Bien fait, Randy!
72 de Russ, va3rr
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I just completed loading the new firmware using Putty on my Win11 laptop, I also did the calibration. I took my time and made sure the QMX didn't get too warm, all seems like a success. I have tried BPSK31 and FSQ, it is working well and now to try WSJTX. I have not tried SSB voice as I don't have a suitable mic yet.
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Randy
VE3JO
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Re: Gibberish characters appended onto end of Message 1
Thanks Stan!? That fixed it.
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Thanks for the update, you are the best.
On Sat, Apr 5, 2025 at 12:36?PM Hans Summers via <hans.summers= [email protected]> wrote: Tariffs on commercial imports aren't the same as taxation on individual purchases by private individuals. What happens next is far from clear. We shall see. I suspect at least in the short term, nothing will happen to US QRP Labs customer purchases, continue as usual. Longer term, who knows.
73 Hans G0UPL
A 10% tariff on ALL imports went into effect at midnight this morning. This tariff applies to all countries and will affect shipments from Turkey and every other country in the world. On Sat, Apr 5, 2025 at 10:45?AM George Korper via <georgekorper= [email protected]> wrote: Once you ship with DHL, they will charge you or you won't get it.
It will wind its way back, regardless causing you a whole bunch of annoyance.?
?
This also goes for Amazon. I ordered 100 feet of tin braid. Paid for it.
They just put it aside rather than swallow the Metal tariff. Fortunately,
after three weeks they returned all of my money. Chaos, and musical chairs HiHi.?
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New Chat: beta firmware 1_01_003 and PD parameters
#chat-notice
A new chat has been created:
Hello Hans, hello guys,
I designed my QRX+ for a supply voltage of 9V by appropriately designing the output transformers.
I have now also tested the current beta firmware 1_01_003. I assume that the choice of operating voltage is irrelevant for the firmware.
Of course, the required calibration was also performed before the tests.
Optimal parameters were found in all individual calibration runs.
During testing, however, I noticed that the PD parameters on my QRX+ behave differently. The effect of the software switch for phase pre-distortion is reversed,
i.e., the ID3 spacing improves when phase pre-distortion = OFF. The CESSB and amplitude pre-distortion parameters have no effect.
I also noticed that with a drive level of 900, in addition to the highest output power, the best ID3 spacing is also achieved.
Reducing the drive level steadily worsens both parameters. A dependency of the curves as shown in the diagram could not be observed.
Any speculation as to why the firmware on my QMX+ exhibits this behavior?
vy 73
Juergen dl9jgo
By:
Goeckeritz Juergen <groups@...>
View/Join This Chat
Do not reply to this message to post to the chat. You can participate in chats only through the group's website.
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?I? have a nice QMX+ and QDX for sale.?
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The QMX+ has a case and GPS unit installed.? Work good.? Typical power outputs.? It has the SSB software but has nor been calibrated.? $185 shipped to CONUS (Lower 48)
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The QDX has the case as well and also has the typical Power outputs.? $90 Shipped to CONUS
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Email markf1952 at hotmail dot com
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N5MF
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Re: Message from Jack W8TEE about T41 book
See you Thursday night!
Jack, W8TEE
On Saturday, April 5, 2025 at 12:57:15 PM EDT, ka0ncr via groups.io <ka0ncr@...> wrote:
Looking forward to the book.. Will be at FDIM to pick one up.? Will be getting in Wednesday night if no problems pop up!
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Re: Another QMX+ became SSB capable
Errick,
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I will need to draw something up. I used some covered 4 lead salvaged from a non working USB cable. Basically just followed the ICOM 8 pin pinouts for the IC-7300/HM-219 and attached the mic and PTT grounds to the 3,5 mm stereo ground (shaft), the mic+ to the ring, and PTT+ to the tip.
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For the headset, I used a 3,5mm in-line socket for the mic ground (shaft contact) and mic+ to the tip contact. I nipped off the ring contact to get it out of the way and reduce the chance for a short when I reassembled the socket cover. I did some adhesive shrink tubing for cosmetics and extra strain relief. ?I used a 1/4” phone jack for the PTT line so I could use a foot pedal or aircraft strap on PTT switch. Nothing elegant there. The headset phone lead just plugs in to the phone jack on the front panel.
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For the HM-219 microphone, I used an in-line 8pin male connector and just connected the appropriate pins to get the mic and PTT function from the HM-219 to the QMX+ mic/key socket as described in the first paragraph.
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Hope that helps.
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--
Jack
KD4IZ
FM19OO
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To me FedEx is a bigger worry than Tariffs. I placed a parts order with QRP-Labs (value of $32.96 CAN) and 3 weeks later I received an invoice from FedEx. FedEx collected $3.93 in Canadian sales taxes and for the honour of doing that they charged me an additional $11.40 AND $0.57 more in sales tax!
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So the collection of $3.93 in taxes cost me a total of $15.90!
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I love the rapid and secure service FedEx provides but this is highway robbery!
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73, Rick
VE7TK
Website:
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My understanding is that the de minimus exemption is scheduled to become unavailable for items shipped from Hong Kong and China into USA starting May 2.? As far as I know, the exemption is expected to continue to be available for small shipments from other countries into USA.?
However, all this will continue to be uncertain and enforcement is uncertain as well.? Executive orders are now made whimsically and enforcement is focused on personal adversaries.? So I agree that the answer to this question is best sought by examining the evidence: if someone in USA gets hit with a tariff on an order from Hans, we'll probably hear about it on this forum.
Halden VE7UTS
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VarAC V11 is here! (Timing is super)
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Re: Message from Jack W8TEE about T41 book
Looking forward to the book.. Will be at FDIM to pick one up.? Will be getting in Wednesday night if no problems pop up!
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I agree, exactly what the 10% tariff applies to is unclear. A lot of searching revealed 60 countries but I couldn’t find a list of these countries. And no information I can find on the minimum value of the import.
On Sat, Apr 5, 2025 at 11:36?AM Hans Summers via <hans.summers= [email protected]> wrote: Tariffs on commercial imports aren't the same as taxation on individual purchases by private individuals. What happens next is far from clear. We shall see. I suspect at least in the short term, nothing will happen to US QRP Labs customer purchases, continue as usual. Longer term, who knows.
73 Hans G0UPL
A 10% tariff on ALL imports went into effect at midnight this morning. This tariff applies to all countries and will affect shipments from Turkey and every other country in the world. On Sat, Apr 5, 2025 at 10:45?AM George Korper via <georgekorper= [email protected]> wrote: Once you ship with DHL, they will charge you or you won't get it.
It will wind its way back, regardless causing you a whole bunch of annoyance.?
?
This also goes for Amazon. I ordered 100 feet of tin braid. Paid for it.
They just put it aside rather than swallow the Metal tariff. Fortunately,
after three weeks they returned all of my money. Chaos, and musical chairs HiHi.?
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Re: Updated Wiki Page: QMX External Microphone Options
#wiki-notice
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Tariffs on commercial imports aren't the same as taxation on individual purchases by private individuals. What happens next is far from clear. We shall see. I suspect at least in the short term, nothing will happen to US QRP Labs customer purchases, continue as usual. Longer term, who knows.
73 Hans G0UPL
A 10% tariff on ALL imports went into effect at midnight this morning. This tariff applies to all countries and will affect shipments from Turkey and every other country in the world. On Sat, Apr 5, 2025 at 10:45?AM George Korper via <georgekorper= [email protected]> wrote: Once you ship with DHL, they will charge you or you won't get it.
It will wind its way back, regardless causing you a whole bunch of annoyance.?
?
This also goes for Amazon. I ordered 100 feet of tin braid. Paid for it.
They just put it aside rather than swallow the Metal tariff. Fortunately,
after three weeks they returned all of my money. Chaos, and musical chairs HiHi.?
|
Re: QMX(+) Build experience, Poor Audio Filter Sweep/RF Filter Sweep/Image Sweep/ADC IQ test and resolution with new PCM1804
Don't know ... will repeat that test to see and get back...
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Did a voltage check today while band switching and approx 2.5 vdc moved from C401 to C404 when bands 160 m through 6 m. VCC and VDD were nominally 5.0 and 3.3 respectively.
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Have awakened to all the handy test points scattered about!
--
73
Karl
KI4ZUQ
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A 10% tariff on ALL imports went into effect at midnight this morning. This tariff applies to all countries and will affect shipments from Turkey and every other country in the world.
On Sat, Apr 5, 2025 at 10:45?AM George Korper via <georgekorper= [email protected]> wrote: Once you ship with DHL, they will charge you or you won't get it.
It will wind its way back, regardless causing you a whole bunch of annoyance.?
?
This also goes for Amazon. I ordered 100 feet of tin braid. Paid for it.
They just put it aside rather than swallow the Metal tariff. Fortunately,
after three weeks they returned all of my money. Chaos, and musical chairs HiHi.?
|
Hi Chris,
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Seems there is a permissions problem with the images you posted.? As such, the images are not displayed in your post.
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73,
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Robert, WA2T
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Re: Another QMX+ became SSB capable
Hi Gert,
No idea! It would be interesting to have freq up/down from the mic but require surgery I don’t want to contemplate.
--
Jack
KD4IZ
FM19OO
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Re: Another QMX+ became SSB capable
Mel,
I just loaded the firmware. No adjustments yet. The voice QSO’s did not think the audio drive to be low with the HM-219 or the headset.
--
Jack
KD4IZ
FM19OO
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va3rr
jjpurdum
Jack Spitznagel (KD4IZ)
Rick Williams - VE7TK
Donald S Brant Jr
Karl