AmateurRadio.com

Tim Kirby, G4VXE, is a regular contributor to AmateurRadio.com and writes from Oxfordshire, England. Contact him at [email protected].

Random shack with random goodies.

For the second time this year I took inventory of the ham shack, I am a firm believer of " if you don't use it lose it" I find it very interesting how one gathers equipment and accessories and some acquire  more dust than operating time. So once again it was time to put some "stuff" up for sale and see how they move. We have a great online swap net here in Ontario and I have had very good results using it. Over the summer I made about 900.00 with moving idle equipment. This time around with adding the Alpha Delta DX-33 antenna to the attic it made other antenna's redundant and thus up for sale. I have seen folk's (not just hams) hold onto things until they are worthless....it's just a waste. There are always others who can put to good use things I am just holding onto. Along with the antennas and some other things up to this point I have made 400.00 ham bucks!!
Mike Weir, VE9KK, is a regular contributor to AmateurRadio.com and writes from New Brunswick, Canada. Contact him at [email protected].

We are pleased to announce Series Four Episode Twenty-Three issue of the ICQ Podcast, RSGB President EGM Answers has been released. Dave Wilson, M0OBW answers your questions about the RSGB EGM to be held on 19 November 2011.

Questions asked covered The New Board, Transparency, Communications, Bletchley Park & RSGB4FUN, Licensing, RADCOM, Peter Kirby, Membership and the EGM Day.

Colin Butler, M6BOY, is the host of the ICQ Podcast, a weekly radio show about Amateur Radio. Contact him at [email protected].

We are pleased to announce Series Four Episode Twenty-Three issue of the ICQ Podcast, RSGB President EGM Answers has been released. Dave Wilson, M0OBW answers your questions about the RSGB EGM to be held on 19 November 2011.

Questions asked covered The New Board, Transparency, Communications, Bletchley Park & RSGB4FUN, Licensing, RADCOM, Peter Kirby, Membership and the EGM Day.

Colin Butler, M6BOY, is the host of the ICQ Podcast, a weekly radio show about Amateur Radio. Contact him at [email protected].

I have been hearing everyone rave about the improving conditions on the HF bands, especially some great propagation on 10 Meters. Then I came across this posting by G4VXE: The Return of 10M FM. Ah, yes, I do recall having a blast running FM on 29 MHz years ago!

This triggered the thought that the FT-8900 transceiver in my car has 10 Meters in it. Lately, I have been using this quad-band FM rig (10M, 6M, 2M & 70 cm) like a dualband 2M/70cm rig. I almost forgot that it had the other two bands. I plopped a 10 Meter Larsen antenna on the SUV roof and reconfigured the coaxial cables and diplexers to get the right RF to the antenna. Suddenly, I was back on 29.6 MHz FM calling CQ. K8LF (Jerome, mobile in Virginia) came back to my call and we had a nice little QSO.

10M FM is a little bit counter intuitive (some people would say “makes no friggin’ sense at all!”). Here we have a high frequency band which can introduce fading and phase distortion (that destroys FM signals) being combined with our most inefficient modulation format (FM). Why on earth would anyone mess around with this combination?

I think FM is fun on 10 Meters for the same reason it is fun on VHF and UHF. You can be tooling down the highway with no radio noise at all and if the band is open, a signal pops through the squelch. Forget all of the static and Donald Duckness of SSB communication. When the signal is strong, FM is loud and clear.

Its good to have 10 Meters back again!

73, Bob K0NR

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

With ten metres opening up it seemed the right time to try building Roger G3XBM’s latest project: the XBM10-2. Roger describes it as probably just about the simplest CW transceiver possible for use on 10m, using just two transistors to produce about 60mW out.

This was my first attempt at construction since my radiotherapy and chemotherapy and I found it to be quite a struggle. First of all I found it difficult to concentrate while trying to work out the perf board layout. After that I got a bit frustrated with constantly juggling three pairs of spectacles due to my eyes apparent inability to focus at different distances. I also found soldering difficult due to my hands shaking whenever I brought the iron bit close to a component. I created quite a few solder bridges which I then had to clean up.

Construction took much longer than I would have taken a few months ago. But in the end it did work. Though not on ten metres yet. I’m waiting for a 28.060MHz crystal from the G-QRP club shop before I can try it out on the air.

One issue I have found (which Roger also comments on) is that the rig has a major chirp. It is definitely not T9 and I don’t know whether it is possible to improve on that. But at least it has character. If you hear a weak, chirpy signal near to the 10m QRP activity frequency give it a call. It might be me!

Julian Moss, G4ILO, is a regular contributor to AmateurRadio.com and writes from Cumbria, England. Contact him at [email protected].

This antenna works great! In my earlier post I mentioned that SWR was high on 30m, but last night I let the automatic tuner on the TS-440S match it — and ES3AX gave me a 579 from Estonia! 4Z5MU (Israel) went into the logbook last night, too, but that was on 20m.

A couple weeks ago I published my son’s take on Antenna-Days #1 and #2. Here is his take on the rest of the project:

Helping Dad Build His Antenna, Days 3-5
by Antonio Mitchell, October 20, 2011

Building the antenna has taken a bit. It has been fun for the most part. We finally have it almost finished. The past couple days have been really busy. I hope that I can remember them so that I may provide my readers with an understanding of what we did.

It was pretty chilly on Monday. The wind was blowing pretty hard so we did not get to go on the roof. We spent the day getting the antenna wire cut and put onto the balun. Once we were done with putting the antenna wire on the balun my dad had to put it on to the pulley attached to the aluminum pole. My dad and I put the pole against the house and took the two ends of the antenna wire and tied ropes to them. After that we took the ropes and tied them to some trees. It was so windy that it was hard to hold the pole. While I was holding the pole my dad took the SWR meter and tried to figure out if he needed to add or take away some wire from the connectors on the balun. It did not work so well. [Being so close to the ground, SWR was sky-high on 40m.] We took the pole and the ropes down and called it a day.

On Tuesday we first shot a weight over the house so that we could get a safety line over the house. The safety line was for when Dad went on the roof. It took us quite a few tries to get it over the house. Once the line was over we attempted to put a line over the tree which is where one end of the antenna wire is going to sit. Using my slingshot did not work. My dad went up to Runnings to get ground wire and PVC pipe to build a potato launcher. It took him a little while to find all of it. When he came home we assembled the potato launcher. After supper we tried to get a line over the tree, but it was dark and windy. We did launch a potato with a screw in it. It did not go over the tree because of the wind. It went over a couple trees. We could not find the potato.

Wednesday we did manage to find the potato. We had to cut some of the line we used. My dad decided he would get the line into the tree when he was on the roof. A friend of my dad came over and helped put the aluminum pole with the antenna attached and the other pole into the tripods. The antenna is finally up! My dad just has a few final touches to do and then it will be up there for good I hope. Last night my dad was able to talk to some people on the air using the antenna that is now on the roof.

Todd Mitchell, NØIP, is a regular contributor to AmateurRadio.com and writes from Minnesota, USA. He can be contacted at [email protected].