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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+RDF\s+for\s+Transmit\s+4\s+Square\s+vs\s+8\s+Circle\s+Array\s*$/: 8 ]

Total 8 documents matching your query.

1. Topband: RDF for Transmit 4 Square vs 8 Circle Array (score: 1)
Author: Chuck Dietz <w5prchuck@gmail.com>
Date: Mon, 16 Oct 2017 13:26:41 -0500
I was always told that, if one had a 4 square, there would be no need for a receive array. I am finding this to be untrue when looking at the list of RDFs. (Receive Directivity Factor) I have snooped
/archives//html/Topband/2017-10/msg00068.html (7,538 bytes)

2. Re: Topband: RDF for Transmit 4 Square vs 8 Circle Array (score: 1)
Author: Dennis <egan.dennis88@gmail.com>
Date: Mon, 16 Oct 2017 14:43:20 -0400
Chuck Having used both at a number of stations, I can speak with some experience here. The biggest virtue I have found of an 8 Circle array is the ability to put a bothersome station or noise in a nu
/archives//html/Topband/2017-10/msg00069.html (8,629 bytes)

3. Re: Topband: RDF for Transmit 4 Square vs 8 Circle Array (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Mon, 16 Oct 2017 15:59:07 -0400
Chuck, I don't have the experience with both that Dennis has but I have had the same beneficial results with the HI-Z 4-8Pro Rx antenna which I'm using 8 active short antennas. Sometimes I can null a
/archives//html/Topband/2017-10/msg00070.html (9,910 bytes)

4. Re: Topband: RDF for Transmit 4 Square vs 8 Circle Array (score: 1)
Author: donovanf@starpower.net
Date: Mon, 16 Oct 2017 16:28:07 -0400 (EDT)
Hi Chuck, I have both a full size transmitting 4-square and a W8JI BSEF 8-circle array using 25 foot low impedance passive umbrella verticals. There are no active electronics in the W8JI's BSEF 8-cir
/archives//html/Topband/2017-10/msg00071.html (8,776 bytes)

5. Re: Topband: RDF for Transmit 4 Square vs 8 Circle Array (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Mon, 16 Oct 2017 16:00:25 -0500
If you browse back through the Topband archives, you'll see a common thread: "You can never have too many RX antennas!". Incoming angles vary. Sometimes a Beverage is best, other times it's a certain
/archives//html/Topband/2017-10/msg00072.html (8,258 bytes)

6. Re: Topband: RDF for Transmit 4 Square vs 8 Circle Array (score: 1)
Author: W0MU Mike Fatchett <w0mu@w0mu.com>
Date: Mon, 16 Oct 2017 15:10:21 -0600
I might suggest some flags or pennants as receiving antenna alternatives with a broader beamwidth.  Easy to throw up.  I used one for all receiving in V3M lowbands and high bands and was impressed. W
/archives//html/Topband/2017-10/msg00073.html (9,996 bytes)

7. Re: Topband: RDF for Transmit 4 Square vs 8 Circle Array (score: 1)
Author: donovanf@starpower.net
Date: Mon, 16 Oct 2017 17:42:17 -0400 (EDT)
To add to Dennis' comments: you can never have too many antennas (very important exception: unless they interfere with each other). Very large arrays such as 8 circle arrays form their deep nulls in
/archives//html/Topband/2017-10/msg00074.html (10,319 bytes)

8. Re: Topband: RDF for Transmit 4 Square vs 8 Circle Array (score: 1)
Author: <daraymond@iowatelecom.net>
Date: Mon, 16 Oct 2017 17:38:03 -0500
I've had a full size four square on 160 for about 15 years. I still always put up Beverages. They heard well but usually did not out perform the TX array. That said, they hear "differently" as one mi
/archives//html/Topband/2017-10/msg00075.html (9,710 bytes)


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