Yes, I considered LMR-400 and above, but due to the rigid bending limits of those cables, I went down the scale to LMR-240 for this first install, the cable is almost as flexible as RG-58/59 etc. ...
On Tue, May 29, 2012 at 4:55 PM, Kevin Deane <[email protected]> wrote: > *Hello, figured I would give my two cents... I have gotten in with many > antennas and many radios. They say five watts is all you need with a > directional ant. I have worked AO-27 with a hustler mag mount and a FT7900, > only for a short time of course because it is not getting into the bird > that matters, it is hearing it.* > ** > *Whatever you use for receive make sure you have the best coax or > something like 9913, or lmr 400, because I found out the hard way that the > DB loss in bad or cheap coax will kill you bigtime. I have not tried an > eggbeater, but have tried the log periodic, and yagis. Like I said the > verticals, mag mount and base ant, work for closer passes for a few minutes. > * > ** > *If you can do full duplex that is the best way for sure, as you can hear > yourself and not cause Qrm. Probly was not much help here but I have heard > people have had great success with the egbeater. Maybe add a preamp at the > receive ant mast...* > ** > *Anyway good luck, and remember if you cant hear people clearly dont > bother to transmit, everyone gets all bent out of shape. > > * > > *Kevin* > *KF7MYK* > > > > > From: [email protected] > > Date: Tue, 29 May 2012 16:17:48 -0400 > > To: [email protected] > > CC: [email protected] > > Subject: [amsat-bb] Re: EggBeater > > > > Hello, can I ask a question related to this several-years old thread? At > > George Washington University, this fall we will be on the air and are > > buliding up an amateur radio club ground station from scratch. Currently > we > > are collecting equipment, cables, etc., while we wait for the > construction > > to begin on a new door in the interior of a third floor class room space > to > > let us use that area as a "radio room" or something like that. At my home > > QTH, I'm testing out the radios we can use, and would like to both > receive > > and transmit - with omni antennas (e.g., eggbeaters, QHA ) and later > AZ-El > > yagis. > > > > Assuming an LNA is used at the antenna for the RX path, would it be > > practical to use that same omni for uplink? What are the recommended > power > > settings for such an uplink for any of the recent amsats? > > > > If there was a constraint (for the summer into fall) of operating in a > > limited visibility area, and approximately 50 sq. ft of open access > (i.e., > > 21 ft monopole mast with open free area about 4 ft dia.) would that be > > adequate for any sort of uplink antenna? The good thing is that the > > ultimate location of the club station antenna farm is huge, but for now > > this is what we have. I'm open to AZ-El positioners but the mast loading > > limit is pretty small for now. > > > > Any suggestion welcome. > > > > Regards, > > > > Samudra N3RDX > > > > On Thu, Apr 16, 2009 at 9:50 PM, Edward Cole <[email protected]> > wrote: > > > > > Drew, > > > > > > Thanks for the document on this antenna. I was going to try resizing > > > the 2m Lindenblad design of Tony's but this will be a snap for me. I > > > have 1/8-inch rod elements from an old Cushcraft yagi that > > > disintegrated long ago and have some 1/2-inch sched-40 aluminum pipe > > > (7/8 inch OD) that will work fine for the vertical. I can get the > > > PVC from my local building supply. Only need to order ferrites from > > > Mouser. Since I will place a 432 preamp at the antenna a short run > > > of RG-58 or mini-8 will suffice. I probably will make some variation > > > in the materials used. I did that on the 2m Lindenblad (not assembled, > > > yet). > > > > > > 73, Ed - KL7UW > > > > > > At 08:02 AM 4/16/2009, Andrew Glasbrenner wrote: > > > >Consider trying AA2TX's excellent parasitic lindenblad design. Unlike > the > > > >overpriced eggbeater, it puts the gain on the horizon where it is > needed, > > > >and is circular across the pattern. The parts mostly are from your > local > > > >hardware store, and in Tony's typical fashion, it is simple to > assemble > > > and > > > >works well. > > > > > > > >73, Drew KO4MA > > > > > > > >----- Original Message ----- > > > >From: "Bill Dzurilla" <[email protected]> > > > >To: <[email protected]> > > > >Sent: Thursday, April 16, 2009 11:56 AM > > > >Subject: [amsat-bb] Re: EggBeater > > > > > > > > > > > > > > > > > > Steve, > > > > > > > > > > I have both a commercial and a homebrew Eggbeater and am > disappointed > > > with > > > > > both, especially in light of its rather high price. Connected to my > > > > > IC-7000 via an ARR mast-mounted preamp, performance is far less > than > > > with > > > > > an HT and an Arrow. Guess an omni can't cut it, at least not from > my > > > QTH. > > > > > > > > > > Maybe if I could get it up higher, clear of all roofs, it would do > > > better. > > > > > I can make contacts at relatively high sat elevations, but can do > just > > > as > > > > > well with a $10 dual band ground plane. My friend has an Eggbeater > and > > > > > the same preamp at a clearer QTH, and he hears substantially > better, > > > down > > > > > to 10 degrees elevation in some directions. > > > > > > > > > > Good luck and 73, > > > > > Bill NZ5N > > > > > > > > > >> > Hi Steve, > > > > >> > > > > > >> > It is surprising to read that you are not hearing > > > > >> anything. I have > > > > >> > repeatedly used a 2m and 70cm Eggbeater for the sats > > > > >> and have had no > > > > >> > problem hearing things. No pre-amp. > > > > >> > > > > > >> > I was using a short cable (e.g. less than 10 meters). > > > > >> The rigs I > > > > >> > used were a FT-736r (deaf) and a FT-847 (so-so). > > > > >> > > > > > >> > 73, > > > > >> > > > > > >> > Dave > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > Sent via [email protected]. Opinions expressed are those of the > > > author. > > > > > Not an AMSAT-NA member? Join now to support the amateur satellite > > > program! > > > > > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > > > > > > >_______________________________________________ > > > >Sent via [email protected]. Opinions expressed are those of the > author. > > > >Not an AMSAT-NA member? Join now to support the amateur satellite > program! > > > >Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > > > > > _______________________________________________ > > > Sent via [email protected]. Opinions expressed are those of the > author. > > > Not an AMSAT-NA member? Join now to support the amateur satellite > program! > > > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > > > > _______________________________________________ > > Sent via [email protected]. Opinions expressed are those of the author. > > Not an AMSAT-NA member? Join now to support the amateur satellite > program! > > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
