[Elecraft] Alternative battery for K2?

2015-08-15 Thread TF3KX
Hi everyone. Has anyone any experience or suggestions on replacing an aging internal K2 battery (the standard lead-acid type) with one of the newer, lighter and more energy-dense batteries? I know there were some safety concerns with lithium-based batteries early on, but now that they are are

[Elecraft] Can I measure antenna impedance with K2?

2014-07-31 Thread TF3KX
was close to resonance or even estimate its input impedance, as measured at the K2 antenna connector. Can I measure the antenna SWR and bypass the ATU while I am doing that, to get at least an idea?73 - Kristinn, TF3KX -- View this message in context: http://elecraft.365791.n2.nabble.com/Can-I

Re: [Elecraft] Can I measure antenna impedance with K2?

2014-07-31 Thread TF3KX
for a small program or an app... 73 - Kristinn, TF3KX -- View this message in context: http://elecraft.365791.n2.nabble.com/Can-I-measure-antenna-impedance-with-K2-tp7591798p7591803.html Sent from the Elecraft mailing list archive at Nabble.com

[Elecraft] No SSB output - microphone or something else?

2011-07-27 Thread TF3KX
? Or can we run some other tests to verify if it is actually the mike rather than something else? 73 - Kristinn, TF3KX -- View this message in context: http://elecraft.365791.n2.nabble.com/No-SSB-output-microphone-or-something-else-tp6628626p6628626.html Sent from the Elecraft mailing list

[Elecraft] KX3 vs. K3 and other rigs?

2011-06-05 Thread TF3KX
list up, the primary differences between, say, KX3 and K3? Not only in terms of technical specs (IMD, etc.), but also the internal structure (both with similar RF/DSP architecture?), features, etc.? 73 - Kristinn, TF3KX ..proud maker and owner of K2 #6425 -- View this message in context: http

Re: [Elecraft] KX3 pics

2011-05-30 Thread TF3KX
Somewhat less protuding knobs, as well as a thinner dial knob would be more balanced with the rest of the unit, and would also be less vulnerable for transportation. 73 - Kristinn, TF3KX -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-pics-tp6387458p6420852.html Sent

[Elecraft] [OT] Suggested techniques for teaching CW?

2009-05-08 Thread TF3KX
methodologies and approaches (frequency of classes, length, character groups,...) - Other activities to support and encourage (kit building, on-air sessions,..) 73 - Kristinn, TF3KX -- View this message in context: http://n2.nabble.com/Suggested-techniques-for-teaching-CW--tp2846635p2846635.html Sent from

Re: [Elecraft] [K2] ...Hot glue toroids to PCB??? No is the answer...

2009-03-03 Thread TF3KX
, this is a way to keep everything in place without ever using a drop of glue. 73 - Kristinn, TF3KX WE0H wrote: Wow, quite a response. The consensus is do NOT glue the toroids and I won't. One guy said he has a radio that traveled 500k miles in a big truck and I surely know what that kind

Re: [Elecraft] Nabble: new look and feel (if you read the Elecraft list on the web)

2009-03-03 Thread TF3KX
that I had previously missed. The new setup appears to be well thought out, easy to navigate through and definitely a big improvement. 73 - Kristinn, TF3KX /K2 #6425 Leigh L. Klotz Jr WA5ZNU wrote: If you read the Elecraft mailing list through the Nabble website, please read on. If you

Re: [Elecraft] Need Help with XG1

2009-01-30 Thread TF3KX
to be the problem. 73 - Kristinn, TF3KX Pete Smith wrote: I have an XG-1 Receiver Test Oscillator which I must have accidentally zapped with RF somehow (I don't know when) because the output resistors R6-8 were fried. I replaced them, as well as R4 and R5, C4 and the transistor

Re: [Elecraft] K2 Battery Charging System With out Mods?

2008-09-27 Thread TF3KX
has kept my K2 running for a total of 15-25 hours, on trips lasting weeks. 73 - Kristinn, TF3KX w1ujr wrote: Hello all, Is there a simple off the shelf model of battery charger which I can buy or build that will properly charge the K2 battery? I'd prefer not to drill a hole in the rear

Re: [Elecraft] Where have all the K2s Gone?

2008-09-12 Thread TF3KX
stockpiling as they run out of production...? 73 - Kristinn, TF3KX Raymond METZGER wrote: K2 # 5,636 still live and used alternatively with my K3. Mainly, but not necessarily, for portable operation at other locations. Running two rigs is better and safer than only one. The K2 offers

Re: [Elecraft] K2 power setting for SSB QRP?

2008-08-09 Thread TF3KX
be 5W - if I set my power level at 10W my SSB PEP output power will actually be 10W (avg power somewhat less) ...or relatively close to this. Right? 73 - Kristinn, TF3KX hank k8dd wrote: - Original Message - From: David Yarnes [EMAIL PROTECTED] To: Ron D'Eau Claire [EMAIL PROTECTED

[Elecraft] K2 power setting for SSB QRP?

2008-08-07 Thread TF3KX
to the notion that no more than 5W should enter the antenna terminals at any time. At any rate, this brings me to the question: If I adjust the power level of my K2 to, say, 5W, using the power knob, will the rig then actually send out SSB at 5W PEP, 5W average, or something else? 73 - Kristinn, TF3KX

Re: [Elecraft] Ham and Son Electrocuted

2008-07-16 Thread TF3KX
situation. A wet spot or a slip of the foot would not be taken back. I'll rather be safe than sorry the next time. 73 - Kristinn, TF3KX Bruce Prior-2 wrote: Message: 1 Date: Tue, 15 Jul 2008 10:20:32 -0600 From: Bruce Rattray Subject: [qrp-canada] FW: [skcc] Ham and Son Electrocuted

[Elecraft] OT: Software measuring S/N and signal strength thru soundcard?

2008-07-11 Thread TF3KX
suggestions for such software? 73 - Kristinn, TF3KX -- View this message in context: http://n2.nabble.com/OT%3A-Software-measuring-S-N-and-signal-strength-thru-soundcard--tp473971p473971.html Sent from the Elecraft mailing list archive at Nabble.com

Re: [Elecraft] K2 Part ID Help?

2008-07-02 Thread TF3KX
Tim: The choke you already have is the right one. I came across the same problem, contacted Elecraft and they confirmed that the green body version of this choke has the orange stripes look more like brown. So, I went ahead with my green body choke and it works perfectly. 73 - Kristinn, TF3KX

Re: Re: [Elecraft] K2 - signal loss in band-pass filter

2008-06-05 Thread TF3KX
no signal is present, and I do not get the S-meter quite up to full scale when the RF gain is turned fully CCW. If I am correct, this is due to the low 8V and that would be an incentive to get that voltage fixed. 73 - Kristinn, TF3KX David Woolley (E.L) wrote: Are LB3SA wrote: But if you have

Re: [Elecraft] K2 - signal loss in band-pass filter

2008-06-03 Thread TF3KX
it. If there is something there to watch out for, it may help others... 73 - Kristinn, TF3KX Are LB3SA wrote: Thanks to both for info and assistance. You were right Don about the 'weirdness' when injecting signals by C7. It turns out that the sensitivity issue was caused by a tiny solder bridge

Re: [Elecraft] K2 - signal loss in band-pass filter

2008-06-03 Thread TF3KX
not be calibrated properly. I will ask Elecraft to send me a new regulator. 73 and good luck! - Kristinn, TF3KX Are LB3SA wrote: It was actually one of your earlier posts (thanks!) that prompted me to inject the IF signal before and after the IF Amp. At that point I had pulled out lot of hair

Re: [Elecraft] K2, K3 cases now with side pockets

2008-05-30 Thread TF3KX
Great! Are there any photos available, showing the 1- and 2 pocket design? Or outer dimensions? My interest is a carrying case for the K2, with one or two pockets (for a small mike, key and bundle of antenna wire). 73 - Kristinn, TF3KX Ken Kopp-3 wrote: I've had several requests

Re: [Elecraft] K2: A small milestone!

2008-05-27 Thread TF3KX
this was achieved? Working contests, odd hours, simply lots of time on the air, using announcements of DXpeditions, clusters, studying propagation, etc.? 73 - Kristinn, TF3KX Mike K8CN wrote: Although this will come as no surprise to many readers of this forum, it is possible at the very

[Elecraft] KSB2: Accidentally reversed RP2 - OK?

2008-05-14 Thread TF3KX
- Kristinn, TF3KX -- View this message in context: http://www.nabble.com/KSB2%3A-Accidentally-reversed-RP2---OK--tp17242103p17242103.html Sent from the Elecraft mailing list archive at Nabble.com. ___ Elecraft mailing list Post to: Elecraft

[Elecraft] K2: Low 8V, and adjusting AGC and S-meter

2008-05-11 Thread TF3KX
is on the way. My questions are... - Wouldn't the low 8V level be the cause of the above symptoms (a) and (b)? - Any reason I should or should not replace that 8V regulator, anyway? 73 - Kristinn, TF3KX -- View this message in context: http://www.nabble.com/K2%3A-Low-8V%2C-and-adjusting-AGC-and-S-meter

[Elecraft] K2: What do you have in your portable/travel kit?

2008-05-08 Thread TF3KX
wire, telescoping pole,...? 73 - Kristinn, TF3KX -- View this message in context: http://www.nabble.com/K2%3A-What-do-you-have-in-your-portable-travel-kit--tp17140215p17140215.html Sent from the Elecraft mailing list archive at Nabble.com. ___ Elecraft

Re: [Elecraft] OT - Looking for a code buddy

2008-05-07 Thread TF3KX
always pull the plug or sweep the dial and disappear to another frequency... :-) 73 - Kristinn, TF3KX J. Heide wrote: I have decided it is time to learn morse code! I have been using the computer for practice, both sending and receiving. The K3 in test mode makes a great practice

[Elecraft] Portable CW paddles for K2?

2008-04-25 Thread TF3KX
found with some paddles. 73 - Kristinn, TF3KX -- View this message in context: http://www.nabble.com/Portable-CW-paddles-for-K2--tp16894191p16894191.html Sent from the Elecraft mailing list archive at Nabble.com. ___ Elecraft mailing list Post

Re: [Elecraft] Import duties on amateur radio items

2008-04-08 Thread TF3KX
custody an envelope with a transistor and five ceramic capacitors from Elecraft, marked with the value of $1. I managed to convince the customs that these were replacement parts and I had already paid for the original kit earlier, but I was lucky this time. 73 - Kristinn, TF3KX Ken Kopp-3 wrote

Re: [Elecraft] Import duties on amateur radio items

2008-04-08 Thread TF3KX
with all its paperwork and expenses - in other words, there is no minimum here below which small shipments are simply exempt. Well - I guess this is getting a bit off tangent for the Elecraft reflector... 73 - Kristinn, TF3KX T. David Yarnes wrote: - Original Message - From: TF3KX

Re: [Elecraft] k2 test rx v.poor

2008-03-28 Thread TF3KX
- Kristinn, TF3KX http://radio.tf3kx.googlepages.com Chris-584 wrote: hi im at the stage with k2 sno 6436 where i have done alignment test part 2 pll,vco,bfo, all tested ok with good ranges. vfo linearization ok, but next to no audio noise in my headphones on recive (audio side tone good

Re: [Elecraft] K2 #6425 low/no sensitivity - suggestions?

2008-03-18 Thread TF3KX
, but will leave it as is for now and probably get a replacement regulator when I'm done building the K2. Hope others will learn from this. 73 - Kristinn TF3KX wrote: Hi - I am in the process of constructing my K2 and have two problems that may or may not be related. Problem 1: Low, almost

Re: [Elecraft] K2 #6425 low/no sensitivity - suggestions?

2008-03-17 Thread TF3KX
anyone run into this before, and have suggestions to try out? 73 - Kristinn, TF3KX TF3KX wrote: Hi - I am in the process of constructing my K2 and have two problems that may or may not be related. Problem 1: Low, almost nonexistent RX sensitivity during Alignment II. I can manage

[Elecraft] K2 #6425 low/no sensitivity - suggestions?

2008-03-16 Thread TF3KX
on U12 are consequently a little low, but otherwise not abnormal. I plan to get a local replacement for the 8V regulator, just in case. But does anyone have comments on the low sensitivity? Would the low 8V level be a possible cause for this? 73 - Kristinn, TF3KX -- View this message in context

[Elecraft] Most significant K3 advantages?

2008-01-30 Thread TF3KX
something like the top 3 (or whatever number) advantages / features. This would help identifying where this rig really shines. 73 - Kristinn, TF3KX -- View this message in context: http://www.nabble.com/Most-significant-K3-advantages--tp15177203p15177203.html Sent from the Elecraft mailing list

[Elecraft] K3 as an antenna analyzer?

2008-01-19 Thread TF3KX
may debate what is a substantially different Z, but I wonder what others think of the idea... 73 - Kristinn, TF3KX -- View this message in context: http://www.nabble.com/K3-as-an-antenna-analyzer--tp14976948p14976948.html Sent from the Elecraft mailing list archive at Nabble.com