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Ham College episode 83 is now available for download.

Extra Class Exam Questions – Part 21.
E5B Time constants and phase relationships: RL and RC time constants, phase angle in reactive circuits and components, admittance and susceptance.

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George Thomas, W5JDX, is co-host of AmateurLogic.TV, an original amateur radio video program hosted by George Thomas (W5JDX), Tommy Martin (N5ZNO), Peter Berrett (VK3PB), and Emile Diodene (KE5QKR). Contact him at [email protected].

From the recent GQRP club convention, video recordings are now available to view:

Just go the GQRP Club YouTube channel and you should find:

* Charlie, ZL2CTM, talking about his approach to RF Construction
* Tony, G4WIF, sharing his experiences of building and using RF Test Equipment:
* Farhan, VU2ESE, talking about his latest BITX transceiver for 2m
* Steve, G0KYA, sharing his experiences of building and using the End Fed Half Wave antenna:
* Pete, N6QW, talking about building a valve (tube) transmitter in the 21st century
* John, M0JAV, sharing the latest information and answering questions about EMF Assessments:
* Steve, G0FUW, talking about getting started with surface mount devices
* Michael, G0POT, sharing his experiences of operating from hill tops
* Roy, W7EL, talking about antenna modelling using EZNEC
* Anthony, K8ZT, sharing his experiences of operating with QRP
* Alan, W2AEW, talking about a range of RF test equipment
* Bonus Session, Operating Panel with Peter, G3XJS and Carl, GW0VSW

 

 https://www.youtube.com/channel/UClhe-ybLZzpnJh80VmFuS-A

 

If your not a member of the GQRP club, why now join today. From only £6 (UK) inc 4 issues of Sprat, and a just a few more shekels if you are in DX land: http://www.gqrp.com/join.htm

 

 

Steve, G1KQH, is a regular contributor to AmateurRadio.com and writes from England. Contact him at [email protected].

 

A member from a club I belong to the Maritime Contest Club  posted on our groups i.o.  site his choice for a DX Cluster.  Oh, before I get too far along, the link above to the Maritime Contest Club has some great information and links regarding contesting if you are interested. Back to the cluster, his choice was DX Heat. I checked it out and really liked it and up to that point my choice was DX Summit. I do like DX Summit and have been using it for some time. Most clusters offer the same thing, with just a few cluster specific features. For example, DX Summit does have a tab called Daily DX. There is a subscription fee and I imagine it's very informative, but I have to manage where and what I am a paid member of. These days you can doll out a lot of cash if you pick all that interests you. 

Anyway, I digress.....back to the cluster.  What I have really come to like about DX Heat is everything is on the home page. You can filter what you see on the cluster with convenient options on the home page. For example, you can choose to see only CW, on a certain band and from spotter only in North America (all other continents also available)  Holding your mouse and clicking on the spot you are given 3 options QRZ lookup, very interesting stats on the spotted contact or be taken to a Web SDR to tune in and listen. 

There is also the commonly found UTC clock, propagation forecast, call sign lookup and call sign spot features common to most clusters. But there is also a handy and accurate band activity, and you can select the continent you want to look at. I chose NA and you can see a visual of what bands according to the cluster spots are open and how hot the band is. This I have found has given me some surprise openings on 10m and 6m. 

So check it out and see what you think? 

Mike Weir, VE9KK, is a regular contributor to AmateurRadio.com and writes from New Brunswick, Canada. Contact him at [email protected].

 

A member from a club I belong to the Maritime Contest Club  posted on our groups i.o.  site his choice for a DX Cluster.  Oh, before I get too far along, the link above to the Maritime Contest Club has some great information and links regarding contesting if you are interested. Back to the cluster, his choice was DX Heat. I checked it out and really liked it and up to that point my choice was DX Summit. I do like DX Summit and have been using it for some time. Most clusters offer the same thing, with just a few cluster specific features. For example, DX Summit does have a tab called Daily DX. There is a subscription fee and I imagine it's very informative, but I have to manage where and what I am a paid member of. These days you can doll out a lot of cash if you pick all that interests you. 

Anyway, I digress.....back to the cluster.  What I have really come to like about DX Heat is everything is on the home page. You can filter what you see on the cluster with convenient options on the home page. For example, you can choose to see only CW, on a certain band and from spotter only in North America (all other continents also available)  Holding your mouse and clicking on the spot you are given 3 options QRZ lookup, very interesting stats on the spotted contact or be taken to a Web SDR to tune in and listen. 

There is also the commonly found UTC clock, propagation forecast, call sign lookup and call sign spot features common to most clusters. But there is also a handy and accurate band activity, and you can select the continent you want to look at. I chose NA and you can see a visual of what bands according to the cluster spots are open and how hot the band is. This I have found has given me some surprise openings on 10m and 6m. 

So check it out and see what you think? 

Mike Weir, VE9KK, is a regular contributor to AmateurRadio.com and writes from New Brunswick, Canada. Contact him at [email protected].

The hills are alive with the sound of music....well you get the idea.

This past weekend, as most of you may have known or seen, the bands were alive with a CW contest, all except the WARC bands. The annual running of the CQWW CW contest was in full swing for the entire weekend.  I try to take part in most of the large CW contests, and this one was not exempt. In this contest, for the first time EVER, I did not operate search and pounce. (search and pounce meaning searching out stations in the contest who are calling CQ and trying to contact them) I was for the first time ever a running station. (run, meaning you sit on a frequency and call "CQ contest" and wait for stations to contact you)  I CAN'T BELIEVE I DID IT.....

For those of you who are not into CW contesting when you are running (for me anyway) it's a big deal, and you have to  be on your CW game. You send out your call sign (for me at 26-28wpm) and wait for the grease to hit the fan and at times it did!  Below is how it feels to be a first-time CW running contester. 

Before I begin with the adventure, just a little background. They say that preparation is the key, and that I worked on. Over time, getting my code speed up to copy around 30wpm.  Every day I practiced with programs such as Morse Runner and RufzXP.  These are both free programs and  excellent tools. I also downloaded the CWops intermediate CW course and worked through that each day.  I worked on my keyboard skills, so I am now able to copy calls without looking at the keyboard. This allowed me to concentrate on the contest program. 

Well here we go......first thing that occurred to me was a contest simulator and the real deal is very different! I was not sending code to a computer program but a real person, it's a hobby and all, but I was very nervous about the whole thing.  Out the code went, "TEST VE9KK VE9KK" I did this about 3 times and then a station came back to me........it didn't turn out as planned. 

I heard the code but my N1MM+ contest software was just met with my blank stare.  I heard the call again, and this time it was a full out fumbling act between reading the call and keyboard stumbling. Eventually the op just moved on to another running station.  Well, that was a bell ringer for sure! I took a deep breath and tried again, and this time it was worse. The next station came back to me in around 35 wpm, and I was clueless. This time I did not even attempt to answer them, they gave their call a few times and moved on. 

I decided it was time to go back to search and pounce and that contest running at this stage in the game was not for me. I took a little break from the contest with a walk, and once I got back to the operating desk, I began to search and pounce. After making a few contacts it occurred to me that  this was the first time I tried running in a contest and for sure there are going to be hiccups. Heck after all I just did not grab my first bike and started riding it, I had training wheels..........wait a minute training wheels! 

I took a deep breath and set my N1MM+ contest program back to running but this time I opened up a program called MRP40  an excellent code reading program. Now just wait a minute, I am not giving up and relying on a code reader......it's my training wheels and will be used when needed.  Well off I went again......"TEST VE9KK VE9KK" 

The contest is now in the history books and I did keep running throughout the contest except when I did some search and pounce for needed multiplies for a better score.  Midway through the contest, I started to loosen up and began to get the hang of things. Sure, I had op's get frustrated when I messed up their call and when I asked for repeats, some just moved on. 

Some highlights were: 

-The obvious one being, running for basically the entire contest. 

- Being spotted in the cluster and BOOM I'm not trying to work a pileup, I am the pile up. They were not huge pileups and did not last for long but exciting nonetheless. 

- Having the time fly compared to search and pounce where the time went slowly. 

- My highest number of contacts ever in a contest of 412 and my best score as well of  113,775.

- Depending less and less on MRP40's decodes. 

Some funny moments: 

- With N1MM+ you are able to program macros to send preprogrammed messages.  It's when my fingers press the wrong key and send thanks for the contact before the was made! 

- Finding out the hard way that the code reader is not always correct.  I copied a call in my head and then glanced at the code reader, I may have messed up on a letter. So I change it and low and behold my head was correct and MRP40 was wrong. 

- This has happened more than a few time......forgetting to change N1MM+ from search and pounce to run and send out the incorrect message. 

- Finding myself answering one call after another and sounding  to others that I have really pulled this off to only then totally screw up the next few callers.....the way the contest can humble me.

Finally, I want to apologize to those of you with whom I messed up your call or made your contact with me a bit painful. Then those who just gave up and moved on I hope next time things will be better.  

Mike Weir, VE9KK, is a regular contributor to AmateurRadio.com and writes from New Brunswick, Canada. Contact him at [email protected].

The hills are alive with the sound of music....well you get the idea.

This past weekend, as most of you may have known or seen, the bands were alive with a CW contest, all except the WARC bands. The annual running of the CQWW CW contest was in full swing for the entire weekend.  I try to take part in most of the large CW contests, and this one was not exempt. In this contest, for the first time EVER, I did not operate search and pounce. (search and pounce meaning searching out stations in the contest who are calling CQ and trying to contact them) I was for the first time ever a running station. (run, meaning you sit on a frequency and call "CQ contest" and wait for stations to contact you)  I CAN'T BELIEVE I DID IT.....

For those of you who are not into CW contesting when you are running (for me anyway) it's a big deal, and you have to  be on your CW game. You send out your call sign (for me at 26-28wpm) and wait for the grease to hit the fan and at times it did!  Below is how it feels to be a first-time CW running contester. 

Before I begin with the adventure, just a little background. They say that preparation is the key, and that I worked on. Over time, getting my code speed up to copy around 30wpm.  Every day I practiced with programs such as Morse Runner and RufzXP.  These are both free programs and  excellent tools. I also downloaded the CWops intermediate CW course and worked through that each day.  I worked on my keyboard skills, so I am now able to copy calls without looking at the keyboard. This allowed me to concentrate on the contest program. 

Well here we go......first thing that occurred to me was a contest simulator and the real deal is very different! I was not sending code to a computer program but a real person, it's a hobby and all, but I was very nervous about the whole thing.  Out the code went, "TEST VE9KK VE9KK" I did this about 3 times and then a station came back to me........it didn't turn out as planned. 

I heard the code but my N1MM+ contest software was just met with my blank stare.  I heard the call again, and this time it was a full out fumbling act between reading the call and keyboard stumbling. Eventually the op just moved on to another running station.  Well, that was a bell ringer for sure! I took a deep breath and tried again, and this time it was worse. The next station came back to me in around 35 wpm, and I was clueless. This time I did not even attempt to answer them, they gave their call a few times and moved on. 

I decided it was time to go back to search and pounce and that contest running at this stage in the game was not for me. I took a little break from the contest with a walk, and once I got back to the operating desk, I began to search and pounce. After making a few contacts it occurred to me that  this was the first time I tried running in a contest and for sure there are going to be hiccups. Heck after all I just did not grab my first bike and started riding it, I had training wheels..........wait a minute training wheels! 

I took a deep breath and set my N1MM+ contest program back to running but this time I opened up a program called MRP40  an excellent code reading program. Now just wait a minute, I am not giving up and relying on a code reader......it's my training wheels and will be used when needed.  Well off I went again......"TEST VE9KK VE9KK" 

The contest is now in the history books and I did keep running throughout the contest except when I did some search and pounce for needed multiplies for a better score.  Midway through the contest, I started to loosen up and began to get the hang of things. Sure, I had op's get frustrated when I messed up their call and when I asked for repeats, some just moved on. 

Some highlights were: 

-The obvious one being, running for basically the entire contest. 

- Being spotted in the cluster and BOOM I'm not trying to work a pileup, I am the pile up. They were not huge pileups and did not last for long but exciting nonetheless. 

- Having the time fly compared to search and pounce where the time went slowly. 

- My highest number of contacts ever in a contest of 412 and my best score as well of  113,775.

- Depending less and less on MRP40's decodes. 

Some funny moments: 

- With N1MM+ you are able to program macros to send preprogrammed messages.  It's when my fingers press the wrong key and send thanks for the contact before the was made! 

- Finding out the hard way that the code reader is not always correct.  I copied a call in my head and then glanced at the code reader, I may have messed up on a letter. So I change it and low and behold my head was correct and MRP40 was wrong. 

- This has happened more than a few time......forgetting to change N1MM+ from search and pounce to run and send out the incorrect message. 

- Finding myself answering one call after another and sounding  to others that I have really pulled this off to only then totally screw up the next few callers.....the way the contest can humble me.

Finally, I want to apologize to those of you with whom I messed up your call or made your contact with me a bit painful. Then those who just gave up and moved on I hope next time things will be better.  

Mike Weir, VE9KK, is a regular contributor to AmateurRadio.com and writes from New Brunswick, Canada. Contact him at [email protected].

This is a report on my single-operator contest effort during the ARRL November Sweepstakes (Phone) HF Contest. Some other potential titles for this article are:

A Slacker's Guide to Working the Sweepstakes
How To Almost Work 50 States On a Weekend
A Simple Way to Get On the HF Bands

Contests on the HF bands can be a fun way to make a lot of contacts and get some new states or countries. The ARRL Sweepstakes promotes contacts between US and Canadian stations, so it is an opportunity to work those states and provinces.

The Club Challenge

I don’t usually work the Sweepstakes contest but Bill/K0UK put out a challenge to the Grand Mesa Contesters club to get on the air and contribute whatever points you can to the aggregate club score. I thought this was a good idea and decided to join in the effort. I already had committed to teaching a General License class on Saturday, so that limited my operating window to mostly Sunday. No problem, I could still make a significant number of contacts on Sunday.

I read the rules for the contest to make sure I knew the operating times, entry categories, what stations I could work for points, and the contest exchange. Sweepstakes has a complicated contest exchange, that includes a serial number (every contact gets a unique sequential number), precedence (operating class), your callsign, the last two digits of the year you were first licensed, and your ARRL section. Wow. For me, the section is just Colorado (abbreviated CO), but some states have multiple sections. It is a great idea to have the list of ARRL and RAC (Radio Amateurs of Canada) sections available. So the information I gave to the other station was something like this: 105 A K0NR 77 CO. In the example, 105 is the serial number that incremented with each radio contact.

Antenna Project

It turned out that my HF antenna at the house fell down some time ago because the rope holding the wire had rotted away. So my first task was to do a quick but effective antenna installation. We have a 30-foot Ponderosa pine in the backyard, which is my preferred antenna support. I have a number of wire antennas stashed away in my basement, including dipoles, end-fed halfwaves, G5RV’s, etc.

For this contest, I decided to use an end-fed antenna from MyAntennas.com, about 44 feet long. This antenna has a 9:1 matching transformer (an “unun”) that matches the high-impedance of the wire to something closer to 50 ohms. An antenna tuner is required to do the final matchup over multiple HF bands. This antenna is long enough to be effective on 40 meters and any higher band, which matches my usual operating habits. I had a Yaesu FT-950 transceiver available which has an internal tuner that was able to match the antenna on 40m, 20m, 15m, and 10m. This is not an end-fed halfwave…it is a “random” length of wire that is not resonant on any ham band but will radiate pretty well using the matching transformer. The advantage of this antenna is its simplicity and ability to handle multiple bands, with the push of the internal antenna tuner.

My main challenge was to get this antenna up into my favorite Ponderosa pine tree. Again, I took a simple approach. I grabbed my spin-cast fishing pole, attached two 5/16-inch hex nuts to the end of the line (to act as a weight), and cast the nuts up over the top of the tree. This may sound difficult, but it only took me three casts to get the fishing line on a limb that I liked. I let the line out and let the weight drop to the ground. Then I attached a 1/8-inch synthetic rope onto the fishing line and pulled it back up over the tree. Soon, I had my antenna support rope passing over the very top of the tree. It was a simple matter to attach and hoist the undriven end of the antenna to the top of the tree. The antenna is longer than the height of the tree, so I sloped the antenna away from the tree.

A length of RG-8 style coax connected the antenna and the transceiver in the ham shack. I did not ground the antenna transformer or add a counterpoise, hoping that the length of coax would be sufficient to act as a counterpoise. This worked out OK and the FT-950 was able to drive the antenna using just the internal antenna tuner on all bands.

Station Setup

You don’t have to have a computer to log your contacts during the contest, but you really should. Even with 50 contacts written on paper, it becomes difficult to remember which stations you’ve already worked. Also, the logging program automatically generates the serial number mentioned above. Very helpful.

For most contests, I use the N1MM Logger+ software, which is arguably the standard in ham radio contest loggers. It is free to use and is available here. I probably use about 10% of the power of this software but it is relatively easy to use, once you get familiar with it. It has templates for all of the contests, so it keeps track of your score and warns you if you’ve already worked a station. It automatically generates the cabrillo format for submitting your log electronically.

Results

With a 100-watt-and-a-wire station, you have to compete with much more capable stations during a contest. These folks may be running 1kW and gain antennas. I used the “search and pounce” technique, tuning around to find strong stations calling CQ. I typed the callsign into the logging program to make sure we have not already worked and then I called them, just saying my callsign. If they hear me, they will call me back, providing their exchange information. I enter that into N1MM and give them my info. It is as simple as that.

I can usually judge how well my station is doing by how quickly I can contact another station. If they answer me on the first call, that’s great. If it takes a few calls, it usually means that someone else is beating me out in the pileup. I was happy with the performance of the station — I was making contacts at a decent rate.

 

 

 

I made 187 QSOs in about 7 hours of operating, which works out to one contact every 2.5 minutes or so. That rate is not going to win the contest but it was good enough to keep me having fun.

The scoring multiplier for the contest is ARRL and RAC sections, with a maximum number of 84 sections. I worked 66 of them, so not too bad but not a clean sweep. I worked 45 of the 50 US states, missing South Dakota, Oklahoma, New Mexico, Utah, and Alaska. Except for Alaska, the missing states are relatively close to Colorado, so a little more time on 40m (or 80m), for shorter skip distance, would probably have gotten them. The point is that you can achieve Worked All States (WAS) on a single Sweepstakes weekend.

This is a good example of how to get an HF station up and running and make some radio contacts. I often encounter hams that are new to HF and not quite sure how to get on the air. It does not have to be complicated…get a basic transceiver, power supply, coax and a wire antenna and give it a try. Doing this on a contest weekend means that you’ll have plenty of stations to contact.

73 Bob K0NR

The post Working Phone Sweepstakes appeared first on The KØNR Radio Site.

Bob Witte, KØNR, is a regular contributor to AmateurRadio.com and writes from Colorado, USA. Contact him at [email protected].