Re: New silicone enclosure feet
Thanks, but $16 shipping for a package of pads and QCS + power button cover?
John
Sent: Thursday, January 9, 2025 8:47 AM
To: [email protected] Notification <[email protected]>
Subject:
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John Saari
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#136829
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Re: question 50 watts amp
hanz YL3JD via groups.io <yl3jd@...> wrote:
I did with QDX. It worked fine, until one day the amp started oscillating
(and didn't stop when PTT was released). One of the resistors in
By
Adam
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#136828
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Ultimate 3S reciever question
I am considering a U3S purchase when the processor chips come in.
Can the U3S receiver be made to upload to wspr.net? Im trying to determine the utility of the receiver add on.
--
regards,
Bryan,
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Bryan Curl
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#136827
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Re: QMX, one of op-amps self-oscillates at 25 MHz (or picks up the system clock?)
Hans Summers via groups.io <hans.summers@...> wrote:
It's working and stable. But the 25 MHz signal is present. That's why the
waveform lines are "thick" -- it's because of the 25
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Adam
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#136826
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question 50 watts amp
dr ops,
Thinking of using the 50 watts amp for the qcx but now for qmx plus.
Also will use an external LP filter for different bands.
Does some one already did this and are there any special things
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hanz YL3JD
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#136825
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Re: Old Progrock 27MHz crystal replacement with 25MHz one
TNX Alan,
I'm using the "manual" programming method but with a contaves binary-switch instead of the dip-switch. My firmware is 1.01
73
Alex ik0vaq
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ik0vaq@...
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#136824
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Re: QMX+ 160m problems
Excellent advice Dan !
I took 1 turn off L520 and redistributed the turns evenly and measured 2.5W at 9V supply.
I can also now hear our local 6m beacon, so I will leave it at that.
Many thanks.
73
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Hugh-Gm8fxd
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#136823
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Re: I had one lockup after a band change
I also tried to tune my rig with a 50' Coax cable that I forgot to plug into the antenna, so that is most likely what happened. I actually captured that moment on the video I posted earlier in the
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Joe AI5DD
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#136822
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Re: Best QMX AGC settings?
I applied these settings to my QMX last night and listened on all 6 bands on my Mid-Band and it's a vast improvement for me. Thanks!
---
Anyway, I'm happy with my settings which most of the time
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Joe AI5DD
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#136821
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Re: New silicone enclosure feet
I bought two 8 pieces, but it was so cheap I bought a QRP Labs shirt to go along with it :)
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Joe AI5DD
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#136820
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Re: Old Progrock 27MHz crystal replacement with 25MHz one
Alex,
I have an old v1 Progrock.
I had no trouble changing Register 2 to 25MHz.
I use the serial port to program the registers.
I am using the latest firmware 1.02, not sure if that affects
By
Alan G4ZFQ
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#136819
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Old Progrock 27MHz crystal replacement with 25MHz one
Hi to All,
I'm using an old Progrock as a LO for a second conversion (45MHz to 9MHz IF frequency) in a general coverage HF receiver; despite the shielding of the stages, the IF amplifier picked up the
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ik0vaq@...
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#136818
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Re: QMX, one of op-amps self-oscillates at 25 MHz (or picks up the system clock?)
Hello Adam
Several things I don't understand. I asked about if you could connect just
because I wanted to know if the USB connection was working; If it is, that
kind of means that the 25MHz signal
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Hans Summers
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#136817
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Re: QMX, one of op-amps self-oscillates at 25 MHz (or picks up the system clock?)
Hans Summers via groups.io <hans.summers@...> wrote:
Actually, by "output of the gate (pin 1)" I meant pin 4 :)
This is the
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Adam
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#136816
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Re: New silicone enclosure feet
Sorry, my typo. It's a whole sheet of 50, which is $1.20.
50pcs $1.20: https://shop.qrp-labs.com/SPAREPARTS/pad
8pcs $0.30: https://shop.qrp-labs.com/SPAREPARTS/pad8
73 Hans
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Hans Summers
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#136815
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Re: New silicone enclosure feet
The first eight cost $0,0375 each, the other two cost $0.45 each !
Summat wrong with my head ?
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Mike
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#136814
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New silicone enclosure feet
Hi all
This afternoon we took delivery of 50,000 silicone sticky enclosure feet
(a.k.a. furniture bumper pads). These silicone pads are transparent once
applied. They have a 10mm diameter, domed
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Hans Summers
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#136813
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Re: QMX+ 160m problems
Thanks Nate,
Yes filter shape is not too far off, just noted the overall signal level seemed low.
Probably ok for these low frequencies, just curious if it was typical.
73 Hugh GM8FXD
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Hugh-Gm8fxd
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#136812
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Re: WSPR problem - U3S
When the u3s goes into tx does the screen show 'wspr' on the second line of the screen? Frequency looks correct, if relay board is being used is correct filter selected?
As Hans says, list your full
By
M0RON
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#136811
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Re: QMX, one of op-amps self-oscillates at 25 MHz (or picks up the system clock?)
Hi Adam
Correct... Firmware can't create that problem :-)
What about the output of IC202, pin 3?
Does indeed look weird. Are you able to connect to your transceiver with
USB and check
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Hans Summers
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#136810
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