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TOPIC: How can I transmit on 144 MHz above 350kHz, using transverter with IF 14 MHz

How can I transmit on 144 MHz above 350kHz, using transverter with IF 14 MHz 18 May 2021 14:02 #1

Hi Expert2 & 3 SDR dev. team,

I use SUNSDR2 PRO as IF with Javornik transverter. 14MHz is used as IF.
Noticed that above 144.350, SUNSDR2 PRO prohibits transmitting, however several stations are there during contests.
Is there way to change setting in ExpertSDR2 (or in ExpertSDR3) that IF frequency range of 14.350-14.400 is regarded as amateur band (allowing TXing on 144MHz)?

Thanks
Zoltan
HA1CA/ex Z38C
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How can I transmit on 144 MHz above 350kHz, using transverter with IF 14 MHz 18 May 2021 16:40 #2

  • S58WW
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Dear Zoltan!
Close EESDR2
Go to:
C:\Users\!!!username!!!\AppData\Local\Expert Electronics\ExpertSDR2> The best way to go there is to use total commander with option show hidden filles checked in!
Find file options.ini
Edit it like admin
Find GenTX
Set it to "true"
Save options.ini
Start EESDR2
Problem solved! :yes: :yes:
73 Pibo S58WW
2 X SUNSDR2pro
Main shack PC:
AMD RYZEN 7 2700 (8 cores ; 16 threads) 32 GB RAM
on Gigabyte Aorus Elite B450 with 1TB and 250 GB INTEL NVMe M.2
NVIDIA GeForce GTX 1660 SUPER
Last Edit: 18 May 2021 16:40 by S58WW.
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How can I transmit on 144 MHz above 350kHz, using transverter with IF 14 MHz 18 May 2021 20:15 #3

  • S58WW
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Forgot something:

Delite two files before starting ESDR2 again.
options.ini.back
options.ini.back.md5
73 Pibo S58WW
2 X SUNSDR2pro
Main shack PC:
AMD RYZEN 7 2700 (8 cores ; 16 threads) 32 GB RAM
on Gigabyte Aorus Elite B450 with 1TB and 250 GB INTEL NVMe M.2
NVIDIA GeForce GTX 1660 SUPER
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