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All An update on where I am with the next batch of U2 kits, which I had hoped to have ready near the start of June, but clearly that was over-optimistic. Firstly the PCB manufacturer claims a 1 week

All Following Andy's design (see pasted below), I have now added a 60m filter to the kit shop http://www.hanssummers.com/shop.html?page=shop.browse&category_id=6 73 Hans

Good morning all, This is all the fault of Keith Maton G6NHU, who asked for a special version. Then we thought others might like it too. So that became v2.02k. It is based on v2.02 but the

All Thanks for waiting patiently. The new v2.02a version is now officially released. Many thanks to Andy G0FTD, Eddie G3ZJO and Keith G6NHU who beta-tested the new version. The final version is

I don't think you should assume your receiver calibration is absolutely correct or that the sound card frequency display is spot on. This is what I do to set up a QRSS transmitter. I set Argo to

Argo v1 build 143 : I set the two left-hand boxes to 1000 and the right-hand to 10138700. This allows QRSS and WSPR to run simultaneously. Obviously you need a filter bandwidth of at least 1.3 kHz

I set my receiver to 10.139000 USB Also set Argo to 10139000 Setup/calibration This takes care of the offset and you get a proper read out in the LHS Hope that helps Philip G4JVF

Hi Gang Just built my 3rd QRSS beacon - this time it's the Hans Arduino shield. Mighty fine piece of kit too! I've managed to completely confuse myself with the setup of Argo and hence the frequency

On 12/06/2013 13:15, Andy Cutland wrote: > Hi Barry, > > Well I fired it up this morning but couldn't get anything out of it. Not sure if it was able to get a fix from where the unit is located so I

Hi Barry, Well I fired it up this morning but couldn't get anything out of it. Not sure if it was able to get a fix from where the unit is located so I will take the whole thing outside to give it a

Not the first time I have Spotted Andy G0FTD's U2 on 40m but the mid screen ident was a spot of luck.. You may be able to spot yourself on my Grabber.

Hmm I was hoping for better than that, I have several Home Brew WSPR PIC MEPT's, PIC Xtal Clock sets the timing, WSPR time is accurate for months, I switch them on and off at will and they are always

I am watching this one with interest too. I have a U2 which I initially used with no GPS. I calibrated the clock frequency correctly and left the U2 on WSPR witn NO problems. After a day the U2 was

That's great Barry, thanks for the info. I hope to fix it up later tonight. 73"s de Andy ------------------------------

Hans, I may be in error and was only thinking of when I was testing with frame of 02, so it would start as soon as possible. I do find it interesting that for the frame settings that do not come out

On 10/06/2013 18:27, Andy Cutland wrote: > Hi Barry, > > My up501 has just arrived from taiwan and am eager not to blow this one up ! > > Did you place any resistors on the unit and if so what value

Hi Paul It's obviously not a particularly critical thing, but this one is interesting. Are you sure? I just checked in the code and I couldn't see how that would happen? I'll try to reproduce it here

Thanks for the info Andy. I think your reply is a yes to my question in that the two pins can be connected to the same voltage source. 73's De Andy ------------------------------

I put a series of WSPR TX time charts in the Photos section. They show the time slot for various start times and frame settings. For the 00 start time, the chart will be valid after the first hour

I put a spreadsheet to help calculate the true DDS oscillator frequency in the Files section. It allows a normal operating frequency to be used instead of an out of band frequency. Make sure that