[Skimmertalk] The Ultimate Skimmer Antennas

[Jorge Diez (CX6VM-CW5W)]

Wow Jeff

Impressive, not for us hi hi

73,
Jorge

Enviado desde mi iPhone

> El 9 nov. 2017, a las 07:08, Jeffrey Maass <jmaass at k8nd.com> escribió:
> 
> Jorge:
> 
> Tim has separate Perseus SDRs for each band.
> 
> Here is an old photo of the rack, which I guess they updated with new processors.
> 
> http://www.k3lr.com/skimmer/
> 
> 
> 73,  Jeff  K8ND
> 
> -----Original Message-----
> From: Skimmertalk [mailto:skimmertalk-bounces at contesting.com] On Behalf Of Jorge Diez (CX6VM-CW5W)
> Sent: Thursday, November 9, 2017 4:38 AM
> To: Bob Wilson, N6TV <n6tv at arrl.net>
> Cc: SkimmerTalk Reflector <skimmertalk at contesting.com>
> Subject: Re: [Skimmertalk] The Ultimate Skimmer Antennas
> 
> Great Bob
> 
> And how Tim connect all this antennas to skimmer antenna connector?
> 
> All bands are receiving simultaneously or have something that is switching bands every x minutes? 
> 
> Thanks
> Jorge
> 
> Enviado desde mi iPhone
> 
>> El 9 nov. 2017, a las 00:30, Bob Wilson, N6TV <n6tv at arrl.net> escribió:
>> 
>> My friend K3LR has temporarily re-positioned his monster antenna farm 
>> in Western Pennsylvania for 6-band skimming (CW only) with the most 
>> sensitive antennas imaginable.  If your skimmer picks up something on 
>> these bands that the K3LR's skimmers miss, you're doing something right!
>> 
>> Here is Tim's summary:
>> -----
>> We are using the same Perseus SDRs – but using new high powered NUC 
>> computers – one for each band.
>> 
>> You can see what K3LR is hearing:
>> 
>> http://www.reversebeacon.net/dxsd1/dxsd1.php?f=0&c=k3lr&t=de
>> 
>> The antennas hooked to the SDR RXs are:
>> 
>> 160- HIZ 8 circle in phase with HIZ 4 square – spaced 500 feet apart – 
>> both aimed at Europe
>> 
>> 80- Two full size four squares spaced 5/8 wavelength – both aimed at 
>> Europe
>> 
>> 40- 4L Yagis:  260 feet aimed at 0 degrees, 190 feet aimed at 45 
>> degrees,
>> 120 feet aimed at 150 degrees. ALL FED
>> 
>> 20- 6L Yagis:  230 feet aimed at 0 degrees, 170 feet aimed at 45 
>> degrees,
>> 110 feet aimed at 270 degrees, 50 feet aimed at 150 degrees. ALL FED
>> 
>> 15- 7L Yagis: 160 feet aimed at 0 degrees, 120 feet aimed at 45 
>> degrees, 80 feet aimed at 270 degrees, 40 feet aimed at 150 degrees. 
>> ALL FED
>> 
>> 10- 8L Yagis:  215 feet aimed at 150 degrees, 80 feet aimed at 90 
>> degrees,
>> 50 feet aimed at 270 degrees. ALL FED
>> -----
>> 
>> 73,
>> Bob, N6TV
>> (Who is currently using a single VE3DO loop 
>> <http://www.ok1rr.com/index.php/onair/8-qmgr> on all bands, but will 
>> soon be experimenting with a short active dipole) 
>> _______________________________________________
>> Skimmertalk mailing list
>> Skimmertalk at contesting.com
>> http://dayton.contesting.com/mailman/listinfo/skimmertalk
> _______________________________________________
> Skimmertalk mailing list
> Skimmertalk at contesting.com
> http://dayton.contesting.com/mailman/listinfo/skimmertalk
> 
> 
>