Posts Tagged ‘Portable’
Give a Hoot? How NOT to Avoid Mosquito Bites!!
The Hoot Owl Sprint sponsored by the QRP-ARCI requires one to operate from 2000-2359 local time. The objective (?) is to test our ability to operate QRP Portable in the night hours, portable if possible. I chose a secret location with TALL pine trees next to an alligator occupied lake in the SE suburbs of Orlando for my site. Knowing the place is prone to giant mosquitos, I planned to use my screen house enclosure. Weather was HOT and WINDY with gusts of over 25mph so that killed option to hide from the critters inside my screen house. SHUCKS. But, the good news was the wind also blew the mosquitos out of the air so I settled in for operating from my portable table in the middle of the tall trees.
Wind did blow Ole’ Murphy in and added a couple hours to getting my 88 ft doublet up into the pines as my 1 oz sinkers hung in mid-air. The tension on the line with all that wind equaled the weight of the sinker and once it got up over the 60 ft limb it merely hung in space and didn’t descend no matter how many things I tried. Very frustrating! Eventually my Scottish and Irish nature won out over nature and I settled for a 45 ft high perch for my antenna in a slight horizontal vee config favoring NNW direction. From FL this is not a bad direction to point as it covers the better part of the USA! So with my jeans and a light jacket to break the wind, I began my contest effort, missing the first hour due to delay in getting the antenna up, so it was really dark by the time I made my first contact which was my good friend and fellow Polar Bear QRP group member the Hill Billy Bear, AF4O in Tennessee.
What a mess, I had just turned the rig on and had not even setup my BLT+ tuner but heard a quick CQ from AF4O and wanted to make the contact. I didn’t notice until afterwards that I was still in SWR position and not in operate, so the contact I made with him was thru the LED SWR Bridge which must have reduced my 2+ watt output to the lowish milliwatt range. How’s that for QRPp? Amazing that we even connected and my keying was so poor as the wind was blowing so hard the tuner was getting airborne during our brief exchange! Finally settled down and taped it to the table for the rest of the evening. Thanks for hanging in there with me Chuck! Operating in a strange place, in the middle of nowhere in the dark was a bit unsettling I was to learn.
The night effort was fun and I got to work several Polar Bear friends, Larry W2LJ, Hank WQ8RP using his club call, and Martin VA3SIE/VE2/P (what fun to send that call each time, eh?) Sure worth the effort to get out and experience the wierd band conditions. 20m was open until midnite but was pipelining to various parts of the country with STRONG sigs until it shifted to another region without much warning. It was either good or bad like that all evening but much more reliable than 40m here in the FL area.
The lesson of the night was an itchy one. I was well covered from potential mosquitos and the wind was in my favor. BUT, they found my Achilles heel (or should I say Achilles HEAD?) They managed to bite my head without my noticing in the upside down U-shaped area where the cap adjuster is in the back. I am sporting about a dozen (almost the same as my 3 hr QSO total of 13) bites that itch like crazy in that small area that was not well covered by clothing or insect repellent. So next time I go out contesting in the night, I’ll be prepared… Look out, I’m ready for ya skeeters. Grrrrrrrr!
Ultraportable Elecraft KX3
UPDATE: Steve G4GXL’s 10 minute YouTube video of Wayne N6KR’s quick overview of the new KX3 is available from http://qrparci.org. Also there are early photos on Twitpic here - courtesy of Jeff Davis KE9V including this one:

One of the earliest - and clearest - photos of the new KX3 taken at the Elecraft stand in Dayton by Jeff Davis KE9V
Under the tantalising subject line “Something *really* new at Dayton from Elecraft” and while en route to Dayton – Elecraft’s Wayne Burdick N6KR announced to the Elecraft email lists a very interesting new offering to be launched there – the KX3 and a companion 100W amp, the KXPA100.
According to Wayne, the KX3 handles all modes, SSB/CW/AM/FM/DATA (the latter including built-in PSK31 and RTTY encode/decode/display).
He promised to post full details and photos later this weekend. But that was too intriguing for the list. This is an edited and probably repetitive summary of what they managed to find out about the new set.
KX3: Ultra-compact K3/KX1 hybrid, 160-6 m, 10/100 W, all-mode, 32-bit DSP/SDR, 1.5 lbs.
Ultraportable:
- 1.5 lbs (680g)
- 1.7″ x 3.5″ x 7.4″ (4.3cm x 8.9cm x 18.8cm)
- extended KX1 form-factor (KX1 - 1.2 x 3 x 5.3″ (3 x 7.5 x 13 cm) KX1 base weight 9oz / 255g)
- internal battery pack & charger
- internal wide-range ATU
- new adjustable, attached keyer paddle
…and a K3-like front panel, including the same LCD.
RX-mode current drain ~150 mA. Very efficient on TX, with dual-output-impedance 5W/10W PA.
The optional 100W amp is in an external chassis. The internal amplifier is 10W with switchable impedance matching so it can also operate with maximum efficiency at 5W.
PA output impedance switch allows efficient 5-W use from internal batteries, or 10 W from external supply.
KXPA100 - 100 W+ with new high-performance external amp/ATU that works with most 5W to 10W rigs.
>Same flat layout as the KX-1 – just bigger box I would assume????
Yes, but with new fold-up rear tilt-feet.
>…and a K3-like front panel, including the same LCD.
>
> And it makes use of EVERY display on that LCD?? Carumba!Not quite. I think there are a couple annunciators that are not used. But it’s amazing that the design team managed to fit almost all the features of a 10W K3 into a box that is a small fraction of the size and weight. And with space left over for an internal battery pack!
By the time we’re done, we’ll be using every icon.
Totally different architecture than the K3, of course. (Wayne N6KR)
RX-mode current drain ~150 mA. Very efficient on TX, with dual-output-impedance 5W/10W PA.
> More $$$ or less $$$ that the regular K3?
Much less.
> Dual output impedance 5w/10w pa? I don’t understand.
The MOSFET 10-W amp stage includes an output transformer with both 1:4 and 1:1 windings. When using low power, or when running from internal batteries, the 1:1 winding is used, which optimizes efficiency at about 5 W, greatly reducing transmit current drain. The 1:4 winding is used when running higher power (using an external supply).
> One email said 10w/100w models. Is that correct?
The 1.5-pound radio itself puts out 10 watts+. We’ll also be describing a new, high-performance 100-watt+ companion amplifier/ATU for fixed-station/mobile use. It will work very well with other 5 to 10-W radios besides the KX3.
From follow-up discussion etc it appears as if the base price of the KX3 will be US$799. Availability towards end of 2011. See video for a pretty comprehensive outline of features. Options for the KX3 include roofing filters, internal battery pack and ATU similar to one of K3. Truly an exciting trail friendly radio!
I’ve created a page where I’ll pull together all the available information there is about this ultimate trail friendly radio.
QRP in the Park – Lakeland, Florida
QRP In the Park–Lakeland is your chance to show the rest of us how you do it!
For the past several months we have considered traveling to nearby communities in Central Florida to help QRP operators connect with one another. We’ve gotten a good response from hams in Lakeland and Port Orange areas, and we hear of active groups in the Melbourne and Daytona Beach areas. Lakeland has an advocate, Ren KG4BAS who contacted us about getting together and a possible Central Florida QRP Group in Lakeland. WAHOO!
We’re excited to see the interest and look forward to our first meet up Saturday 14 May, 2011 at Lake Parker Park in Lakeland at 0900. Here’s directions from Ren:
I-4 West to exit 32.
Make left onto 98S and go .4 miles to Griffin Rd.
Make left and go .7miles to the end of Griffin Rd.
Make right onto Lakeland Hills Blvd and go .3 miles to Granada.
Make left onto Granada and go .2 miles to Gate 2 entrance of Lake Parker on left.
Hope you can join us. Bring something to drink and snack on, your QRP gear, operate, show n tell, get ideas for your portable ops and enjoy the outdoors.
Questions? Contact Ren or Kelly K4UPG. See ya in the park!
72,
Kelly K4UPG, Jim K4AHO, Ren KG4BAS and the Central FL QRP Group!
Why Do We Do It?
Another QRP To The Field is in the books. Some may wonder why we do it…why spend the time and energy to take our rigs outdoors and operate? Guess if you have never done it, you will never know! The weather made things tough for many parts of the country, but it was sure sweet to live in Florida for this one. Sunny and a warm 87F with a bit of breeze down by the lake made my day a very special one.
The bands were fair to poor, but who cared? I was enjoying my hobby, making a few contacts, giving out points to the more serious contesters and spending time in the outdoors. It is a bunch of fun to make contacts with 2 watts and change, use a straight key and launch an antenna up about 35-40 feet in the pine trees.
Between QSO’s the ospreys provided some entertainment as they swooped down into the lake to snag a fish for their dinner while 4 guys on jet skis raced around our little lake. Not a bad way to spend a Saturday afternoon. That’s why I do it! How about you?
Anticipation – – – HAMCATION & IDGOTAES
Wahoo! It is that time of year again. I am counting down the days to one of my favorite ham radio activities… Orlando Hamcation is coming on Feb 11-13.
After reading the editorial in the new issue of World Radio Online a cord was struck that resonated with this here ham. I realized that I have a common disease. The article says, “Seems there are a lot of radio amateurs suffering from IDGOTAES.” OH NO… I have it. Throughout the month of December and most all of January, I’ve been sidetracked with other priorities and without realizing it have become afflicted with IDGOTAES. ( “I Don’t Get On the Air Enough Syndrome” ) This is a bad one and only can be cured by some serious outdoor QRP activity if you are a true portable QRP op like me.
Praise the Lord, there’s some good opportunities to get on the air coming up and one cannot find a better place to stock up on goodies than the vendors, swap tables and tailgate are of HAMCATION. So kick off the winter snow-bound blues and git on down here and enjoy with me.
We’ll be holding an unofficial gathering of QRP types on Saturday Feb 12, 2011 at Hamcation. Let’s meet up at noon at the QRP ARCI booth and swap stories and get to know one another. Look for the wild eyed guy in the bright yellow cap that says K4UPG on it and his very distinctively white haired partner Jim K4AHO won’t be far away! Be there and let’s get over this dreaded disease together as we plan some Central Florida QRP Group outings for the rest of the year. QNI? Ya hear?
72,
Kelly K4UPG PB #173
QRP kits retirement plan
Quite frankly I can’t think of anything worse than choosing QRP Kits to ‘lay down’ as an investment, rather than build. Mind you it doesn’t look like they need to be put in the cellar for very long!
Balancing Act
Every now and then we hit one of those seasons of life where our work gets in the way of our hobby. For the past month, seems like work has overtaken the time and my radios have sat idle for WAY TOO LONG.
Thankfully, this weekend brings some relief and our Central Florida QRP group will take to the outdoors for our monthly outing. No one will be able to complain about the weather being too hot either, as the northland has sent us a reminder of why we moved to Florida. When it gets below 55F we get cranky and it looks like it will barely go above that temperature this weekend.
So look out for us this Saturday, 11 December 2010 about 1500-2000 UTC on the QRP watering holes on 40m, 30m, 20m and who knows where else. We’ll be out there with rusty fists on the keys once again. YAHOO!
72,
Kelly K4UPG PB #173



















