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Can you elaborate a little on the nature of this "sizzling" noise and how it manifests? From what I can tell, you could mean one of three different things: 1) "When I transmit, I can hear a sizzling sound coming from inside the amplifier." 2) "When I transmit, people tell me there's a...

My impression is that most 'talkback' implementations are tapped from somewhere in the audio stage in the radio rather than the RF stage. This will tell you what your mic input sounds like, but this may not necessarily be a true reflection of what you sound like on the air. If your radio has...

On a related note, to turn WAV files into MP3s, I generally use LAME, which is open source (completely free, no annoying audio watermarks). I use it on UNIX (FreeBSD), but there are versions for Windows too. LAME project page: LAME MP3 Encoder List of Windows LAME utilities: LAME MP3...

On the topic of the Flex 5000, I happen to run across the following article today that explains a bit how to configure the TX audio gain settings: PSDR Gain There's a sample clip of the rig on AM at the bottom of the page that sounds really nice. -Bill

Oops, sorry, that should have read: "8-pin and 4-pin plug." (Sadly I noticed this too late to go back and edit the original post.) -Bill

The MC-60/MC-60A doesn't have a gooseneck. The MC-80 does. I own two MC-60As. One has the old style Trio-Kenwood logo and one has the newer logo. Both say just "MC-60" on the front even though they're MC-60As (both have the pre-amp in the base). I've had RF feedback issues with them, but...

I don't have an SDR rig, but I ran into ground loop hum too. In my case, I solved it by making sure that all the AC power connections for my gear did _not_ have a ground pin (i.e. they all had just 2-pin connectors). I had a fairly simple setup to start with: mic, Xenyx 502 mixer, 31-band...

Also, be aware that the Kenwood TS-520/530/820/830 hybrids are CW and SSB only. I don't know how much AM (or FM) matters to you. They also don't do general coverage receive. I own a TS-430S too, and I wouldn't sell it. Two things to be aware of though: FM mode is an option (requires the...

Oooo shiny.

Rumor has it that Kenwood is going to introduce the TS-990 some time in 2012. Supposedly it will be the successor to the TS-950SDX. I already own an SDX and I'm not in the market for any more radios, but I'm really curious to see what they have in store. -Bill

If the part is actually marked as "L5" on the circuit board, then it's not a 'trim pot,' it's a variable inductor. (L is the symbol for inductance.) 'Pot' is short for 'potentiometer' which implies a variable resistor (a particular kind of variable resistor, with 3 terminals). Not the same...

Hm. I'm not sure how well that will work. The D-104 crystal element has a very high impedance (over half a million ohms). This was fine for use with older tube gear that had a high input impedance in the first place, but modern solid state rigs usually have a much lower mic input impedance...

The usual '4-pin cobra' scheme is that one pin is audio, one is ground, one is TX and the other is RX. The ground is used for both the audio shield and the RX/TX switching. The RX pin is connected to ground to engage the receiver. The TX pin is connected to ground to engage the transmitter...

I managed to work T32C on 10m and 15m when they were going. Also worked Hawaii, Japan and New Zealand on 10m. Meanwhile, on 38LSB, I heard at least 3 really strong Hawaii operators and none of them could hear me through the noise. Ah well... -Bill

Hey, I know Stacy Adams. We're local to each other, and I've met him at couple of breaks. He's a nice guy. The fellow who runs the 2995 locally usually keeps his mic gain turned down to keep his audio sounding clean. The AM gain levels don't work well on SSB though.. The audio is too low and...

That 35/160 figure sounds right on the money. With my TS-950SDX at 100% modulation, I get about 35/150. I can't really do the same kind of NPC tricks with it though since it's low-level modulated, so that's about as good as it gets. I'm curious to know how the rig sounds on SSB, with and...

Weird. Maybe I was right about it being intentional that they ignored your request for a new call when you asked for it the first time. If they do cancel the request I expect your call will remain the same. There is a 'support' link on the ULS web site. There's both a phone number and an...

Cool. One thing I'm not sure about is what format they're using for general class calls these days. It used to be that novices/technicians got 2x3 calls, generals got 1x3, advanced got 2x2 and extras got 1x2 or 2x1 depending on availability. But in the past decade they changed the licensing...

If the form you filled out where you checked that box was an actual FCC form, then it was the FCC that screwed up. Otherwise, it must have been one of the volunteer examiners that didn't transcribe the info correctly. Fortunately, there is a way to fix this, and it won't cost you any money...

Our of curiosity, was that a typo, or does your mic really have the eagle emblem on the back and a TUG-9 stand? The Silver Eagle is supposed to have a TUP-9 instead. The P means that it has the Push-to-talk bar on the base. The G means it has the Grip-to-talk bar on the side _only_, and the base...