Clik here to view.
It's all getting out of hand!
Well,A weekend at the National Hamfest plus a trip to LAM Communications has resulted in two new radios.... One is new and one is very second hand....I've had to make another shelving unit to...
View ArticleClik here to view.
More 23cm Power Required!
Well,The other night, there were a few of us trying out JT65C on 23cm. I could decode quite a few of the other stations but couldn't be heard. This is no surprise as I was using only 10W out of my...
View ArticleClik here to view.
Wow - It's working then?
Well,A couple of updates for you.Firstly I ordered a 13cm 44 ele antenna, which duly arrived:I suspect this one is designed for beaming round corner: Not very clever!Secondly, I was looking at my 6M...
View ArticleClik here to view.
Tripping over SWR
Well,I've been thinking some more about the linear for 23cm I started back here, and more importantly how I can generate a high SWR trip signal for the control board.I have one of these directional...
View ArticleClik here to view.
Microwaves - now that's really nuts!
Well,Following the build of my amplifier for 23cm here. I've been involved in some on-air tests of the JT modes on 23cm.Here's a screen shot of my signels on JT65C as received by Tony, G4NBS in JO02af...
View ArticleClik here to view.
The SWR tripping issue
Well,You may recall that back here I was starting to construct the SWR trip mechanism for the 23cm linear I built back here. I've finished this and tested it today; as soon as the RF level on the...
View ArticleClik here to view.
4.4GHz Signal Generator - Really?
Well,I attended the GMRT event this year, one of the highlights was seeing this in the flesh:I also spotted a great project by GM8BJF which was a great signal generator covering 35MHz up to 4.4GHz...
View ArticleClik here to view.
JT4F - Really?
WellA bit more Wednesday night activity on 23cm digital modes; last night I worked Neil, G4BRK on JT4F, here's how it looked from his end:And this is from my end:Now, two main observations:There is...
View ArticleClik here to view.
Boxing Time
Well,You may remember the 35MHz to 4.4GHz signal generator made from cheap eBay components I was fiddling with last time.I've stuck it in a box now:I've removed L1 from the board:so that there is no...
View ArticleClik here to view.
Counting all the way to 13cm
Well,You may have realised that I had something in mind when I made the Signal Generator up to 4.4GHz recently? Well, the idea is to use that to test a new transverter I have for 13cm:This is another...
View ArticleClik here to view.
23cm Tap, Tap, Tap
Well,The other day on my travels I cam across a TS-2000X. Now, you may recall my declaration of No More! on a recent post. That didn't last long - did it?Here's the radio:As it's the X model it...
View ArticleClik here to view.
So, your mixing what?
Well,I mentioned in this post that I needed to find a way to test the TX of my new transverter.I've bought myself one of these:It's a mini circuits mixer, that is rated to 2GHz but probably works to a...
View ArticleClik here to view.
Measuring 13cm
Well,Following my previous musings here and the RX tests I have done on the 13cm transverter, I had a bash at testing the TX function today.I found a frequency counter and RF power meter on my travels...
View ArticleClik here to view.
QRSS Beacon
Well,Earlier on today I dug out an old QRSS beacon that I made for 30M. I plugged it into my 30M dipole and switched it on.I've just found this on the internet:This is from the live grabber belonging...
View ArticleClik here to view.
Sequencing Secrets
Well,I've been thinking some more about the 13cm project I have on the go, more importantly how I am going to arrange all the bits together.Firstly we have a 13cm VLNA from G4DDK. I've started the...
View ArticleClik here to view.
More Sequencing Secrets
Well,I've added a FET switch to the sequencer I made last time. The FET switch will provide +12V on RX to the masthead and will be used to switch the masthead relay and also power the VLNA.The...
View ArticleClik here to view.
Top Band (Again)
Well,A while ago we had some work done in our garden, this resulted in the removal of a 'purglar'; now, this was all fine except it was supporting my top band antenna I made back here.I've got round to...
View ArticleClik here to view.
Busy, Isn't it?
Well,Following my Top Band anteanna from last time, here's a WSPR map:I find it all rather hard to believe.Local conditions.
View ArticleClik here to view.
The VLNA, Oh Boy!
Well,I think I have finished the build of the VLNA for 13cm; having constructed the project I am wishing I had bought a ready built and aligned unit. This was the hardest project to date, mainly...
View ArticleClik here to view.
AVR dude - really?
Well,Over the past few months or so I have been playing with kits from QRP Labs based on the genius of Mr Hans Summers.I was using the VFO I made back here to clock my newly built Signal Generator from...
View Article