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Total 5 documents matching your query.

1. LF: Is it expected for antenna phase to change with varying power levels? (score: 1): Author: Chris Wilson <[email protected]>; Date: Wed, 16 May 2018 15:59:23 +0100; Hello LF'ers Playing with Stefan's auto variometer circuit on LF and I have it working quite well here, thanks Stefan!! Is it expected for antenna phase balance to change slightly as power output is; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00081.html (9,404 bytes)
2. Re: LF: Is it expected for antenna phase to change with varying power levels? (score: 1): Author: DK7FC <[email protected]>; Date: Wed, 16 May 2018 17:16:58 +0200; Hello Chris, It depends on what you mean with 'increased'. If you increase it from 1W to 10 kW then i would expect changes. But from 50W to say 200W there should not be significant changes. Watch the; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00082.html (10,418 bytes)
3. Re: LF: Is it expected for antenna phase to change with varying power levels? (score: 1): Author: N1BUG <[email protected]>; Date: Wed, 16 May 2018 11:34:51 -0400; Chris, Mine doesn't change at all from 200 milliwatts (which I use when tuning the antenna from an unknown condition) to 200 watts. We're still waiting to see what happens at higher power but getting; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00083.html (13,610 bytes)
4. Re: LF: Is it expected for antenna phase to change with varying power levels? (score: 1): Author: Chris Wilson <[email protected]>; Date: Wed, 16 May 2018 16:38:05 +0100; Hello Stefan, Yes the waveforms look perfect, only a minor phase shift from 12V supply to 55V. But the vario circuit seems ultra sensitive, a sniff of wind moving the antenna around sees the motor co; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00084.html (10,238 bytes)
5. Re: LF: Is it expected for antenna phase to change with varying power levels? (score: 1): Author: DK7FC <[email protected]>; Date: Wed, 16 May 2018 18:49:12 +0200; Hello Chris, Congrats to your working circuit. Am 16.05.2018 17:38, schrieb Chris Wilson: Hello Stefan, Yes the waveforms look perfect, only a minor phase shift from 12V supply to 55V. Maybe there is; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00086.html (10,933 bytes)

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