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Keith,

Could you say more about the battery backup you added? What is the exact voltage on your system? How is it different to what you had before? I have not been able to get my EM-406A to operate with the new kit, but it is working fine on the old one. In my case, the clock will not appear and the kit won't start when I set USE GPS to ON. If I set the invert GPS parameter to invert (which is wrong for the GPS, the clock appears, and the kit starts and will transmit on schedule, but the clock runs fast and within a minute or two is well out of sync with real time. This corrects momentarily when the transmit cycles end and then it runs away again.

If you have found a solution, I'd be well pleased. :))

The kit works well in every other way that I have tried, but I've only been using WSPR.

Tony

G0BZB

On 20 May 2013 21:43, Keith Maton <nentecular@...> wrote:

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Since I added battery backup to my GPS module at the weekend things are more consistent.?

When I apply power, the clock shows and it's normally accurate to within a few seconds. ?I put the GPS invert to off and the clock shows correct. ?I put the invert back to on and it stays correct without drifting. I've been running WSPR for over 24 hours on 30m/20m with no problems.

I'm very pleased to have been seen in VK land on 20m WSPR this afternoon.

73 Keith, G6NHU
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On 17 May 2013, at 10:35, Keith Maton <nentecular@...> wrote:

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All,

Following on from my other emails yesterday, last night I restarted everything again only this time the U2 and GPS were switched off for an hour or so while I worked GB70DAM on 40m.

Once I started it up and the GPS locked, the clock once again was showing 00:00:00. I inverted the input and the time showed correctly.

Today, over 12 hours later, it's still correct to the second! Compare that to yesterday when it was rapidly losing time.

73 Keith, G6NHU