I think this is more properly a "Clapp trap," used with a Clapp oscillator to filter out... Oh, nevermind. :) Kim N5OP I don't even know what a claptrap is, so it couldn't be too bad! Maybe somebody
I don't recall the details in the original message, but at least with my O2, I have noticed that if I mistakenly transmit into the wrong antenna, or no antenna or a short or.. Basically anything with
Isn't this part of why TT provided AGC slope in the RX menu? I find that, depending on conditions, either 1:10 or 2:10 allows me to separate signals rather well in a pile-up. A strict adherence to AF
I think the problem with that approach is that you can't truly turn off the AGC in the Orion II. At some level, it is required for parts of the DSP. I'm not sure what happens when you select "off" fo
I use RedHat 64 bit and Win7 64 at work. I use application that run only under Win 7 and run/write programs under linux. I've found that Windows does its best to be user friendly, at the expense of v
There were bungees prior to WWII. Well, prior, in fact. They were used extensively as shock absorbers on aircraft landing gear. Most aircraft on both side had them. Exposed to weather, they are fragi
You can buy and use USB-parallel interfaces. Whether they will work and whether you can find drivers that Win7 is happy with is are other things that might get I the way. It's worth a try, but new pr
Yeah, there's no compatibility mode for 16 bit stuff. Not even in Mac or Linux Kim N5OP "People that make music together cannot be enemies, at least as long as the music lasts." -- Paul Hindemith
Some new motherboards don't have PCI slots -- they've gone to PCIe. Fortunately, PCIe add-ins are both common and cheap! Kim N5OP "People that make music together cannot be enemies, at least as long
If you could phase these so as to generate and receive cochlear polarization (90 deg), either LH or RH, you might see a very big increase (I think as much as 6 dB) in rx signal strength from what I'v
Arggghh! I despise "auto-wrong!" Meant *circular polarization.* Linearly polarized radiation becomes circular after reflection from the ionosphere due to Earth's magnetic field. I dunno what cochlear
Correct, Jim. The FAA radars use circular polarization to attenuate weather returns. The WSR-88D radars used by the NWS originally used linear horizontal polarization because raindrops are essentiall
I didn't do this with a Corsair, but I did try it with my Kenwood TS-930S, all with headphones. I matched the CW pitch and adjusted my Orion II CW bandwidth to the bandwidth of the Kenwood (400 Hz).
I have an HQ-170! My dad W5JHJ (SK) bought it knew in May 1959. It does sound good, however completely different from my TT O2 or my '930S. The audio stage band pass filtering has a lot to do with th
Within the DSP setup in the O2 (and probably the other TT DSP radios) we can select the number of "taps," which I think sets the number if samples or the sample interval. I played with that some time
Indeed I am! I'm also adding ripple to the passband, decreasing the ultimate rejection and adding ringing to the filter skirts. In short, it's a DSP way to make the passband look more like the physic
In discussion of an Omni D, Rick and maybe someone else mentioned that old crystal filters may no longer meet spec and can result in significantly reduced sensitivity. I know that crystals age and th
UPS can, and often does, break anvils. Kim N5OP 73, Al I view it smart to ship via Fed-X. I had my Eagle recently damaged by UPS during transit. It was double bubble wrapped and double boxed with foa
I may have been too stingy in targeting blame: FedEx has, from time to time, also floated to the top of my septic tank for its uncanny ability to destroy solid steel ingots regardless of packaging. S
Sorry to learn this, Bob. Was a signature required for delivery? If so they must get something from some before they throw it off the truck at the door. If you have the S/N, publicize it. I hope thy