Samsung Galaxy S6 edge+, an AT 4G LTE

Re: [Elecraft] Product Suggestion - 500W Dummy Load

On Fri, 18 Sep 2015 14:16:43 -0500, Grant Youngman wrote: > The difference better 800W and 500W is about 2 dB. Barely noticeable. Two db is quite noticeable when you are in the noise. Gary __ Elecraft mailing list Home:

Re: [Elecraft] Product Suggestion - 500W Dummy Load

There is no need, in fact it is considered objectionable, to adjust a tuner at full power. It is also very hard on the components. As to an amp, the only way I know to adjust one is working it up to full power and than reducing drive to the power value you desire to operate. For manual

[Elecraft] K3S schematics

Will the K3S schematics be posted soon? 73, Ian N8IK K3S s/n 10111 __ 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

Re: [Elecraft] Product Suggestion - 500W Dummy Load

Hi All, My Cantenna has sat in a bucket since I built it many many years ago. No seen it as yet from our house move last month, but have not seem any oil stains as yet. I am sure the boss would have told me! 73 Tim gm4lm On 18/09/2015 19:00, Edward R Cole wrote: Don't have much to say: Had

[Elecraft] Bad crystal filter ?

Working with my newly constructed K3S today, I noticed that receiving through the FL4 crystal filter (400 hz, 8-pole) was noticeably suppressed. Through the FL3 (1.8 kHz) filter, an RTTY signal would be nice and strong with good S-meter indications. Going to 400 Hz the signal would nearly be

Re: [Elecraft] Product Suggestion - 500W Dummy Load

Actually, it you are talking about tube amps---typically the ones that need tuning---then although it may seem objectionable, tuning into the actual load, at the power level you are going to run is the appropriate thing to do. On 9/18/2015 12:57 PM, Bob McGraw - K4TAX wrote: There is no need,

Re: [Elecraft] Product Suggestion - 500W Dummy Load

Don't have much to say: Had a Cantenna from Heath in the 60's - knocked over; spilt mineral oil on the floor, threw can away! I have acquired "dry" loads over the years rated into UHF and sometimes to mw at flea markets and swaps. My highest power load is 500w Sierra with power meter and

Re: [Elecraft] Product Suggestion - 500W Dummy Load

The power limit for most hams and ham bands is 1.5 KW PEP output. The rules don't state where the output is measured. I assume it's at the antenna since the transmission line is part of my transmitter's matching system. With lossy lines, 2.5 KW at the line input doesn't seem unreasonable.

Re: [Elecraft] Product Suggestion - 500W Dummy Load

The difference better 800W and 500W is about 2 dB. Barely noticeable. The difference between 2500W and 800W is about 5dB. About an S-unit. Grant NQ5T Sent from my iPhone > > Now my debate is 500w vs 800w... there's a larger difference between 500w > and 800w than between 800w and 2.5kw

Re: [Elecraft] Product Suggestion - 500W Dummy Load

Who runs 2.5K ? Uh, isn't that just a wee bit over the legal limit? 73 Bob, K4TAX K3S s/n 10,163 On 9/18/2015 1:54 PM, mfsj wrote: I can tell you this there is a world of difference between 800w and 2.5k or even 1.5k for that matter. I am in 0 land and very hard to break the coasts on a

Re: [Elecraft] (no subject)

My experience (admittedly ancient) is that good quality and Mirage said in the same sentence is an oxymoron, or in other words, a mirage. RF Concepts amps were fine. On 9/17/2015 10:30 PM, Jim Brown wrote: On Thu,9/17/2015 8:40 PM, jmlow...@sbcglobal.net wrote: The only problem is, an

[Elecraft] K3s USB built in sound card

Can anyone share their experience in using the K3s built in sound card with various digital mode software including JT65. Howard AE3T __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] K3s USB built in sound card

Works just fine. No issues with WSJT-X and JT 9 or JT65. Also works well with FLGIGI and HRD/DM780. I'm running these under the Windows 10 environment. I use the DATA A mode on the K3S. 73 Bob, K4TAX K3S s/n 10,163 On 9/18/2015 8:46 PM, Howard Sherer wrote: Can anyone share their

Re: [Elecraft] K3 Digital Voice Mode - our future?

When CW is a digital voice mode, let me know. That is the topic of this discussion. wunder K6WRU CM87wj http://observer.wunderwood.org/ (my blog) > On Sep 18, 2015, at 6:03 PM, Bob McGraw - K4TAX wrote: > > I view that an acceptable digital mode for ham radio has been

Re: [Elecraft] Bad crystal filter ?

In response to W4TV Joe's question: The frequency offset for the 8-pole crystal filter is 0.00 Hz. The Pitch is 650 Hz on the K3S. And the Mark for RTTY is the standard 2125 Hz. I've got a new 400 Hz filter on its way so I'll see what the problem is. I just hope it's not an RF board. I took

Re: [Elecraft] K3 Digital Voice Mode - our future?

It means ..."send with your left foot"... HI HI 73, Dick, W1KSZ -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of ae...@carolinaheli.com Sent: Friday, September 18, 2015 6:22 PM To: 'Phil Wheeler'; elecraft@mailman.qth.net Subject: Re: [Elecraft]

Re: [Elecraft] K3s USB built in sound card

Works great! I'm only doing RTTY and PSK31 here. MMTTY through N1MM+ when in contest mode, "AFSK A" digital mode K3S. When not in N1MM+ contest for rag chew MMTTY straight through K3S "AFSK A". PSK31, running DATA A mode in K3S with older version of Digipan. Plug and play, love it! 73 Gene N9TF

Re: [Elecraft] K3 Digital Voice Mode - our future?

I was trying to be funny with the mic as a key comment. I'm almost on the air :) hopefully tomorrow if the mail made it this far :) -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Richard W. Solomon Sent: Friday, September 18, 2015 9:44 PM To:

Re: [Elecraft] Product Suggestion - 500W Dummy Load

End of thread. We've well surpassed the list posting limit per hr on this one.. 73, Eric Modulator elecraft.com _..._ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] Elecraft SP3 External Speaker details

Hi William, The enclosure was designed as an integral part of the acoustic system to generate a desired SP3 response. Placing additional items inside the case will distort this response. Also, The case is totally filled with speaker 'filler' material to properly acoustic load the driver.

Re: [Elecraft] K3 Digital Voice Mode - our future?

That's not so much of a bandwidth problem as a courtesy problem. Al W6LX _ And don't try to make a SSB QSO on the frequencies that the SSTV crowd has claimed, eventhough they are dead when you call. __ Elecraft mailing list Home:

Re: [Elecraft] K3 Digital Voice Mode - our future?

Folks let's close this thread. Clearly people are not self moderating when posts exceed ten plus in a short period on a topic. Please, take discussions off list when there are an excessive number of postings in a short period as this one. It is not necessary to wait for me to shut down a

Re: [Elecraft] K3s USB built in sound card

So far not good. See: http://elecraft.365791.n2.nabble.com/Mic-VOX-interaction-tt7606353.html#none After a follow up query to HQ, I got this response from Wayne: "Our DSP engineer identified this issue himself a couple of weeks ago while I was on vacation, and it's now on my list. I'll bump

Re: [Elecraft] K3 Digital Voice Mode - our future?

- Sverre, LA3ZA K2 #2198, K3 #3391, LA3ZA Blog: http://la3za.blogspot.com, LA3ZA Unofficial Guide to K2 modifications: http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html -- View this message in context:

Re: [Elecraft] Product Suggestion - 500W Dummy Load

Well ...it seems pretty clear. Part 97.3 states: "(6) PEP (peak envelope power). The average power supplied to the antenna transmission line by a transmitter during one RF cycle at the crest of the modulation envelope taken under normal operating conditions." Part 97. 313 states

Re: [Elecraft] (no subject)

On Fri,9/18/2015 1:46 PM, Wes (N7WS) wrote: My experience (admittedly ancient) is that good quality and Mirage said in the same sentence is an oxymoron, or in other words, a mirage. Wes, Do you include the original ('70s vintage from NorCal) in that assessment? 73, Jim

[Elecraft] FS K2 with options

For Sale: LoadedElecraft K2/100 with KAT 100 Auto Antenna TunerOptions: 100 watt amplifier and RS 232 IO KSB2SSB ADAPTER K60XV-MAND TRANSVERTER ADAPTER KNB2NOISE BLANKER KAF2AUDIO FILTER AND REAL TIME CLOCK K160RX160 METER MODULE WITH RX ANTENNA SWITCH. MH2HAND MIC TOPCOVER WITH BATTERY FOR

Re: [Elecraft] K3 Digital Voice Mode - our future?

Aah Jim, Yes, "Emergency Nets" and SSTV, it is stunning how you here a dx station calling, you answer and by being so cheeky, you suddenly get swamped. We got'em over here too, you folks are not alone. So glad Elecraft supplied a VFO as standard, unlike a microphone, right Wayne? Soon as I

Re: [Elecraft] K144XV Frequency Error

Bill, A wild guess - did you have an offset turned on in the menu before you installed the K3EXREF? I assume you have both the K3EXREF option along with the K144RFLK options for best stability of the K144XV. Check the XVn OFS menu parameter. 73, Don W3FPR On 9/18/2015 6:51 PM, Bill

Re: [Elecraft] K3 Digital Voice Mode - our future?

On Fri,9/18/2015 10:24 AM, Al Lorona wrote: Is bandwidth really our biggest problem? It is during contests. Or when you're trying to fit in between the many ragchewing nets masquerading as "emergency" nets. And don't try to make a SSB QSO on the frequencies that the SSTV crowd has claimed,

Re: [Elecraft] Frequency reference for the K3 directly off a GPS

I have done some more experimenting now with my poor man's 10 MHz reference. The ublox Neo-7 GPS is a lousy frequency reference in most respects, except that it is accurate in keeping exactly 10 million periods per second. My experience is that the K3 has enough internal averaging to deal with

[Elecraft] FW: KAT500 - Utility not working

__ 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:

Re: [Elecraft] Bad crystal filter ?

Jamie, What is the offset (FL# FRQ)? What is the PITCH in the K3S vs. MARK in your RTTY software? 73, ... Joe, W4TV On 9/18/2015 3:30 PM, James C. Hall, MD wrote: Working with my newly constructed K3S today, I noticed that receiving through the FL4 crystal filter (400 hz, 8-pole) was

Re: [Elecraft] K3 Digital Voice Mode - our future?

Would HF digital voice be classified as Voice/Image because it started out as analog voice [and thus be confined to the Voice/Image sub-bands], or as RTTY/Data because the actual transmitted signal is digital [and thus confined to the RTTY/Data sub-bands]? Different emission standards apply

Re: [Elecraft] K3 Digital Voice Mode - our future?

FreeDV’s emission designator is 1K20J2E. The “1K20” prefix is the bandwidth. “J3E” is “single sideband suppressed carrier”, “single channel containing analog information”, and “telephony”. Totally legal. http://freedv.org/tiki-index.php?page=FreeDV+Specification wunder K6WRU CM87wj

Re: [Elecraft] Bad crystal filter ?

Jamie, Is there any chance that you have installed the 400Hz filter backwards. Several have reported similar results from that problem. 73, Don W3FPR On 9/18/2015 3:30 PM, James C. Hall, MD wrote: Working with my newly constructed K3S today, I noticed that receiving through the FL4

[Elecraft] XV220

Hello all; I would like to trade a XV50 or XV144 for a XV220 transverter. I am getting ready to sell off my K2 station an alloptions. More information too follow. So I can up grade my K3 which I love.  73, Bill Hudson, W0WFH1706 Hwy CCLinn, Mo. 65051573-291-5625w0...@yahoo.com

Re: [Elecraft] K3 Digital Voice Mode - our future?

Yes, digital voice is classified as Phone as long as the emission designator has: "A, C, D, F, G, H, J or R as the first symbol; 1, 2, 3 or X as the second symbol; E as the third symbol." or "B or F as the first symbol; 7, 8 or 9 as the second symbol [and] E as the third symbol." - From

Re: [Elecraft] Bad crystal filter ?

There's a process in the owners manual for adjusting dB loss compensation for the roofing filters. You can see it with the k3 utility On September 18, 2015 4:57:39 PM EDT, "Joe Subich, W4TV" wrote: > >Jamie, > >What is the offset (FL# FRQ)? > >What is the PITCH in the K3S vs.

[Elecraft] KXFL3 won't engage on 6 meters

Just noticed that I am unable to engage the installed KXFL3 on 6 meters. Works on all the other bands. Menu selection Rx xFIL is set to nor. Dual watch isn't on. Any suggestions? Rob KA5QQA K2, KX3 __ Elecraft mailing list Home:

Re: [Elecraft] K3 Digital Voice Mode - our future?

On Fri,9/18/2015 10:17 AM, Richard W. Solomon wrote: Give me the Nice sound of a well engineered WB FM audio any day. The problem is that, like AM, especially wide AM, it's a real spectrum hog. Which is why NBFM is used. 73, Jim K9YC

Re: [Elecraft] Product Suggestion - 500W Dummy Load

On Fri,9/18/2015 1:42 PM, Wes (N7WS) wrote: Actually, it you are talking about tube amps---typically the ones that need tuning---then although it may seem objectionable, tuning into the actual load, at the power level you are going to run is the appropriate thing to do. Absolutely. The

Re: [Elecraft] Frequency reference for the K3 directly off a GPS

I've got some questions about the type of GPS module I'm using. It is a ublox NEO-7M. The nice feature of this unit is that it has a programmable output which nominally excites an LED at 1 pulse per second, but which also can be programmed to 10 MHz. That output is not connected, so one needs to

[Elecraft] K144XV Frequency Error

Hi Folks, I need help. I have an early K3 equipped with the K3EXREF Frequency Lock Option, K144XV Two Meter Module and K144XV Reference Oscillator Phase Lock Option. Some time after installing the KSYN3A synthesizers I noticed that the 144 Mhz band has a 5.6 KHz frequency error. Signals

Re: [Elecraft] Product Suggestion - 500W Dummy Load

Jerry, Certainly its appropriate to tune your antenna tuner at low power. I have an "ancient" Drake MN-2000 which is rated for 2000w PEP but I can tune it with 10w from my K3/10 with my linear off. Then I turn on my station control panel which enables PTT to the amp. Lately been using my

[Elecraft] KAT500 - Utility not working

I discover a problem with my KAT500 in that the Utility shows that no Software is loaded. It still received signals from the computer as I can control it from HRD but I cannot make changes via the Utility. The cable Interface Cable shows only "flashing red" light. To this point I have confirmed

Re: [Elecraft] K3 Digital Voice Mode - our future?

from some reading I have done recently, D-star is an open source from Japan ham community. I agree, if it's not open, it's not ham radio. We use FM on 10, 6, and 2 - modes included in the KX3/K3s, maybe the future should include d-star. 73, steve WB3LGC On 17-Sep-15 9:28 PM, Don Wilhelm

Re: [Elecraft] K3 Digital Voice Mode - our future?

Let me re-phrase the question: How hard would it be to implement a new mode on the K3S? I am having a blast learning all of the menus and how to do things.. I never actually realized how many functions and settings there are (even after reading the manuals). There's a lot that doesn't seem to

Re: [Elecraft] K3 Digital Voice Mode - our future?

My understanding is that we as a community "self-police". If we find an OM out of band or transmitting an out of spec signal we do the neighborly thing and help them fix it. I don't believe anyone (there are lids..other than them) intentionally transmits a poor signal. My view is that much of

Re: [Elecraft] K3 Digital Voice Mode - our future?

Comparisons with single signal stations seems irrelevant. Is anybody addressing the issue of QRM from other stations? I suspect digital will fold -- especially when one is trying to detect one out of many or a station immersed in splatter from one or more stations. The ability of the mind

Re: [Elecraft] K3 Digital Voice Mode - our future?

Don, To a certain extent, I agree with you. I also do not like proprietary technologies. However, if you look at the history of ham radio, many of the products and technologies we use today started out as “proprietary” technologies. Also, much of the history of ham radio is based on

Re: [Elecraft] K3 Digital Voice Mode - our future?

> maybe the future should include d-star. The baud rate of D-Star is too high for the current HF regulations. In addition, it is 6K00F7W ... F7W is only authorized above 51 MHz. Finally, I'm not sure anyone would appreciate 6 kHz wide digital voice signals in the already crowded HF bands.

Re: [Elecraft] KAT500 - Utility not working

Bill, Check baud rate. Could be you are not connected to the kat500 hence no fw upload to your PC. Gary -Original Message- From: "Bill Wiehe via Elecraft" Sent: ‎18/‎09/‎2015 9:53 PM To: "Elecraft Reflector" Subject: [Elecraft]

Re: [Elecraft] K3 Digital Voice Mode - our future?

I'll never knowingly support a proprietary protocol in Amateur Radio. -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Greg Troxel Sent: Friday, September 18, 2015 12:29 PM To: Robert Nobis Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] K3

Re: [Elecraft] K3 Digital Voice Mode - our future?

Robust maybe but hardly speedy further out. Here are some bit rates from HORIZON space craft: Jupiter Flyby - 35 kbps Pluto - 2000 bps http://pluto.jhuapl.edu/Mission/Spacecraft/Data-Collection.php The bit rate drops to hundreds of bits/second further out. 73 de Brian/K3KO On 9/18/2015 16:17

Re: [Elecraft] K3 Digital Voice Mode - our future?

Digital tends to be either perfect armchair copy, or fairly unusable. It's going to depend a whole lot on how it's encoded, the data rate, and how much error detection and correction is used. Bump up the data rate, do some forward error correction and it's likely to be fairly robust. Some

Re: [Elecraft] K3 Digital Voice Mode - our future?

(trying to be brief and return to being on-topic :-) Robert Nobis writes: > To a certain extent, I agree with you. I also do not like proprietary > technologies. However, if you look at the history of ham radio, many > of the products and technologies we use today started out

Re: [Elecraft] K3 Digital Voice Mode - our future?

The D-Star protocol is published and open, but all the radios use a proprietary, licensed voice codec (AMBE). Also, Icom has registered the trademark “D-STAR”. It would be possible to run D-Star with an open source codec (like Codec2), but it probably would not interoperate with other D-Star

Re: [Elecraft] K3 Digital Voice Mode - our future?

I fail to see why folks are getting excited over DMR. To me, the audio sounds Terrible. Perhaps it's just the excitement of being on the bleeding edge. Similar problems happened with FM when it was narrow-banded. Give me the Nice sound of a well engineered WB FM audio any day. Also, who

Re: [Elecraft] K3 Digital Voice Mode - our future?

I suspect nearly all commercially manufactured equipment for the ham radio market has some patents associated with the design and technology. Bob Nobis - N7RJN n7...@nobis.net > On Sep 18, 2015, at 09:29, Greg Troxel wrote: > > (trying to be brief and return to being

Re: [Elecraft] K3 Digital Voice Mode - our future?

Given that most QSOs are less than interplanetary distances, and given that 8 kilobits will probably do for voice, I think we're okay. 73 -- Lynn On 9/18/2015 9:57 AM, brian wrote: Robust maybe but hardly speedy further out. Here are some bit rates from HORIZON space craft: Jupiter Flyby - 35

Re: [Elecraft] K3 Digital Voice Mode - our future?

I'm sorry, I don't begrudge anybody wanting to experiment with digital voice, but every time I listen to audio clips of DV I am appalled by the sound quality. I have to prefer SSB almost every single time. The examples on that site of DV with a 20 dB SNR are pretty awful. Thy soun like litte

Re: [Elecraft] K3 Digital Voice Mode - our future?

On 9/18/2015 10:24 AM, Al Lorona wrote: I'm sorry, I don't begrudge anybody wanting to experiment with digital voice, but every time I listen to audio clips of DV I am appalled by the sound quality. I have to prefer SSB almost every single time. SSB has been around for decades, and we're