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Optima send an email to 91dd018@gmail.com. thanks and rgds, dave

microphone DXman, we have added another 6db to the mic audio circuit so it can drive non standard mics a little harder. The hand mic it comes with on full mic gain may prove to be too loud for close stations at times but drives it great on FM for +/- 2khz deviation. I use the standard mic as I...

Huracan Echo and talk back are still there.... Just the same as Simon's prototype but starts at 25mhz. 28 and 29mhz bands are in 1mhz each. 25-27mhz are split in 2 bands of 500khz so we have all 8 band segments working. Band A-F 500khz bands. G and H 1mhz to give better coverage of the 10m...

Huracan Huracan is available but only in the 5khz step and 25-29.9mhz version We seem to have maxed out what this design can do for now and will be switching to a smd board in the future. I do have a dozen or so of the last production available.

a useful video of the optima YouTube - A first look at the Yeticom Optima SSB CB Radio rgds, Dave

500w amplifier For that price it should be at least 1kw.

KL203 Don't worry about these little amps. They perform surprisingly well for their size. Don't be fooled. You can see well over 100w with them on SSB and they still sound OK. On a scope I don't know but they sound OK. They also can go down to 14mhz!! If you want more power the KL503 is two...

chips if you think it is worth it I can get you the chip. do you really think you could remove the old one and replace it with a new one? Would this be the only change required? rgds, Dave

Well I'll be durned! They are still making kids like us. Far out. If you got 100' in the air at 19yo I doubt I will be around to see what the retirement tower looks like! Good on yer mate!

One of CB radios most endearing features is its simplicity. You turn it on, you pick a channel and press the button to talk. No need to worry about the right antenna, the right frequency, anybody else talking and upsetting anybody. most of us can get our heads around it. It doesn't require any...

magnum S-45HP Did you buy it new? Is the power control turned full? Is the mic gain turned full? If yes , yes and yes you better return it! rgds, Dave

amp for S-9 If you run a magnum S-9 into a 2 pill amp for a while you will fry the amp. The minimum is a 4 pill and the dx500 has to be the amp of choice. Many radios of the S-9 type produce a short duration spike of full power at key down. You will not see it on swr meter as too quick but it...