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Total 5 documents matching your query.

1. LF: Fieldstrength and radiated power (score: 1): Author: Markus Vester <[email protected]>; Date: Tue, 2 Aug 2011 12:26:19 -0400 (EDT); Dear LF, to support estimates of radiated power, I have added a fieldstrength readout on my LF grabber http://www.alice-dsl.net/df6nm/grabber/Grabber.htm It simply displays the peak frequency and amp; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00321.html (9,910 bytes)
2. Re: LF: Fieldstrength and radiated power (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Wed, 03 Aug 2011 14:02:49 +0200; Hello Markus, Well, so, i just got 19 uV/m and the distance is 178.2 km. So this should be 25.57 + 45 + 3.6 - 49.5 = 24.7 dBm, i.e. 540 mW ERP :-( I see what must be improved... 73, Stefan Am 03.08.2; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00419.html (13,495 bytes)
3. Re: LF: Fieldstrength and radiated power (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Tue, 02 Aug 2011 23:42:09 +0200; Thanks Markus, Will try now if it works and see what my level will be ;-) Good for PA adjustments, at least in times without a skywave component. Anyway... So, do we have to send a longer dash or aci; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00476.html (11,099 bytes)
4. Re: LF: Fieldstrength and radiated power (score: 1): Author: Markus Vester <[email protected]>; Date: Wed, 3 Aug 2011 07:03:50 -0400 (EDT); Hi Stefan, LF, there is no peak-hold function, so your carrier has to be present at the grabber capture time. Allowing for a bit of clock uncertainty, you would want to transmit for say 20 seconds ar; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00527.html (12,283 bytes)
5. Re: LF: Fieldstrength and radiated power (score: 1): Author: Markus Vester <[email protected]>; Date: Wed, 3 Aug 2011 08:26:45 -0400 (EDT); ... what would mostly need improvement might well be my calibration accuracy ;-) 73, Markus Hello Markus, Well, so, i just got 19 uV/m and the distance is 178.2 km. So this should be 25.57 + 45 + 3.6; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00546.html (9,524 bytes)

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