25-08-2024, 09:19 AM
Okie Dokie,
Got out early to beat the wind and forecast storms
I trimmed in accordance with the M0MCX calculator.
6 to 7.5MHz sweep is now:
The wider 6 to 29.5 MHz sweep is:
Small adjustments at either or both ends starts to push the VSWR up again. So I am calling it as good as it will get. I run a tuner in any case and it is within that range
Next tests will be on air.
Next experiment will be to pull it down and measure the length of each leg, then work out if I can fit it in if I double it...
I shall report back with any new results!
I am concerned that fiddling with bits of wire is strangely appealing.
Edit: The final measurements for the 40m OCF were 6.3 and 12.2 m. OAL 18.5 m.
So 37ish metres for an 80m OCF. With some significant tree pruning and minor engineering it might come close.
Got out early to beat the wind and forecast storms
I trimmed in accordance with the M0MCX calculator.
6 to 7.5MHz sweep is now:
The wider 6 to 29.5 MHz sweep is:
Small adjustments at either or both ends starts to push the VSWR up again. So I am calling it as good as it will get. I run a tuner in any case and it is within that range
Next tests will be on air.
Next experiment will be to pull it down and measure the length of each leg, then work out if I can fit it in if I double it...
I shall report back with any new results!
I am concerned that fiddling with bits of wire is strangely appealing.
Edit: The final measurements for the 40m OCF were 6.3 and 12.2 m. OAL 18.5 m.
So 37ish metres for an 80m OCF. With some significant tree pruning and minor engineering it might come close.