OK Stefan.
Try it to do. may be wonderful results.

Roman

> Hello Roman,
> 
> Yes maybe i'll build a quick PA tomorrow for LF and will transmit on LF
> for 24 hours, each 10 minutes, WSPR-2. I have no idea at all how this
> antenna performs on 137 kHz. Is it still a loop or rather a dipole or a
> mixture? At least it has about the length of a full size dipole for 137
> kHz. I would TX at 10 W RF power only, so that a small accu covers some
> hours. But i'm not yet sure if i can find the time to do it tomorrow.
> 
> 73, Stefan
> 
> PS: If the antenna acts as a dipole, then it is beaming to Russia directly.
> 
> Am 05.09.2018 21:42, schrieb Roman:
> 
>> Congrts, Stefan!
>>
>> We are follow by your success!
>> Listen, do you planning to operate 136 kHz, I hear, tell me pse - do you 
>> planing try to TX with that ant on 477 kHz and 160M?
>> I will be interestin to hear about results.
>>
>> 73!
>> Roman
>>
>>> ULF,
>>>
>>> Last sunday i finally managed to detect a carrier transmission on the
>>> 191 km band in the far field. In fact the distance is higher than 1/4
>>> wavelength. A new lowest frequency of a signal generated by amateurs,
>>> detected in the far field.
>>>
>>> At 250 W RF power i transmitted for 2 hours (starting 08:08 UTC) on my
>>> 900m long ground loop antenna. It seems to be a very hard band with poor
>>> propagation. Furthermore my RX antenna becomes deaf below 2 kHz. So the
>>> S/N is much lower as expected when comparing to the results at 1970 Hz.
>>> Two spectrograms are arrached, showing the short trace in 424 uHz and
>>> 212 uHz.
>>>
>>> Before finally entering the far field in the frequency range below 1 kHz
>>> it may be necessary to build up an E field RX at the RX QTH. I first
>>> step for that was done yesterday.
>>>
>>> To be continued...
>>>
>>> 73, Stefan
-- 
73!
Roman, RW3ADB