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Total 3 documents matching your query.

1. Re: LF: QRM analysis (score: 1): Author: Marco IK1ODO <[email protected]>; Date: Sat, 13 Nov 2010 21:08:03 +0100; John, it is a switch-mode power supply. Look at the stronger bands every 100 Hz. May be a luminary, a LED lamp, a CFL, a TV, a PC, a battery charger... To locate it may be really difficult. By first,; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-11/msg00249.html (9,912 bytes)
2. LF: QRM analysis (score: 1): Author: "John RABSON" <[email protected]>; Date: Sat, 13 Nov 2010 20:53:25 +0100; Please see attached screen print taken with Argo at 2010 Nov 13 1941z. The frequency marks across the top are relative to 136.0 kHz approx. The vertical bar is an artefact of the RX. The signal can o; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-11/msg00606.html (8,342 bytes)
3. Re: LF: QRM analysis (score: 1): Author: Alberto di Bene <[email protected]>; Date: Sat, 13 Nov 2010 22:54:05 +0100; On 11/13/2010 9:08 PM, Marco IK1ODO wrote: There is little to do, IMHO... it is a battle against windmills à la Don Quixote. Sometimes a couple of kilograms of TNT can do...... :-) 73 Alberto I2PHD; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-11/msg00672.html (9,178 bytes)

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