I use a Heil Pro7 headset with a dynamic insert with +12dB boost and compression set to 8 and that seems to be OK.  It should really be an electret, but with the boost and compression, it works OK. 

I have a Kenwood MC-60 desk mic I use with the FDM-DUO. I added a new cable with RJ-45 connector to the MC-60 and also a toggle switch. The switch moves the audio and PTT between the existing

I was thinking of using an alternate microphone with the DUO. Has anyone done this? I have a Heil noise cancelling with a PTT switch. I could wire an RJ-45 connector if the element is compatible.

Yeah, I know I am bumping this old thread, but there was no reply when posted, and I still see the same problem: FDM-SW2 seems to use the local day of week to filter the station memory list, so it

Giovanni, Perfect! I had found the level, but didn't find the division level below. This is a wonderful piece of software. Thank you very much for your efforts! Regards, Bob - N4RFC

And this is the "slider" to set the fft "span" Giovanni, HB9EIK

Hi Bob, this is the fft level "slider", Giovanni - HB9EIK

Hi Bob, if you touch the left side of the screen, on the level numbers, you can choose a reference level. If you touch the left side of the screen, left to waterfall, you can choose a "division

Is there a way to adjust the gain on the BlueDuo spectrum display. 160DB range on that display makes weaker signal pips very hard to see. Is there a way to adjust the range (gain) of the

whew! i use the inexpensive MX-P50M w/my Duo, along with an LDG Z11... 2W in gives ~40W out, depending on band... autotunes nicely thanks to Z11's 60W max, but alas, no auto bandswitching i like that

The HobbyPCB kits are exceptionally good and with the help forum also on the ball.. I built the Hardrock 50 and ATU kits and for my Duo was an ideal partner..but the pleasure of buliding yourself was

Guys, I run my FDM-S2 and -S3 receivers consecutively on the same computer. I can only configure one of the receivers (the first one started) to display the 4 S Meters. I'd like to enable and

Yes, you have to buy the RF Deck board or supply your own. The support kit has supplies that will supply 50-60 volts and a heat sink and heat speader that will work with a number of RF Amps. I see

Hmmmmm, I did not catch that, yea even pricier…. Regards, Jim Allen jim.allen60@...

Don't you then have to buy the $500 RF amp board too?

Just got this today, This is a HF RF amp that works with the Elad 5 watts in 500 watts out with an antenna tuner… It’s a bit pricy at $1,200.00 Regards, Jim Allen jim.allen60@...

Just a note that the Hobby PCM Hardrock 500 Power Amplifier Support Kit is now available for sale. The support kits contains everything you need to home brew a 5w to 500w amplifier. I have completed

Hi John, I am happy for you. I should have guessed a firmware problem. It is indeed a sweet combination. Really it's a top-of-line $2,500 transceiver when all put together which can be used as a

Am I putting my filters correctly? (Recovered my FDM-DUOr filters for my new S3) Position 1: 500kHz low pass (0-500) Position 2: 1700kHz High-Pass (1700-54000) Position 7: supplied bypass

Thanks for sticking with me, Jim. You inspired me to keep trying! So I have figured it out. You would think that if you bought this combination from someone, they would have been using it. It