Re: Receiving on harmonics of Receiver LO?
Erik The detector will receive on all odd multiples of the LO. However, as it is a sampling detector it means samples are missed. Even at 3 times the LO sensitivity is down by almost 9dB. 73 Alan
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Alan G4ZFQ
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#24852
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Re: U3S Display dark with squares
Thank you.? I'm working on your suggestions.? I appreciate the help, and I'm going to look closely at all of them.
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Bill Watkins- K0WHW
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#24851
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Receiving on harmonics of Receiver LO?
When experimenting with BPF I noticed the receiver module will receive a station transmitting at 15.4MHz when tuned to an LO of 1.03MHz. Of course only when using a well tuned BPF to get rid of the
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Erik Kaashoek
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#24850
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Re: Clicky sidetone
Tony, you may want to just cut off the old caps and solder new ones onto the pads to minimize potential damage to the pads -Steve K1RF Sent: Tuesday, June 26, 2018 9:23 AM To: [email protected]
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Steven Dick, K1RF
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#24849
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Re: Clicky sidetone
Tony, N0PBA, no, you need to lower the value of C21 and C22 so paralleling additional caps with the originals will not get you there.? I also suspect that DC leakage that are a characteristic of
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rentwist@...
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#24848
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Re: U3S Display dark with squares
If you perform a RESET and follow Hans directions in DIAGNOSTIC mode there is a procedure to follow to fault find this. 73 Ken G4APB
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KEN G4APB
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#24847
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Re: WSPR mode auto QTH seup from QPS coordonates
#firmware
In answer to your original question, manual entry of the maidenhead locator is for when you DON'T have a GPS connected. Once you add the GPS and select it in the menu it will automatically
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KEN G4APB
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#24846
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Re: avrdude firmware writing question
#firmware
#qcx
Hi Jim Just to be clear: the extended byte is NOT inverted! In fact, the actual situation is that the unused upper 5 bits of it are defaulted to 1 in your programmer (and mine). This is an unfortunate
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Hans Summers
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#24845
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Re: Clicky sidetone
Thank you Robert. I just bought 100 ceramic 0.1 mfd caps Digikey so I¡¯d have extras, so that¡¯s perfect. I think I left my stock at home and I¡¯m on the road again, but I will replace them as soon
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Charles W. Powell
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#24844
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Re: U3S Display dark with squares
Bill KF7YXS LCD showing only a top row of squares is usually a failure to initialize the unit. Showing the squares indicates that DC power is getting to the LCD. If one of the data leads was open the
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Arv Evans <arvid.evans@...>
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#24843
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Re: U3S Display dark with squares
GPS still works. Unit still pulling same idle amps.
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Bill Watkins- K0WHW
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#24842
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U3S Display dark with squares
My display went dark? it has the much talked about single row of squares. The U3S was working for days. I've searched the topics. Can't find where to start.
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Bill Watkins- K0WHW
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#24841
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Re: Case for the CQX transceiver possibly commercially available soon
#qcx
Just got the case kit in the mail today.? It looks great!? My question: What connector will fit in the GPS cutout?? It's too small for a 9 pin DIN.? I'd like to be able to use the QLG1 when the
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Pat Cahill
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#24840
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Re: QCX 20 on Field Day 2018
On Sunday 6 meters was in and out with few contacts but one of our guys made 6 contacts with the ISS and 4 more later mobile on the way home. Our club, the Cherryland ARC in Traverse City, MI., had a
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David Wilcox K8WPE
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#24839
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Re: Clicky sidetone
I have just completed my QCX 40, and have been able to make a few contacts with it.? I had to turn down the volume on the side tone, and when I did I encountered this loud clicking problem.? I too
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Tony McUmber
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#24838
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Re: Defective QLG1 GPS kit, no 1pps - RESOLVED
Decided to buy a Rasberry Pi and try to reflash the RF module. While I have some experience with the Arduino I have none with the Raspberry Pi. Followed Hans¡¯ excellent directions and worked
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Al Sines
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#24837
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Re: Clicky sidetone
To Charles, NK8O, the .1 uF caps are non-polarized, ceramic or otherwise, so not electrolytics. 73, Robert, WA2T
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rentwist@...
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#24836
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Re: WSPR mode auto QTH seup from QPS coordonates
#firmware
All versions, for ever.... Ultimate, Ultimate2, Ultimate3, Ultimate3S... 73 Hans G0UPL http://qrp-labs.com
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Hans Summers
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#24835
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Re: WSPR mode auto QTH seup from QPS coordonates
#firmware
I have 3.12a...works for me. Roger --- ** Roger Hill ** Links: ------ [1] /g/QRPLabs/message/24833 [2] /mt/22676622/522301 [3]
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Roger Hill
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#24834
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Re: WSPR mode auto QTH seup from QPS coordonates
#firmware
In what version (firmware) this feature works ?
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Roman
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#24833
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