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I think the shortest factor that is the much larger diameter tube to generally be for the higher freqs, with the big diameter allowing this kind of a large bandwidth, and the other ingredient pairs for being for The 2 VHF band sections. My antenna analyzer only goes nearly one hundred seventy MHz.  I'd love to see the entire plot as much as one GHz.

I have still to acquire one of those antennas nevertheless, largely mainly because of the price. Very Truthfully I am astonished that it performs that much better than the usual scantenna does. It definitely is considerably more rugged.

A dipole will do the job better than a discone or an Omni-X at 800MHz. Attempt to established a single up all over again, for a exam, and with coax that does not attenuate a lot of within the lenght and frequency utilised.

Two or three years ago I wrote an SDR application - "DR Processor". It's got primary SDR functionality in conjunction with tone squelch, a large spectrum Show mode, and primitive frequency scanning ability. It is downloadable at n6by.com . It just wants an Extio DLL for your SDR.

Thats a tough issue to answer. Perfectly the omni is especially tuned on the bands it operates on, the place a discone will not be tuned to anything certain. But discones put up with the moment you start moving approximately 800mhz. The omni is tuned to 800mhz so one would presume it hears much better than discone.

N6BY said: Thats good. In case you are like me you'll be wanting one particular for Tv set and just one for scanning with your roof. I've obtained 450 and 900 MHz vertical Yagis mounted over a rotor on my roof for scanning (Besides a log periodic OTA antenna).

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I can only dream how properly it earth function if it had been exterior. This is the greatest dollars i have expended nonetheless on scanning. coupled with the lmr400 times coax im receiving a superb 120 miles additionally radius, no kidding you. sweet unf/vhf and 800mhz trucking which i just was not able to receive with my diamond. Now i brain you This is often in my attic !!!!!

You are able to Create your individual diplexer for those who gut out an affordable steel box, similar to a $5 CATV splitter, and solder alongside one another two or three coils and capacitors for $five and use the numerous on the net Internet centered calculators to get the values and the way to link it with each other.

That is excellent to below that it's Functioning very good for yourself. I've Dave's VHF LP and is superb and very sound.

I have been using a Diamond vertical for that ham bands for my receivers, I've observed a massive boost in effectiveness about the discone, even When they are only resonant on a couple of bands. I do not do much small-band DX-ing, which will help.

I haven't accomplished this in four+ decades, but employing WIN500 software and Radio Reference it wasn't too difficult.  

Set up was very simple & straight forward, with just the 4 radials to attach prior to mounting it to the mast (I'd an installer do that part for me). More importantly, reception is significantly improved both equally with regard to length and clarity on all three bands this model is designed for. Like many other reviewers have said, I am now receiving indicators which i could not tgagrand get just before with the Scantenna. Weak alerts have also been noticeably improved at the same time on all three bands. In summary, with 2 times in up to now I'm very pleased with the standard and functionality of your OmniX."

"Just planned to Permit you to recognize that the OmniX antenna I bought in Nov 2017 continues to be heading robust... Probably the finest scanner antenna I have ever owned."