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to those of you who posted comments, or sent me private e-mails concerning the 9:11 UNUN, and particularly to “Anonymous” who provided the link to: http://www.balundesigns.com/servlet/the-102/QRP-9-cln-1-Unun-1.5/Detail

That was an eye-opener.  If the weather isn’t too chilly or damp this weekend, I think I am going to see what happens when I use the 24.5′ and 36′ wires as the radiator.  As my friend Bob W3BBO says, this is the fun of playing around with homebrew antennas – playing around until you discover something that works for you.  It will help if propagation is decent – it’s never a great day to evaluate an antenna when just about no one is around!

The 24.5′ wire would allow decent SWRs on 40 through 6 Meters (according to the chart, the highest SWR would be on 17 Meters at 2.1:1), while the 36′ wire would allow decent SWRs on 80 through 6 Meters (according to the chart, the highest SWR would be on 20 Meters at 2:1).  In either event, this should work better than what I had previously tried, where I was getting a 3:1 SWR or higher on some bands.

I know there’s no “one size fits all’ kind of solution here. If there was, someone would be either very rich, or very famous.  My concern is to be able to go to the park, toss one manageable wire into a tree and get as much operating time in as possible.  Multi-band doublets might yield better results, but at a cost of increased setup time as well as the need for two supports. Another simultaneous goal is to be able to switch bands as much as possible, without messing around with wires too much after the initial set up.

I know – about as easy as trying to change lead into gold.

I’ll keep you who are like minded posted as to what I discover.

72 de Larry W2LJ
QRP – When you care to send the very least!

To say it is a beautiful day in New Jersey today is in understatement.  The sun is shining, and the temperatures are in the upper 60s (20C).  The breeze (if there is any) is so gentle that you don’t even notice it.  So I decided that after grocery shopping, but before other chores, that I would sneak off to the park and try out the EARCHI antenna.  I built the 9:1 UNUN late last Autumn and didn’t get a chance to try it out.

Then when I got home, I got on the computer to order some wire and rope from The Wireman.  For the heck of it, I also decided to check out Facebook.  A lot of my Ham friends had posted about how lousy the band conditions are today. In fact, one commented that he went outside to make sure his antennas were still in the air!

Courtesy of Facebook

So it ends up that today was not the day to base a critical performance review on,  I will have to wait for another weekend with decent weather and better band conditions for another test. In the meantime, I will also browse the Internet to see if I can garner more information on optimal radiator lengths for use with a 9:1 UNUN.

72 de Larry W2LJ
QRP – When you care to send the very least!

It was quite beautiful outside at lunchtime today. Sunny and 64F (18C). Unfortunately, it’s not going to last. Tomorrow is expected to be rainy with only a high of about 45F (7C). But I got to the car and enjoyed my time away from the desk. I only worked one station – EW1TZ on 12 Meters. Serge was 599+ in New Jersey and I received a 579 in return. I didn’t mention that I was running QRP (I rarely do), so I will take that 579 to the bank.

This QSO was entered into the pot for the annual “QRP Marathon” which is sponsored by Oleg Borodin RV3GM and Club72. It’s not a contest, but a QRP statistic gathering event. Basically, you add into a database your best distanced QRP contacts for the day. Here are some of the particulars from Oleg’s website:

Date and time: April 1 (00.00 UTC) to April 30 (23.59 UTC) annually.

Only the following modes are usable: CW, SSB, DIGI (PSK, MFSK, HELL, Olivia).

All HF bands 10 to 160 Meters including the WARC bands.

There is no conventional exchange. The Marathon is not a contest. Add your Maidenhead locator (i.e FN20to, for example) and your output power in the report form. Participants are to use QRP power only from 1 to 5 watts output, the “other” station may use any power. Only 1 QSO per each HF band per each day (UTC) may be submitted. Use the QSO which gave you the best distance.

Any passive power attenuators or power dividers are forbidden. Only output RF power from an active component before antenna (transistor, valve) must be submitted.

Only QSOs covering a distance of 500 km (311 miles) or more may be submitted.

All the details can be found at http://club72.su/marathon.html. The form and webpage are pretty well explained. You should have no trouble.

As of right now, I am 5th in a field of 13. That will drastically change as more QRPers enter and more entries are received. I usually end the month somewhere in the bottom half of the pack. But it’s fun and it sure would be nice to see some other W/VE operators in there. I’m not sure as to whether or not you have to be a Club72 member to participate, but membership is free – so consider joining, if you haven’t already.

72 de Larry W2LJ
QRP – When you care to send the very least!

The weather lately has been very early Springlike. Cooler than I would like, but suitable for QRP in the car without being uncomfortable. AND, the upper bands are still very active, which is nice to see. I thought I read somewhere yesterday that there was a massive solar flare headed our way. If that was the case, you wouldn’t have known it from 10 Meters this afternoon. I worked SV1CQN, LI8OM, and UY6IM all on 10 Meters.Tuning around the bands, 12 and 15 Meters seemed to be jumping too.

A couple of things for this weekend. First from my friend Greg N4GKL:

Are you ready for a exciting amateur radio challenge? Deploy as a portable station make five contacts walk one kilometer deploy again and make five contacts. Continue for the four hour period. You could do the same moving three kilometers via car, motorcycle, bicycle or other vehicle. You have entered the world of Rapid Deployment Amateur Radio aka RaDAR. You will enjoy making tradeoffs in radio, antennas, and choice of operating frequencies. The four hour period puts you under a little stress to manage all the factors in real time. Hams worldwide practice RaDAR any time they can but there is the four hour RaDAR contest the first Saturday of April and November. The next RaDAR Contest is April 5th 1400 UTC to 1800 UTC.

In addition to on foot and vehicle categories, there are also portable and at home categories. Each category has a multiplier. Power is your choice QRP and up with multipliers. All amateur bands, besides the WARC bands, are allowed including cross band contacts via amateur radio satellites. Modes – CW, SSB, AM, FM or any digital mode. QSOs via terrestrial repeaters will NOT be allowed. Call sign, Name, RS(T) Report, QTH and grid locator at least 6 characters and 10 preferred. There is a bonus for your first satellite or digital mode QSO. Also there is a bonus for your first RaDAR to RaDAR intercontinental QSO.

There are two contest managers: Eddie Leighton ZS6BNE for IARU 1 – see http://zs6bne.wordpress.com/2014/03/04/radar-the-new-contest-april-2014/ and Marcus Kessler NX5MK for RaDAR America see http://radar-america.blogspot.com/2014/02/radar-america-contest-april-2014.html You will find the contest details at those links.

RaDAR originated in South Africa headed up by Eddie ZS6BNE. It has spread to the Americas with the efforts of Marcus NX5MK. There is a growing worldwide participation with the RaDAR Community on Google+.  See https://plus.google.com/u/0/communities/109283065808971118728

Here’s another link that Greg provided: http://www.n4kgl.info/2014/03/april-5th-rapid-deployment-amateur.html

And, secondly from Karel OK1CF:

Hello!

I’m the HF manager of Czech Radioclub (ČRK). Let me tell you to announced that the first OK-OM DX SSB Contest 2014 will be held second weekend in April (12-13.04.2014) http://www.crk.cz/FILES/CZECH_DX_SSB_CONTEST.pdf

http://okomdx.crk.cz/index.php?page=englis

Thank you – I look forward to hearing from you!

73,Karel OK1CF HF Manager of CRK

72 de Larry W2LJ
QRP – When you care to send the very least!

is a very good thing, but can be bad at times.  My buddy W3BBO describes it as an “obsession” or an “addiction”.  I’d have to agree with him there. Once you get your first taste and get hooked, there’s no turning back. Add QRP power to the mix and,  if you’re addicted to challenges – stick a fork in you, you’re done.

The bands were alive with signals again during lunchtime today.  But yet, I only worked two stations. My addiction got in the way. I worked Laci HA0NAR in Hungary, who I have worked many times before. I also worked LY10NATO, who asked me to spot him, as he was calling CQ without many takers.  Being in the car, away from the Internet, I didn’t have that luxury.

My downfall came when I heard TX6G on 12 Meters. He was LOUD. 599+ loud at times.  I immediately thought, “Wow! THAT loud, here’s my chance to work them QRP.”.  Not today, Grasshopper, not today.

Undoubtedly, if I wasn’t so hard headed, I could have worked at least three or four more stations in my limited time allotment.  However, my stubborn Polish side got the better of me, and I did a Don Quixote, and chased a windmill. 

The windmill won.

72 de Larry W2LJ
QRP – When you care to send the very least!

Two for two Thursday, let’s call it!

Second day back to lunchtime QRP operating, and another good day.  The higher bands were alive again. This time I worked Russia R2014ME (I had worked R2014E yesterday), Belarus EW8O and Mexico XE2I.  And …. for the heck of it, I wanted to see if I could break the monstrous pileup that was foisting itself upon W1AW/5 in New Mexico. 15 Meters was hot and the band was long. The amount of European stations calling W1AW/5 was huge and LOUD!  Would it be possible for a QRP station, powered at 5 Watts to break that melee?

Not only was is possible, but it happened.  I made it into the log.  But it took some listening and some figuring. The W1AW/5 station set up a pattern. He was working split, and was announcing “U”, which of course meant that he was listening up.  But he was listening “in an race track pattern” as it were. By carefully listening for a while, I was able to determine a pattern:

1) W1AW/5 works a station
2) W1AW/5 moves the listening frequency up a few Hertz
3) W1AW/5 works the next station
4) W1AW/5 moves the listening frequency up a few Hertz
5) W1AW/5 works the next station

But he did this only to a point. Once he reached a point known only to him, he reversed the procedure.  He would work a station and then listen a few Hertz DOWN from the last station he worked. He kept doing this until he reached a “lower UP frequency” that he determined and then started the whole business over again.  

If I didn’t make myself clear (sometimes I have a problem doing that), what he was doing was changing his listening frequency in a circular pattern, even though he was always listening “UP”.  For example – W1AW/5 was on, let’s say 21.030 MHZ – he was working stations between 21.031 and 21.034 MHz.  And he was ping-ponging between the two. He would start listening up at 21.031 Hz and would keep moving his listening frequency until he hit 21.034 and then work back down to 21.031 and then back up to 21.034 and so on and so on and so on.

After determining what he was doing, I adjusted my transmit frequency to “get in his way”. After about three or four minutes of trying, I was able to make myself heard. Now I suppose that if I didn’t listen as much as I did, I might have made it into the log anyway, just by sheer dumb luck. But by determining what he was doing, I shortened the time (considerably, I think) that it took to get into his log. And during these lunchtime QRP sessions, time is a precious commodity, so saving time is a very good thing.

As I’ve stated before, I’m not going out of my way to take the pains to work all 50 W1AW stations.  However, today I sensed a challenge that I felt like taking on.  It’s good practice for the Fox hunts and those pesky DXpedition pileups.

Speaking of the QRP Fox hunts, I am one of the two 80 Meter Foxes tonight. This is my last stint of the 2013/2014 season.  It’s been fun and I hope to hand out a lot of pelts tonight.  As a Hound, this has been a particularly exhilarating season!  According to the last tally – I have worked 25 out of 32 Foxes on 40 Meters (78%). On 80 Meters, I have worked 24 out of 30 Foxes (80%).  This has been my best season – ever! The season ends in just a few weeks, and I hope to continue with a strong finish. Wait a second, I probably just went and jinxed myself!  Then again, I guess I can’t really jinx myself as I owe all my success to the extraordinary ears and antennas of the Foxes.

One last note.  If you get a chance, take a gander at the February 2014 edition of CQ magazine, if you can get your hands on one.  There’s an article on my lunchtime QRP sessions that was written and submitted by yours truly. Rich W2VU felt it was worth including – hopefully by accepting my article, he’s not scraping the bottom of the barrel too hard!

72 de Larry W2LJ
QRP – When you care to send the very least!

You have probably noticed my lack of activity on the blog for the past little while.  It’s been a hectic, topsy-turvy couple of months.  Let me explain.

On New Year’s Eve, my co-worker left work early, telling me that he “might be back” in a few hours.  Turns out that he was having some medical difficulties and checked himself into a hospital.  Fortunately, he healed and got better.  Unfortunately, he decided not to return to work, at least not where we work anyway.. So, since the beginning of the year, I have been alone at work, and have been busier than the proverbial “one armed wallpaper hanger”. One man doing the work of two made the possibility of leaving my desk for the car during lunch just a wistful desire.  Add to that, numerous snows, a colder than normal January and February, and I’m not so sure I would have headed out there, even if I could have!

A replacement co-worker was hired and started yesterday. So today, even though it’s overcast, it is warm (comparatively). It was 40F (4C) at lunchtime and I took advantage of not being alone anymore and headed out to the car for some lunchtime QRP for the first time since last December.  I wasn’t sure what to expect, but boy howdy, did it turn out to be great!

It seemed liked all the higher bands were just jumping with activity – 10, 12 and 15 Meters were alive with signals and I worked someone on each band.  I worked  CO6RD and R2014E on 15 meters. I worked HA9RT and OH4MDY on 12 Meters, and OK1DMZ on 10 Meters. I wish I had more time as it seemed like there were people from just about everywhere on the bands!

Whoopi-ty-aye-oh
Rockin’ to and fro
Back in the saddle again
Whoopi-ty-aye-yay
I go my way
Back in the saddle again  

 And it feels so good!

72 de Larry W2LJ
QRP – When you care to send the very least!