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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*ULF\:\s+Experimenting\s+on\s+2470\s+Hz\s+and\s+1970\s+Hz\s*$/: 3 ]

Total 3 documents matching your query.

1. ULF: Experimenting on 2470 Hz and 1970 Hz (score: 1)
Author: DK7FC <>
Date: Mon, 06 Aug 2018 16:19:26 +0200
Hi ULF, On Sunday, 5th 2018 i successfully crossed the far field border on 2470 Hz for the first time. That's the 121 km band. Later i even crossed it on 1970 Hz, the 152 km band. These are two new r
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-08/msg00018.html (14,486 bytes)

2. Re: ULF: Experimenting on 2470 Hz and 1970 Hz (score: 1)
Author:
Date: Mon, 6 Aug 2018 13:44:43 -0230 (NDT)
Hi Stefan, Thanks for the interesting and inspiring report! I am planning a new coil for VLF to improve the ERP a bit. The 10 uW on 8270.0075 Hz appears on Paul's grabber from time to time. 73 Joe VO
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-08/msg00021.html (10,522 bytes)

3. Re: ULF: Experimenting on 2470 Hz and 1970 Hz (score: 1)
Author: DK7FC <>
Date: Tue, 07 Aug 2018 22:29:37 +0200
ULF, With some delay here (attachment) are the spectrograms showing the carrier transmissions in 424 uHz FFT bin width. I would say it is 'O copy' and it clearly looks like there is some room for eve
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-08/msg00027.html (15,846 bytes)


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