Hi Gerhard OE3GBB ,

Updated version with +-600 RIT and Mic VU meter.

Hi Gerhard OE3GBB ,

If you can try this version, it has 3200 instead of 2400 as codec2.

Hi, yes I have the same problems...

Hi Gerhard OE3GBB ,

Some modifications of the OK code. More in PM.

Hi,

I want to PTT my Pluto or any other SDR from GNURadio using the USB relay board that used also to SDR-Console. This is an example GRC file that do this for one relay.

Hi,

An updated version of relay control. Now it returns the status of relay after reading it. Also a state(n) function added that read the relay status.

Hi,

The relay board modified. One relay replaced with a PC817 optocoupler. The resistor is a 390 ohm.

Dependencies

This module depends on the hidapi module, which can be installed with the following:

sudo apt-get install python-dev libusb-1.0-0-dev libudev-dev
pip install --upgrade setuptools
pip install hidapi

udev rule

In linux you may need to create a udev rule in order to use this without sudo privileges.

For example, edit /etc/udev/rules.d/99-usbrelay.rules and add this line:

SUBSYSTEM=="usb", ATTR{idVendor}=="16c0", ATTR{idProduct}=="05df", MODE="777"

Then restart your computer or run this command:

sudo udevadm control --reload-rule

Hi,

A setup was tested permiting two independent QSO at any frequency in the NB transponder using a single transmitter and one LNB. In practice it could be possible to be one in the NB and the other to the WB. The setup was with the IC735 and a Pluto. IMD products was not noticed. A typical usage could be FT8 & USB simultaneous QSOs. Typically using only one SDR any number of indipentet transceivers can operate as enough output RF power and CPU exists.

Hi,

A circulator is being modified and a SMA output was replaced the empeded dummy load. As it was impossible to remove the internal glue a hole was opened on top of the join point of the dummy load. Similar performance was noticed. A similar one is in the photo for comparison.

Hi,

Remco PA3FYM , some tests occurred today. I try a 100 Mhz Wenzel OCXO driving a 74HC74 /4 divider producing 25 MHz. This was cleared with 2 xtals. It was driving via a variable attenuator an SBB5089 MMIC amplifier with maximum output 20dBm enough to drive the twin Octagon LNB. A 0.3 to 0.4 MER increase was noticed. The performance was very near to an unmodified similar LNB. It seems possible to create a Lars GPSDO using 100 MHz OCXO. A /5 division at first /2 (50mhz) will produce 10 MHz.

PA3FYM It seems that it can work up to 100 MHz.

The OCXO is a surplus one. I have a few items in unknown condition (I have now 2 working).

Hi, PA3FYM I was used an AC74 !!!!

Hi,

Receiving CW Beacon using 90 cm offset dish Octagon twin LNB GPSDO based.

Two receivers used, both GPSDO based, a Pluto and a USRP B210.

SNR in order of 40 dB was noticed. GNURadio is used.

Low averaging is used in order to find more easy the noise floor.