[NLRS] 6 Meter Noise

[Clare Jarvis]

Where did you get the 440 DFing loop?


73 Clare de K0NY


> Win a new Icom IC-756PROIII and help QSL/QTH.net
> Details at: http://mailman.qth.net/index.html
> In addition to everything Jon P said ALL computer items are notorious for
> generating white noise and what might sound like birdies in you 6m signal.
> The biggest culprits are SOHO routers, hubs, switches, any 802.11x
> wireless(not the RF but the routing circuitry inside) especially the
> plastic
> cased units.  Now theoretically there is a conductive paint sprayed on the
> inside of these plastic cases to act as a shield but any bouncing around
> can
> cause that integrity to break down as that shield is dependent on all the
> inside touching parts to be conductive to each other.
>
> Add to this all the new products with computers that barely pass the part
> 15
> subpart j RF interference standards and you now have quite a number of
> products to eliminate.  After you throw your mains you may find the noise
> coming from the 15 foot unshielded interconnect cable connecting your
> neighbor's flat panel HDTV to its tuner.
>
> An FT-817 with a 440mhz DFing loop in AM mode with an antennuator at 6m
> works really well to help pinpoint source of noise.
>
> S. Earl Jarosh (ex. Steve?)
> N0HZ  (ex. KA0VYB) No Hertz, No Gain
> 612-868-1313
> earl at jarosh.org
> 6128681313 at mobile.att.net
> searljarosh at moneycenters.com
> www.moneycenters.com
>
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>


Clare Jarvis
President, Jarvis Computer Software
PO Box 1264
Winona MN 55987
(507) 454 2575