Search found 353 matches

by VK1JA
Mon Jan 06, 2020 7:33 pm
Forum: Ancillary, Test Equipment, Components & Parts
Topic: VK4GHZ Thunderbolt display 2020 date error
Replies: 11
Views: 903

Re: VK4GHZ Thunderbolt display 2020 date error

Thanks Adam!

Now to find that programming cable that I packed before we moved. It might be easier to make a new one up....
by VK1JA
Sun Jan 05, 2020 1:59 pm
Forum: Satellites & Balloons
Topic: Satellites workable from VK? Antennas?
Replies: 3
Views: 614

Re: Satellites workable from VK? Antennas?

G'day Adam, Compared to a few years ago, there are a heap of sats that can be worked from VK these days. I have the following sats programmed into SATPC32 (there could be more). AO-07 FO-29 SO-50 (FM) XW-2A XW-2B XW-2C XW-2F AO-92 Also include the ISS on that list, they seem to be doing more SSTV/AP...
by VK1JA
Wed Jan 01, 2020 12:54 pm
Forum: General Discussion
Topic: What's on your Workbench?
Replies: 648
Views: 106736

Re: What's on your Workbench?

Next update for the 23cm PA - it's all constructed and ready for the smoke test. Next task is to apply power and adjust the bias voltages for each FET, then adjust the input variable caps for lowest return loss (?) on the input, then tune each FET (by moving a cap on the output line) indiviually for...
by VK1JA
Fri Dec 27, 2019 3:20 pm
Forum: Ancillary, Test Equipment, Components & Parts
Topic: Keysight test equipment webinars
Replies: 1
Views: 296

Re: Keysight test equipment webinars

Good find, thanks for sharing.
by VK1JA
Thu Nov 21, 2019 12:46 pm
Forum: General Discussion
Topic: What's on your Workbench?
Replies: 648
Views: 106736

Re: What's on your Workbench?

Hi Jayson, Where did you get the tin box and copper heat spreader from ? I have a couple of Henning's boards and the parts but have yet to acquire the spreader etc. thanks Tim G'day Tim, The tin box came with the boards directly from Henning (DF9IC), while the copper heat spreader is from G4dbn. I ...
by VK1JA
Wed Nov 20, 2019 8:47 pm
Forum: General Discussion
Topic: What's on your Workbench?
Replies: 648
Views: 106736

Re: What's on your Workbench?

Another project, but this one is finished! I got sick of three (13.8/28/49v) PSU's floating around the shack so I boxed them up into a 3RU rack case. Space was very tight, the 13.8 smps is a Meanwell rated at about 30amps, while the 28 and 48v smps are powerwell(?) rated at 1100w each!. Strangely en...
by VK1JA
Wed Nov 20, 2019 8:16 pm
Forum: General Discussion
Topic: What's on your Workbench?
Replies: 648
Views: 106736

Re: What's on your Workbench?

As many Amateurs do, I have a few projects on the go at the moment. The one taking up most my free time is a 250w 1296MHz PA, DF9IC design. Current progress is below with most parts now populated, just the important ones to go - the FETS, which need to be soldered directly to the copper heat spreade...
by VK1JA
Mon Nov 18, 2019 7:59 am
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-9700 users topic
Replies: 165
Views: 43966

Re: Icom IC-9700 users topic

Now available for purchase.

http://www.leobodnar.com/shop/index.php ... cts_id=352

Cost 25GBP plus 5GBP for snailmail - about $58aud at current rates.
by VK1JA
Sat Nov 16, 2019 2:02 pm
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-9700 users topic
Replies: 165
Views: 43966

Re: Icom IC-9700 users topic

Looks to be much better.

I was contemplating using the minikits version with bluetac to hold it in place rather than soldering it.

It's not on Leo's web site, so not sure if it can be purchased yet?
by VK1JA
Wed Sep 04, 2019 4:20 pm
Forum: 1296, Microwaves and Opto
Topic: SG Labs 3400MHz Txvtr
Replies: 22
Views: 7868

Re: SG Labs 3400MHz Txvtr

240 euro (~$390aud) is a bit of a jump compared to the 23/13cm versions.

I'm guessing things get more complex and part cost more as wavelength gets smaller!

They do look like a nice unit, perfect for field day ops.
by VK1JA
Thu Jul 04, 2019 9:17 pm
Forum: Satellites & Balloons
Topic: Satellite ops with IC-9700
Replies: 7
Views: 5623

Re: Satellite ops with IC-9700

Hi Adam, It can be a bit tricky. What I usually do is if the sat is free (no qso's in progress) I'll start transmitting and tune my rx to hear the downlink. BUT, if I find a qso is already under way I'll tune the other stations in, then when I tx I'll adjust my tx so it's on freq to them so we're al...
by VK1JA
Thu Jun 27, 2019 7:46 pm
Forum: General Discussion
Topic: What's on your Workbench?
Replies: 648
Views: 106736

Re: What's on your Workbench?

Holly molly they are small.

I find keeping away from coffee for the day keeps the hand nice and steady too :lol:

I didn't realise that you were hand assembling them, Adam!
by VK1JA
Sun Jun 16, 2019 10:19 pm
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-9700 users topic
Replies: 165
Views: 43966

Re: Icom IC-9700 users topic

G'day Peter,

I can confirm it's strictly 144-148MHz.

I was hoping that it would go down low enough to monitor the GRAVES radar, but sadly it won't.

Regards

Jayson
by VK1JA
Tue Jun 11, 2019 9:33 pm
Forum: WSJT
Topic: WSJT USB Audio Sources???
Replies: 13
Views: 8046

Re: WSJT USB Audio Sources???

That is very strange. Is this on windows or linux? The only two things that comes to mind is maybe another device was using that com port when trying to get wsjt working, or maybe wsjt doesn't see com ports above a certain value - I see your 9700 is on 30/31. Would it be too much of a pain to reshuf...
by VK1JA
Fri Jun 07, 2019 9:28 pm
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-9700 users topic
Replies: 165
Views: 43966

Re: Icom IC-9700 users topic

Reading what Mark (MiniKits) has said, it sounds like there isn't any electrical connection (wires/jumpers) to any part of the circuit board on the 9700. The coupler is just soldered to the top of the txco can. How would that actually 'lock' the txco if the coupler isn't electrically connected? Pass...
by VK1JA
Fri Jun 07, 2019 8:50 pm
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-9700 users topic
Replies: 165
Views: 43966

Re: Icom IC-9700 users topic

I've just updated the firmware to 1.10 and now at least I am getting decoded on 2m WSPR running 10w, but it still has drift, which could be multiplied on 70cm and 23cm to the point of no decodes. It does seem that they have decided to sync to the 10MHz ref every 250ms or so, rather than locking the ...
by VK1JA
Fri Jun 07, 2019 11:17 am
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-9700 users topic
Replies: 165
Views: 43966

Re: Icom IC-9700 users topic

I just received the following email from one of the iogroups. No sign of the new firmware on the 'Icom World' site yet. Apparently it's on the Icom Japan site though. The "Sync to REF IN" function is added for the reference frequency adjustment' sounds very promising!!! ************ Firmware V1.10 f...
by VK1JA
Sat May 11, 2019 9:42 am
Forum: 1296, Microwaves and Opto
Topic: 13 cm calling frequency.
Replies: 15
Views: 5756

Re: 13 cm calling frequency.

G'day Matt/Hayden,

Do you have any links to the design or info on the bpf? Was it homebrew or commercial?

Cheers
Jayson
by VK1JA
Thu Apr 25, 2019 7:32 am
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-9700 users topic
Replies: 165
Views: 43966

Re: Icom IC-9700 users topic

Then on the radio.. On the IC-9700 Menu > Set > Connectors > CI-V CI-V Baud Rate > 19200 CI-V Address > A2h CI-V Transceive > ON USB/LAN-REMOTE Transceive Address > 00h CI-V USB Port > Unlink from [REMOTE] CI-V USB Baud Rate > 19200 CI-V USB Echo Back > ON CI-V Data Baud Rate > 9600 CI-V DATA Echo B...
by VK1JA
Thu Apr 25, 2019 7:29 am
Forum: Transceivers, Transmitters & Receivers
Topic: Icom IC-9700 users topic
Replies: 165
Views: 43966

Re: Icom IC-9700 users topic

SatPC32 Settings. For those that like to play sat's, the port and config setting for the IC-9700 to work with SatPC32 are different to those needed to run WSJT-X. Probably due to the fact that SatPC32 and WSJT-x don't currently have official support for the IC-9700, rather you need to fool WSJT-X in...