GM4SLV wrote:
> There was much discussion on the WSPR forum on the merits or otherwise
> of this approach, in the HF sphere at least.
>
> It might be easier if we adopted the same approach as is recommended
> for HF use - to report the actual TX power, not ERP.
This does not follow. On the HF bands the ERP is close to RF power,
especially on the bands where WSPR is popular, and can therefore be
used a a rough approximation. That is most certainly not the case on
LF/MF. On 136kHz I have to run 800W RF to get 300mW ERP. Another
station might need just 100W RF to achieve the same power. Although
the ratio is smaller on 500kHz, there is still a huge discrepancy
between the RF needed to achieve the same ERP for different stations.
RF power is therefore meaningless.
Mike, G3XDV
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