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Words of Wisdom

The Amateur is Progressive...
He keeps his station abreast of science. It is well built and efficient. His operating practice is above reproach.”

— Paul M. Segal, W9EEA
 The Amateur's Code, 1928

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Welcome to Amateur Radio

Welcome to Amateur Radio

Welcome to the world of Amateur Radio. The Quad-County Amateur Radio Club is happy to help you obtain your license and get on the air. We want you to know that you are welcome at all of our meetings and get-togethers. Getting to know other hams is the best way ...

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Doug Wheelock uses ham radio in the ISS service module.

So You Want To Be A Ham

Somehow, somewhere, you have heard about Amateur Radio, and now, you find yourself looking for more information. Good for you! You have come to a good place. People get involved in Amateur Radio for many different reasons. It's a big activity and has something to offer almost everybody. Some of us ...

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Quad-County is an ARRL Special Service Club

Quad-County is an ARRL Special Service Club

ON MAY 24, the ARRL renewed the Special Service Club status for the Quad-County Amateur Radio Club. QCARC has been an ARRL Affiliated Club since 1978, and became a Special Service Club in 1985. This renewal indicates the Club's continuing commitment to providing additional services to its members and the ...

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The Parasitic Emission

The Parasitic Emission

Since the very first meeting, The Parasitic Emission was the official newsletter of the Quad-County Amateur Radio Club. Thanks to Bryan, WA3UFN, Bill, K3QEQ and the estate of the late Mason Freeman, W3DQF, almost all current and previous issues of The Parasitic Emission are available* as text-searchable, high-quality PDF files ...

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The Hamshack Net Moves To WAN-RS

The Hamshack Net Moves To WAN-RS

During the month of January, the Hamshack Net has moved to the WAN Repeater System. Testing will continue all month. Meet us there every Wednesday at 7:00 pm on a WAN repeater near you! The wide availibility of WAN repeaters should allow handheld users an opportunity to check in by ...

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Current Club Announcements

Attention All Club Members!


March Breakfast Arrowhead Restaurant, Clearfield, Saturday April 12th, 9:30 am
March Meeting Hiller Bldg, Penn State DuBois, Friday April 18th, 7:30 pm
Program: TBA

Using the Digital Repeater

(From the handout at the March 21, 2014 Club program)

You can still communicate as you have in the past, you will not have to buy a new radio, your radio will not be obsolete. The main difference is that at various times you may hear a noise similar to buzzing or a static like noise, this is likely a digital conversation. The digital conversation noise can be eliminated by setting up your radio’s receiver with a tone squelch of 173.8 Hz. The digital side of the repeater does not transmit the 173.8 Hz tone, therefore your radio will stay quiet until another analog FM radio transmits into the repeater. If you want to use the repeater, just talk as you have in the past. The repeater has the capability to detect what type of signal it is receiving and switch to the proper mode to enable you to talk to anyone whether they have a digital radio or the traditional analog FM. Also if you happen to hear or know there is a digital conversation on the repeater you can join the conversation just as you have in the past. When the repeater “hears” your analog FM signal it will switch to your mode and the folks who are using the digital mode will be switched to your analog FM mode. Everyone on the repeater will be able to talk, all automatically!
If you need help setting up your radio with tone squelch, check with one of the officers in the Club, they will be able to direct you to the right ham to help you.

Contest Results – Fall 2013

WOW! THE DAUNTLESS QCARC contest team warmed up the ionospere during several on-air operating events in October and November. Thanks to the generosity of Club President Peach Caltagarone AB3OG, we were able to string up some pretty impressive antennas at Hummingbird Speedway and rack up some pretty impressive scores, operating from the really nice cabin overlooking Hummingbird Speedway.

Antenna Science

THE MOST IMPRESSIVE antenna was the N3QC Rhombic (orange in the photo), with its beam centered on Southern Europe and the Mediterranian Sea — an area encompassing the largest hotbed of DX Contest operators in the world. In case you’ve never heard of a rhombic, it’s a wire antenna with the wires oriented in such a way as to generate a high-gain “pencil beam” in the desired direction with a very low angle of radiation. Round-the-world communications along a narrow path are possible even in poor conditions.

The N3QC Rhombic is made up of four one-wavelength (on 40 meters) legs with a 53.4° apex angle, suspended 50 feet above ground. The main lobe radiates on a bearing of 63.3° toward Europe, with a take-off angle of 21.2° above the horizon on 20 meters, and 9.2° on 10 meters. Gain is 19.75 dBi on 10 meters, 15.08 dBi on 20 meters, and 10.85 dBi on 40 meters with a 45° takeoff angle and a 60° beamwidth!

The first thing you notice about the rhombic is how quiet it is. Due to its enormous size of 240 by 120 feet (2/3 of an acre!) the aperture is large enough that nearby terrestrial noise is picked up in common mode, and cancels itself out in the feed system. Which brings us to the second thing you notice: Received signals are HUGE! The large aperture means a gigantic capture area allowing the incoming wavefronts to generate strong currents along the wires. On transmit, the nearly 20 dB gain means our 500 watt signal results in an ERP of over 40,000 watts!!!

When we first hooked it to a radio, we could hear European hams on 10 meters. It was midnight in Europe, and they were just chatting with each other using low power. tuning around the 10 meter band, I heard one station in Spain calling CQ and answered him with only 100 watts. He incredulously asked if I was really in W3. He turned his yagi toward the US and we were both astounded by the S9 + 20 dB signal strength. That was a very good sign for our upcoming contest efforts!

The rhombic is a tough act to follow, but it’s highly directional and there was a need to cover areas it didn’t. So up went two G5RV antennas. The first (red in the photo) hung at 43 feet and was aligned parallel to the rhombic’s main beam, to provide coverage perpendicular to it. Specifically, the coverage was planned to cover Japan and the Pacific, as well as the Caribbean and South America. The second G5RV (green in the photo) was suspended at 60 feet and aligned north-south to provide coverage of the US on 80, 40 and 20 meters, and have four lobes on 15 and 10 meters to the NE, SE, SW and NW to supplement the first G5RV.

Although significantly noisier than the rhombic, the G5RVs proved to do their intended jobs and provided solid coverage to their predicted target areas, just as they were designed. Although yagis or tribanders would provide more gain and flexibility than the G5RVs, the expense and effort to install towers and beams was not feasable at this time. The G5RVs were a good compromise, and worked more than adequately. Perhaps in the future, another unterminated rhombic (bi-directional) would better serve Japan, the Pacific islands, the Caribbean and South America. (Or maybe a curtain array, say an HRRS 4/4/0.5, phase-steerable +/- 30°, centered on 330°/150°. Such an antenna would cover 80% of the world’s landmass with about 16 dBi on 20-10 meters.)

The science works in practice, and I am sure that were he still with us, QCARC’s first president Gary Boucher W3GNR would be very proud of our engineering work!

The Radios

WE ARE NOT wealthy. But our club is rich in the generosity we show each other! For example, the rhombic consists of 550 feet of wire, provided by W3BC. He also provided 50 feet of RG-8 coax (enough to reach the ground) and a 4:1 balun. WA3UFN provided 150 feet of RG-8 coax to continue the feed to the shack. W3BC also provided 500 feet of rope, and the insulators used to hold the four corners of the rhombic way up in the air. His baitcasting skills and equipment launched the support ropes over the treetops. AB3OG provided the racetrack location and permission to place the antenna there. Cost to the club: $0.00 — Value: Priceless!

When it came time to operate, W3BC transported a shackful of contest-grade radios. His classic Icom IC-751A transceiver, IC-R71E receiver, IC-2KL solid-state, fluid-cooled linear, and AT-500 automatic bandswitching antenna tuner made up one operating position for the first couple events. His newly-acquired Icom IC-756 Pro III replaced the erstwhile 751 for the Phone Sweepstakes. AB3OG brought his Icom IC-765 for the second operating position. His one-time world-champion Icom flagship rig performed admirably, allowing us to tune out the severe QRM and focus on the signals we wanted.

Additionally, W3TM brought headsets, rig interfaces, voice keyer, CW paddles and footswitches to round out the operating positions. W3BC supplied the logging computers and software. He also made up Great-Circle maps centered on our QTH, with the patterns for each antenna and band superimposed. AB3OG paid the electric bill, and kept the lights and heat running in the beautiful, modern cabin, which made operating comfortable and fun. The nicely appointed cabin was the perfect blend of rustic atmosphere and modern convenience to make our time spent there very enjoyable. Those not operating were able to follow the games on a wide-screen TV, also courtesy of AB3OG.

The Club provided food, snacks and beverages, and KA3MKY brought snacks and served up the world’s best homemade chili. Nobody went hungry, and all the comforts of home were available. Again, the cost to the Club was small.

During the setup, KB3LES helped out with the heavy lifting, and brought his MFJ antenna analyzer which proved to be valuable in locatiing a faulty coax connector. That was the only equipment failure, and the CB-grade connector was completely burned up when we applied 500 watts to the feedline. (A PL-259 that meets specifications will easily handle well over 1000 watts at 50 ohms, but the cheap imitation ones sold in CB shops WILL fail at under 100 watts — catastrophically!!!) Thanks to W3TM who provided a replacement connector on a moment’s notice!

For the Jamboree on the Air, WD3D brought his Kenwood transceiver and a vertical antenna. He demonstrated the ease with which an Amateur Radio Station could be set up and talk to other stations around the world!

The Operations

THERE WAS NO shortage of operating events! We started out with the Pennsylvania QSO Party on October 12 and 13. We operated the full 22 hours of the event, and had a very sucessful experience. Not only did we score 145,000+ points, but we made a “Clean Sweep” of all 67 counties! It was very easy to bust a pileup on our first call, and we received many unsolicited comments about our “big signal”. Operators were AB3OG, W3BC, W3TM and WD3D.

Next was the Jamboree ont the Air on Saturday and Sunday, October 19-20. Boy Scouts from the local troops were invited to attend. A number of hams were present to help out. Wd3D brought a complete station and set it up, and talked to the world. Club members present were W3DWR, KA3FHV, AB3OG, W3TM, KB3LES, KA3MKY, W3BC.

This was taken 10/26/13 around 7:30pm shortly before the half million point threshold…CONGRATULATIONS JOE AND PEACH!!! [KA3MKY Photo]

Then on October 25-27 it was time for the big one… The biggest contest of them all, the annual CQ World-Wide DX Contest. Could we hope to even be heard with all the world’s biggest of the big guns? The answer was a resounding, YES! The rhombic showed its true colors as we again received many reports of a booming signal from all over the world. New Zealand at over 9,000 miles away was booming in on 10 meters. We often could hear “local” stations via long path, with their signals going 24,000 miles the long-way around the world with the characteristic 1/8 second delay or “echo”. The “red” G5RV delivered a dozen QSOs with Japan on 10, 15 and 20 meters! We worked well over 100 countries — DXCC in one wekend! We jokingly suggested that we should shoot for a million points. The truth is that we almost made it: Our final score was over 897,000 points and if we could have had even a couple more manhours on one or the other radio, we would have likely hit the million-point mark! Ops: W3BC, AB3OG. More would have been very welcome and appreciated!!!

Finally on November 16 and 17th, we set up shop for the ARRL November Sweepstakes phone contest. We entered in the multi-operator, single transmitter category. W3BC’s new Pro III was the workhorse, and the radio and antennas performed perfectly. Band conditions were fantastic. The long-path”echo” of our own signal was often heard when we let up on the transmit switch! 10 meters was wall-to-wall with stations all over the US and Canada. It was like being in one of those game show money booths, and we tried to grab as many QSOs as we could. We worked both Alaska and Hawaii right off the bat in the first few minutes, and had collected contacts in 60 different ARRL sections within the first six hours, leaving 23 to be worked for a clean sweep. By the time we shut down for the night, we had made a couple hundred QSOs, and had talked to station in all but seven states.

We started up again on Sunday morning, and found 10 meters was good for DX but not the US. We went to 15 meters and could hear that “long-path echo” on almost every station. I’ve never seen conditions that good in 47 years of being a ham. We settled into systematically tuning the band, and it seemed that on every QSO we picked up one of the needed sections. Before long, we were down to single digit numbers of needed sections. Over the course of an hour, we brought it down to the final four: Newfoundland and Manitoba in Canada, and North Dakota and Kentucky in the US. We tried tuning 20 meters, but the approaching weather front was producing S9 + 20 dB of “static” on that band. Back up to 10 meters, but not many signals, and those we heard we had already worked long before. Then on 15 meters, we almost immediately found a VY2 and the “NL” multiplier was ours. On the TV, the Steelers had just scored a field goal, so that must have been a lucky time for Western Pennsylvania.

A little more tuning around and there was Manitoba! Now we were down to two more sections. On 40 meters, there was Nancy K9DIG calling “CQ Sweepstakes” and in a matter of seconds, North Dakota was in our log! Only one more setion to go! We went down to 80 meters for an hour or two and began to give up hope of the Clean Sweep. We did work a large number of stations in an hour-long pile-up of stations who needed Western Pennsylvania, but none of them were from Kentucky. We then went back up to 40 meters to take a quick run across the band and pick up the few stations we hadn’t worked yet.

The Steelers game was over, everybody had worked everybody else and boredom was setting in. We heard one guy calling CQ and answered him. He replied, “N3QC You blew me out of my chair with that big signal. You’re the loudest station I ever heard!” Yes, our modest station was acting much more like a Big Gun than the little pistol we really were!

As evening fell, the rain was coming down and 20, 15 and 10 meters were closing when we heard a W4 calling CQ on 40 meters. Was he in Kentucky? We threw out our call. No reply. We called again a couple more times. Still nothing. And then…

Another pile-up of stations started calling us. We worked through them, and when they tapered off, we tried calling “CQ Kentucky” a couple times in the closing hours of the contest. We could visualize our hopes for a Clean Sweep sprouting wings and flying away. But up from the ashes, a friendly voice came through the speaker, “There’s a Kentucky down on 3702.”

Off we went!

Sure enough, the Kentucky station was there, working a huge pile-up. We got our ducks in a row, and AB3OG sent our call once along with the dozen or so other stations who sounded like feeding time at the hog trough. But thanks to the rhombic and the amp and the Pro III audio and the operating skill (along with a little luck), there was Kentucky calling N3QC!!! Peach finished the QSO and entered it in the log and then we all cheered the accomplishment. We had made our Clean Sweep!!! Of course that implies that we also worked all 50 states… In only a 24-hour period!

That Winning Season

THE WEATHER WARNINGS started flowing in when there were still a couple more contest hours left to go. Putting safety first, we made the difficult decision to forego the hundred or so more QSOs that would have put us over the 100,000 point threshold and opted to shut down and load all the equipment up. Mother Nature even sided with us and suspended the drenching downpour that had been going on all afternoon and evening. We tore down and removed all the equipment from the cabin, loaded it in the vehicles and then set about securing the antennas for the winter.

Sweepstakes operators were W3BC, AB3OG and KA3MKY, with a nice visit by KB3LES and his XYL Jo. We all had a great time in the Sweepstakes and all the other events. Everyone had a lot of fun and a lot of laughs. The radios and antennas worked perfectly and more than lived up to our expectations. We proved that we could get the techincal part right without spending a fortune. We also proved that we could operate efficiently for long periods without succumbing to exhaustion.

The 2013 Fall contest season had come to a close. Our club suited up and showed up. We made very good scores without overworking ourselves, and probably won some awards — we definitely won two “Clean Sweep” awards — and really, really enjoyed ourselves. The silent key founding members of our Club would be very proud of our efforts, both in the technical and the competitive aspects of the events. We did our best to honor their heritage.

The only dark cloud was that we missed you. There was plenty of fun (and food) to go around, and even if you don’t think you’re up to contesting, you could have shared our excitement and fun while watching us win each little victory and by cheering us on. Yes RadioSport is a spectator sport too, and your team spirit and support would have meant a lot to those of us who were competing on the air. Can we count on your support next time? It really does mean a lot to those of us in the thick of the competition.

LED’s vs grain of wheat bulbs

Everybody who has had burnt out bulbs in a radio, knows how hard it can be to replace them, so why not try to convert them to LED’s instead?

That’s exactly what I did in my old Kenwood TS-700A.

Now, if you look at the picture below, you can see that the S-meter has a very dim light, and also the two knobs down at the right (shortly after this picture was taken, those two lamps went out)

Now look at the picture at the right, quite a difference isn’t it?

LED’s found at RadioShack and also the resistors needed (1/4w 180-220 Ohms)

Found at Butler Hamfest

Hi everybody

Since I was just sitting here, I thought that I could show you all what I found at the ham-fest in Butler last Sunday.

Well, lets go back to the beginning in this story. In 1978, I became interested in ham-radio satellites, so called OSCAR satellites. Way back then, the AMSAT OSCAR 7 was the satellite to work. It had an orbit that made it show up every 90 minutes, and covered Europe, northern Africa, and also the US East Coast. To work US East Coast stations, you had about 5 minutes before it went down under the horizon again, so you had to be quick!

Now to the more technical part, the radio you see here at the right, is an Icom 402, it was the state of the art in late 70′s if you wanted to do some SSB on 70cm. It has 3w out-put, and that is not very much, but then again, your average 2m FM radio had a high-power setting of 10w. I used an Icom 402 on the uplink, 435 Mhz LSB, and then the signal from the satellite came back on 145 Mhz USB. The 402 was hooked up to a 46 element J-beam, and the antenna for down-link was a simple 4 element yagi. Right at the 2m yagi, I had a low-noise preamp, to help my Kenwood TS-700 hear the weak signals coming back from the satellite. I would say, that I worked a few hundred  stations via OSCAR satellites.

Now to complete this little story. At the hamfest, I paid $10 for this radio in close to mint condition! Needless to say, it made my day! Of course, there aren’t many 70 cm stations around Clearfield — much less SSB ones — but late last night before I went to bed, I went into my shack, and for some reason I tuned around the band and heard somebody! It was Joe W3BC, and he was operating from W3SO in Altoona, so that was my first QSO on my new “old” rig, Joe also gave me the frequencies for 2m and 6m, since what I stumbled into was the VHF contest, lucky them!

Hope this little essay was worth reading  :)

PS: For all you who are interested, there is a 2m version of this radio and a 6m version, Icom 202 and Icom 502, there is also a fm 2m, Icom 215.

Lars

PS2: This is a 70cm Halo antenna I built for the radio, it’s horizontally polarized and it is Omni directional (same radiation all directions)

Update on Halo, just worked W3SO, Altoona, made op laugh! Will listen for other stations also….

 

For all you new hams!

Hello everybody, now we are going to have some fun!

As some of you new hams might remember, at the last meeting I promised that you were going to play with some of my rigs at upcoming meetings, and I thought you should get acquainted with the easiest rigs first, so, take a look at the radio at the right, that is a Kenwood TS-520, from about 1975, its a so called hybrid rig, which means that it is both transistors and tubes. The tubes are used in the out-put amplifier, but the rest of the radio uses transistors, and has a built in power-supply. Bands are 80, 40, 20, 15 and 10m.

 

The second rig I’m going to introduce you to, will be the next generation of Kenwoods HF rigs, namely the Kenwood TS-440s. This radio came out around mid 80′s and is all transistorized, its got a built in antenna-tuner, the receiver covers 100khz-30mhz. It can transmit on 160, 80, 60, 40, 30, 20, 17, 15, 12 and 10m. As you can see, it also sports a digital frequency display, plus it also has a built in squelch, it does not have an internal power-supply, so you would need an external 20Amp power source. As the older radio, it too produces about 100w output. This radio also do FM and split, so you can use it on 10m repeaters.

 

The third radio I will let you play with, is the newest in my “fleet”, it came on the market in 1998- 99 and I bought it a few weeks after it came out. This is the Yaesu FT-847 and was called The earth station, because of it’s ability to operate the OSCAR satellites, on any band, and any combination. The receiver covers 100khz – 470mhz and transmits on all bands from 160m to 70cm. HF bands and 6m is 100w, 2m is 50w and 70cm 40w. So, it’s all band and all mode. The radio also have DSP and other goodies, but does not have antenna-tuner nor does it have an internal power supply. It does have 4 antenna connectors, HF, 6m, 2m and 70cm and it also have built in key’er for cw.

I also have another rig, the Icom 706MkII, but I think these three radio’s are gone be just fine to begin with, I’m sure that some of our other members can let you try some of their radio’s, but, since we are coming into the summer months, I believe we can wait till the fall before we continue with “play N learn”. If you guys N gals have any questions, or any special wishes, please do ask!!! No question are stupid or to dumb, so please ask!! I’m sure we will all have fun playing with the “real stuff”, so come down to our next meeting and “widen your horizon”

 

Yours truly

The Swede KB3WBT

 

 

Antenna Ideas..

Hi All,

Here’s the project I’m looking to undertake and I’m wondering if anyone has any particular suggestions about what might work best in this area? I’m looking to put up an antenna(s) for 160-20 meter use. I already have a 10 meter dipole, which also seems to work ok on 6 meters, but am willing to ditch that if someone has an idea that will go 160-6. I really don’t have a lot of room for a ground radial system; 30 feet in any direction is probably about the max. My QTH is at the top of a hill so it is a good location. Budget is also a consideration. What I’d really like and what I can afford are in separate zip codes. I’m sure this is fairly common!

My transceiver is a Yaesu FT-847 with 100 watts of output and I’ve got the companion FC-20 tuner. I currently don’t have any additional amplifiers. I’d like to see how far the 100 watts can take things by getting clever with antennas rather than just running up my electric bill with an amp  ;–]

I’ve got some ideas of my own, but want don’t want to predispose anyone to making certain suggestions. Any and all input is greatly appreciated!

73′s

Andy – KB3AWS  (formerly KB3ZVG)

5/1/2013 – Thank you to all who have given feedback so far. At this point I’m leaning towards a G5RV. Getting it high in the sky is going to be fun ;–]

5/22/13 – An update… I did go with the G5RV and using a one pound weight and some light rope was able to get it about 30 feet in the air. Worked a station from CT (K2GAV) on 40 Meters about 5 minutes after hooking everything up and turning the rig on. Still have some work to do to make the install more ‘permanent’, but I wanted to thank those who took the time to send me their feedback and ideas. This is still a ‘work in progress’ so if anyone has G5RV’s and wants to share any quirks, etc I’m sure everyone would be interested in hearing; I know I am!

Update Super 322 Drive-in (Click on post to get it in listform)

DRIVE IN 8-10-13   Local EDT  DL6MMG 59 59   PETER DERENSBURG 11:47  17M M0ZRQ 55 55   GLENN LINCOLNSHIRE 11:58  17M IN3ZJI 55 57   DOMONICO STORO 12:02  17M YO4DEQ 54 59   PETER CEI 12:07  17M EA5HQJ 56 56   JOSE S.SPAIN MJRCIA 12:11  17M GI4VKS 59 59   PASCAL N. IRELAND 12:18  17M RU6LC 55 56   YURI ROSTOW 12:24  17M DG6PY/P 52 55   PETER FRANKFURT 12:30  17M IW1FZR 59 59   LUKE TURIN 12:34  17M KA3FHV 59 59   JEFF ALL PORT  PA 12:37  17M DL3TW 59 59   TODD HAMBURG 12:42  17M MM0DVZ 59 59   JOHN N.INVERNES 1:01  17M YO4ROV 59 59   COSTEL ROMANIA 1:03  17M VO1RV 59 59   JIM ST. JOHNS 1:06  17M MI0VKO 59 57   DAVE ROSLEY 1:10  17M IZ8SGF 59 59   BRUNO TELESTE 1:17  17M G7DIE/M 59 59   PETER MANCHESTER 1:21  17M G0MDZ 59 59   TONY NOTTINGHAM 1:23  17M M1FJL 59 57   RAY WELLS 1:25  17M DL8VX 59 59   WOLFGANG HAMBURG 1:30  17M WA4GBU 56 57   SAM WATKINS, GA 1:43  17M G4YUM 58 44   LINDA LONDON 1:46  17M G0JMI 52 52   MIKE LONDON 1:53  17M IZ4KOJ 53 55   PAT BOLOGNA 2:00  17M AA5R/M 58 57   JD ROY AUSTIN,TEXAS 2:05  17M W3GLL 59 58   GARY FLORIDA 2:08  17M GW4AYJ 59 59   JEFF S.WALES 2:12  17M MM6KAJ 51 55   KENNY SW SCOTTLAND 2:19  17M 9H3AY   (G3SDG) 54 57   JEFF MALTA (GOZO) 2:24  17M MI0HEZ 56 57   GREGG N.IRELAND 2:31  17M GI0UVD 57 56   JOHN BELFAST 2:35  17M M0DSS 58 57   DAVE NE ENGLAND 2:43  17M DG1EBK 51 55   RAINER ZWEIBRUECKEN 2:50  17M 2I0CGZ/P 52 59   DARRYL ANNA SCALA 2:54  17M K6LPO 52 56   DICK N LOS ANGLES 3:05  17M [...]

List of internet sites to aid in the pursuit of DX by AA3AZ

http://www.dxsummit.fi/DxSpots.aspx http://www.ng3k.com/ http://www.qth.com/ka9fox/links_contest_info.shtml http://dx.qsl.net/propagation/greyline.html http://www.dxawards.com/DXAwardDir/APL1005.htm http://www.dxzone.com/ https://secure.clublog.org/loginform.php http://www.bitwrap.no/web/index.php?id=buy http://www.ham-radio.ch/guides/hrd/hrd.html http://www.arrl.org/instructions http://www.dxmaps.com/spots/map.php?Lan=E&Frec=14&ML=M&Map=W2L&DXC=N&HF=S&GL=N http://tycho.usno.navy.mil/what.html http://www.qsl.net/sm3gsj/index.htm [...]

Support at Boston marathon 2013 post by Tim Carter, W3ATB

Checkout the blog post by Tim Carter, W3ATB, concerning amateur radio support on the Boston Marathon 2013 on http://w3atb.com [...]

JOTA 2013

  Jamboree-on-the-Air Introduction The Jamboree-on-the-Air, or JOTA, is an annual Scouting event that uses amateur radio to link Scouts around the world, around the nation, and in your own community. Held on the third full weekend of October each year, this worldwide jamboree requires no travel, other than to a nearby radio amateur’s ham shack. Many times [...] [...]

Wide band SDR receiver in the Netherlands

Hey all, here is a good SDR receiver that you can use, to f.x listen to your own signal. Have fun!! Lars http://websdr.ewi.utwente.nl:8901/ [...]