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It would be interesting to know where the advantage is most apparant on a A99 as to where you mount the quarter wave ground planes. Do you go for the proximity to the radiator by mounting it underneath the tuning rings or do you mount it at the base of the mounting section near the SO239? The...

Very fair and sensible comment booty.

Quarter wave horizontal electrically but not straight physically.

Alternative uses for the Gainmaster.

Using radials on an half wave end fed will not show any significant improvements unless you isolate the antenna from the mounting pole and choke the antenna. The reason behind this is because if you don't isolate and choke this kind of arrangement then the mast will change the electrical length...

Lol, not even Ponty Python themselves could understand Monty Python.

The radials ARE bolted about an inch below the tuning rings. You cannot see it in the picture. Bob-85 will confirm this when he see's it. Don't talk to me about BS, i've seen your video on you tube where you compare the Imax and the Gainmaster using an antenna switch. Again you are comparing...

Because the Antron's feet point is not at the bottom. There is a piece of coax inbetween the feedpoint and the tuning section inside the Antron. So the radials are actually attached below the real feedpoint.

Yes but to understand our humour you have to be sober and off the drugs.<<More audio>>

Further to this conversation I might add:- may I make a recommendation for Gainmaster owners? Mount the antenna at a 45 degree angle, glue a fishing reel handle on the exposed coil then sit a garden gnome at the end of it.

Eddie, do you live in an area where antenna's get battered by high winds and adverse weather conditions? Do you think I havn't had Sirio antenna's? The Vector 4000 snaps off at the base when any high winds hit it, the 827 goes open circuit at the tuning coil after a couple of year, the 5/8th...

Not many have tried them around these parts but we've heard good things about them performance wise. I'm not a fan of the direction Sirio have taken to be honest Booty, the Gainmaster reminds me of a cheap and tacky 1970's car dashboard when little care was taken about quality and presentation...

Minutes taken from the Sirio December 2007 meeting:- (names have been ****'d out to protect the identities of those who chaired the meeting. Director ******- We are here today to discuss a possible new antenna design in the Sirio range of 10 and 11 metre designs. However, the rising cost of...

spiderplane on GP and Antron

Doc, you seem to have a downer on GP kits for Antrons and Imax's. Don't you understand that using your mast or your coax as a counterpoise for any antenna is just simply taking a stab in the dark? Think of all the possible arrangements you could have with different masts, coax and so forth which...

My sollution is a plastic thing with wheels on we have over here called a wheely bin lol. Cybernet on SSB is a pile of crap anyway me thinks. May donate it to the local rig doctor for parts. Even the local rig doctor may feel the need to donate it to a wheely bin. Not spending anything on this...

Problem back again, looks like a PLL issue.

Problem sorted, was C11 a capacitor thats tired. Replaced and cured.

Hell thats funny

Just had this donated by a guy at work, turns on ok, TX/RX no problem until you've been TXing for 2-3 minutes then radio goes silent on am/fm/ssb. No RX or TX, turn the radio off, leave for 10 minutes, turn back on and radio works fine again. You can listen to the radio without TXing for about...