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Hi all,

 

long time no hear. I hope that you who have purchased our Weekend radio KIT enjoy it.

In the mean time there was a lot of things done around Weekend radio. Among these SW has been developed, not only by me, but also by other members of this Open source community.

As a result Marko S56FGS had upgraded his Arduino SW. Marko has saved all repeater info into EEPROM and thus saved quite some RAM space. Also Marko has made semi dual-band function. As you know DRA modules work also outside specified freq. range but with very limited TX power. But as such RX does receive with slightly degraded specs. also outside declared freq. range. Read more if interested...

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Hi all,

there is a slight modification needed on the PCB Ver. 5_11. Version No. may be found at the solder side of the PCB.

Read more if interested...

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Hi all,

Weekend project has become a world wide project. JA7LGC Abe has sent to me program to be used in Japan. Namely channels in Japan are different than in the EU. Step frequency is 20 kHz.

Here is what Abe wrote to me: Read more if interested...

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Hi,

 

I got an email from Jeff (WB0YBK), who is an electronics instructor at Tulsa Tech and teaches there radio science. He has sent me few photos of Weekend VHF/UHF audio transceiver.



 

 

 

 

 

 

Here is what (among other things) Jeff wrote to me: Read more if interested...

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Hi all, 

below you will find a project of Weekend VHF/UHF Radio audio transceiver with an ARM7 MCU driving DRA818U. Read more if interested...

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Robert has been active and made a new version of SW for Weekend VHF/UHF transceiver. Robert has included in his SW also local Dutch repeater names.

He also add User Manual for it that you can find in the Download section. Thanks Robert! 

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Hi all,

 

just a quick note to all. DUBUS has published my article regarding Weekend VHF/UHF radio. See the link to article.

 

Dutch HAM publiction Razzies has published an article based on DRA818 that Robert PA2RDK wrote. See that article in September issue on that link.

 

73 de S52CQ

 

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Hi all, 

summertime was nice, lot's of hot & sunny weather, that I enjoyed very much but did not work on Weekend radio updates.

Few days ago I have updated current SW. I have added two new items in the SETUP menu: Save settings & Load default settings.

Save settings option saves all current settings and when radio is powered on all these save settings are used. This is handy if you want that radio tunes on your favourite frequency when turned on. 

In case that you have messed up all frequencies there is an option: Load default settings.

Go to Download section and download latest SW.

 

 

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Hi all,

Robert PA2RDK has made another version of program. Here is what he wrote in his email:

Hereby is the latest version of the software.
Includes all dutch VHF repeaters, but you can put your own arrays in. There are five. The first segment of all arrays are dummies.
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Hi all,

my short holiday is over, but builders of DRA818 weekend project VHF/UHF transceiver are not resting. Robert has upgraded his SW, here is what Rober wrote to me:

Hi Jure,
 
Hereby my latest version of the software.
 
66F6E43D-4890-44D0-83B3-9F8C95E41F2B
 
It already has a lot of functionality:
    • Scan mode, delays if it receives a signal
    • Scan mode, stops after it receives a signal
    • Monitor 1 frequency every 4 seconds
    • Scan boundaries settable (min-max)
    • Monitor frequency settable
    • Step changeable 12.5, 25, 100 and 1000 Khz
    • Squelch, Volume and Modulation settable
    • CTCSS TX and RX settable
    • Menu option to save in eeprom frequency, scan min and max, monitor frequency, volume, squelsh, modulation, ctcss tx and rx and scanmode
    • 19 Dutch repeaters are programmed in 3 arrays (call, name, ctcss - 145.575 – 145.800) this tables need to be adapted for local use
    • By tuning to the top (174.000) the TRX junps to 430.000, so listening on 70cm also works a little bit.
    • Blocks transmitting outside the band. 
Pressing the button jumps through the menu, PTT exists the menu.
Frequency hopping is under development, Sending works, after releasing the PTT a 4 digit DTMF is sent with the new frequency and the TRX moves to the new frequency.
Receiving has the be build, but therefor I need to find a way to decode CTMF and build a second radio!.
 
73'
 
Robert PA2RDK
 
See Bascom file & fonts at Download section. Note that you will need to complie it with licenced version of Bascom-AVR. For those of you who do not have licenced version I have compiled the SW for you and add it as HEX file.
 
 
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