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Remote access - I want to connect ubitx to Raspberry PI and remote in
#remoteaccess
I am running my uBitx v5 24/7 - connected to a Raspberry PI 3 as an FT8 'monitor'. I can access it from anywhere on any device (laptop, iPhone, iPad) with VNC and OpenVPN. A big advantage of this setu
I am running my uBitx v5 24/7 - connected to a Raspberry PI 3 as an FT8 'monitor'. I can access it from anywhere on any device (laptop, iPhone, iPad) with VNC and OpenVPN. A big advantage of this setu
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By
Jens Kaemmerer
· #70269
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Ubitx occasionally hanging in transmit while receive led is on. Have to hit cw key a few times to get it unstuck. Ideas?
#ubitx
I had the same problem and narrowed this problem down the K1 relay by measuring the relay outputs for K1 and K3. I decided to replace the K1 relay and have had no issues ever since. Replacing a relay
I had the same problem and narrowed this problem down the K1 relay by measuring the relay outputs for K1 and K3. I decided to replace the K1 relay and have had no issues ever since. Replacing a relay
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By
Jens Kaemmerer
· #70014
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resources to learn about HF radios
#ubitx-help
When my uBitx stopped working on RX + TX - I received a lot of helpful comments from the subscribers of this forum. In addition I benefited greatly from the following 2 Youtube channels in troubleshoo
When my uBitx stopped working on RX + TX - I received a lot of helpful comments from the subscribers of this forum. In addition I benefited greatly from the following 2 Youtube channels in troubleshoo
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By
Jens Kaemmerer
· #68730
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ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio
#ubitx-help
#ubitx
Update on 'fixing TX' after being able to revive RX yesterday: I had already prepared to remove the existing IRL510 MOSFET's be practicing 'de-soldering' on some broken electronics boards ... However,
Update on 'fixing TX' after being able to revive RX yesterday: I had already prepared to remove the existing IRL510 MOSFET's be practicing 'de-soldering' on some broken electronics boards ... However,
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By
Jens Kaemmerer
· #68151
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ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio
#ubitx-help
#ubitx
Hi Jerry, I have now been able to start with the 'noise injection' test: I first connected the wire to TP21 and could hear noise increase (VOL set to high). This was not much of a surprise because I h
Hi Jerry, I have now been able to start with the 'noise injection' test: I first connected the wire to TP21 and could hear noise increase (VOL set to high). This was not much of a surprise because I h
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By
Jens Kaemmerer
· #68124
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diagnostic guide for uBitx v5?
#ubitx
#ubitx-help
I found the following diagnostic guide for the uBitx V3: https://groups.io/g/GCBG/attachment/105/0/uBitxTroubleshooting%20manuala.pdf Unfortunately I have not been able to find such a document for the
I found the following diagnostic guide for the uBitx V3: https://groups.io/g/GCBG/attachment/105/0/uBitxTroubleshooting%20manuala.pdf Unfortunately I have not been able to find such a document for the
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By
Jens Kaemmerer
· #67864
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ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio
#ubitx-help
#ubitx
Hi Evan, An update on the investigation: 1) Radiuno tests: I was able to buy a used Tektronix 2465 oscilloscope over the weekend for a very good price and could get started with proposed Raduino clock
Hi Evan, An update on the investigation: 1) Radiuno tests: I was able to buy a used Tektronix 2465 oscilloscope over the weekend for a very good price and could get started with proposed Raduino clock
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By
Jens Kaemmerer
· #67863
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ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio
#ubitx-help
#ubitx
Hi Evan, I created a small test amplifier on a breadboard to test the uBitx LM386 in isolation. It still works fine. It was an interesting learning experience to build this test circuit: https://photo
Hi Evan, I created a small test amplifier on a breadboard to test the uBitx LM386 in isolation. It still works fine. It was an interesting learning experience to build this test circuit: https://photo
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By
Jens Kaemmerer
· #67768
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ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio
#ubitx-help
#ubitx
Hi Evan, Following your recommendation, I disconnected the 12V, 3A AC->DC powersupply and replaced it with a 12V battery. The humming noise is now gone but I can still not hear any of the signals even
Hi Evan, Following your recommendation, I disconnected the 12V, 3A AC->DC powersupply and replaced it with a 12V battery. The humming noise is now gone but I can still not hear any of the signals even
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By
Jens Kaemmerer
· #67736
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ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio
#ubitx-help
#ubitx
I disconnected the TX PA part of the uBitx (brown wire) in order to test RX in isolation. Results: Unfortunately receiving is also no longer working. Tuning across the 20m band results in a uniform hu
I disconnected the TX PA part of the uBitx (brown wire) in order to test RX in isolation. Results: Unfortunately receiving is also no longer working. Tuning across the 20m band results in a uniform hu
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By
Jens Kaemmerer
· #67728
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ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio
#ubitx-help
#ubitx
Since the IRF510 heatsinks are getting very hot very quickly right after turning on the radio - I am afraid to keep the radio on and potentially cause more damage. I am currently thinking of replacing
Since the IRF510 heatsinks are getting very hot very quickly right after turning on the radio - I am afraid to keep the radio on and potentially cause more damage. I am currently thinking of replacing
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By
Jens Kaemmerer
· #67706
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ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio
#ubitx-help
#ubitx
I might have broken the IRF510 MOSFETs with FT8. This problem started during a longer sequence of FT8 transmissions - abruptly all signals disappeared from the waterfall. The heatsinks used to get war
I might have broken the IRF510 MOSFETs with FT8. This problem started during a longer sequence of FT8 transmissions - abruptly all signals disappeared from the waterfall. The heatsinks used to get war
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By
Jens Kaemmerer
· #67703
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if-shift?
Hi Vic and Paul, I have the exact some issue with my uBitx v5: It was impossible to hear (for example) the WWV time signal at 10 Mhz without the IF shift set to 4000 I followed Vic's advice to adjust
Hi Vic and Paul, I have the exact some issue with my uBitx v5: It was impossible to hear (for example) the WWV time signal at 10 Mhz without the IF shift set to 4000 I followed Vic's advice to adjust
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By
Jens Kaemmerer
· #67178
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v5 in GE Phoenix SX case
#ft8
#ubitx
#antennas
#firmware
Update after using the uBitx for about 2 weeks: Listening to SSB voice was possible for strong signals after setting IF shift to 3000 (CEC firmware) 1) interference from the KGO AM station is now gone
Update after using the uBitx for about 2 weeks: Listening to SSB voice was possible for strong signals after setting IF shift to 3000 (CEC firmware) 1) interference from the KGO AM station is now gone
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By
Jens Kaemmerer
· #67153
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v5 in GE Phoenix SX case
#ft8
#ubitx
#antennas
#firmware
Very happy with my recently finished build of the (unmodified) uBitx v5: https://photos.app.goo.gl/P3goJ3msPL6UwWUx8 https://photos.app.goo.gl/PAcSbpFpCCcKojcE7 Antenna: QRPGuys 'no tune end fed half
Very happy with my recently finished build of the (unmodified) uBitx v5: https://photos.app.goo.gl/P3goJ3msPL6UwWUx8 https://photos.app.goo.gl/PAcSbpFpCCcKojcE7 Antenna: QRPGuys 'no tune end fed half
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By
Jens Kaemmerer
· #66579
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