forum.pistar.uk

Hi All, I've run into a weird problem. I have two RD-5R, they are identical, same code plug and both of them are running OpenGD77. The one on the left in the video won't talk with the hotspot. I don't know what have I done wrong, help please. P.S.the synchronization is not perfect, I start screen re...

Thank you for getting back, I think I've solve the problem. After the power blip everything is going haywire and I have to unplugged/re-plugged lots of things. I've just found out I've plugged the USB OTG to ethernet adapter in to the power port of the pi. Re-plugged it to the data port and it seems...

Can I run Pi-Star on ethernet connection? I've add dtoverlay=disable-wifi dtoverlay=disable-bt in the config.txt and confirmed that Wifi is down. The problem is when the hotspot lost power, it seems not to boot back up. I'm not sure if this problem is anything to do with Wi-Fi turned off? Please Adv...

Hi All, I've tried setting up a duplex hotspot and gave up. I can't made it work. Now I'm running in in simplex mode, and it is working great. My question is, since it has two ADF7021 chip on it. Can I set it up to be a simplex, but with both times slot working? https://forum.pistar.uk/download/file...

that hat looks like its using an on-board antenna, as I dont see any antenna mounts..... The board has solder pads for SMA connectors, they are adjacent to the on-board antennae. Not sure that the configuration of the board, as sold, is the most usable / user friendly. If you must run that as a dup...

You need to work out the link budgets for Tx and Rx, assume 0dB isolation between the antennas and use the ADF7021 phase noise plots to estimate the energy from the Tx at the Rx frequency. You also need to consider the blocking performance of the Rx against the Tx signal at +13dBm or similar. Full ...

I’ve tried 30MHz split today, a little bit better, but still unsatisfied. Might have to try cross band.

By the way, is it possible to make it simplex but have the ability to use both time slots?

You need to work out the link budgets for Tx and Rx, assume 0dB isolation between the antennas and use the ADF7021 phase noise plots to estimate the energy from the Tx at the Rx frequency. You also need to consider the blocking performance of the Rx against the Tx signal at +13dBm or similar. Full ...

I’ve seen M0FXB talked about it in his YouTube channel. I’ve just realized, he never used it in duplex mode.

Maybe this is a big design flaw and no one ever made it work in duplex.

KG6RUT wrote: ↑Thu Jan 11, 2024 3:44 pm that hat looks like its using an on-board antenna, as I dont see any antenna mounts.....

Yep, on board antennas marked TX and RX.