11 HF K6K P2P stations during the event using the VARA HF software modem. Close to the first VARA HF contest .. pdf link has the station QRG and Mode b/w 73-Graham g0nbd Kamehameha Day is an annual st

File transfer issues with V-Chat version 1-2-4 resolved VARA Chat v1.2.5 Data limit is now 2MB per file 73-Graham g0nbd

#VARA

25 watts Dipole , Rx in daylight ALL de VK3KCX (Australia): Beacon Op2 every 12:18 in Melbourne 25w + Dipole 2021-05-10 13:16:22 VK3KCX QF22QD RN4WA/SDR LO66PU 13.562 7.038 -26 Op2__~26dB 2021-05-10 1

S9 qrm reported , 5 spots from VK Only 2 Tx stations , 73-G G0 = 100 watts 40 ft vert Rx3 = 10 watts at4 [ -27 is unusually low , normal min -26 ] Info from VK >> , ’’ 40m is a dead loss here now, I c

Very little reaching VK on 7 these days VK3KCX set up Tx/Rx on 7038 looking for spots/contacts .. Anyone ? Monitor: VK3KCX Loc QF22QD Frequency: 7.038 MHz (40m) Show all seen by VK3KCX Last report: VK

SDR latency is a little longer than conventional , But , as is , its not possible for , say, a two way connection , using , Flex SDR<> Flex SDR and the Chat module probably a case of unexpected conseq

#VARA #SDR

Ok James's Good question, The Trimode Dwell time of 4 seconds , is the 'only' limiting factor , preventing the deployment of SDR in a gateway which is perhaps a legacy issue .. Unlike 'fixed'/'static'

#VARA #SDR

VARA HF , TRI MODE and the SDR The use of SDR and the VARA HF modem is limited to , SDR one side of the connection only ie Conventional <> SDR , or SDR <> Conventional Where as VARA FM and VARA Sat ,

#VARA #SDR

Data mode Activity Days of 00.00 UTC on May 1th until May 23:59th UTC. Russian Club Data mode activity day , clips from the psk-map showing ROS 2-G activity in previous years , the mode continues to b

QSP from VARA site, news of new features and functions . Some insight to the USAF adoption , round compression rates and BBS connect times , 73-Graham Jose EA5HVK 10 Apr 2021, 16:20:45 to VARA HF Mode

#VARA

Tony Not as such, I'd noticed , Jose made passing comment, during the EA<>USA qso , the chat module he was using , was home made , being the sole designer of the whole VARA suite of programmes, the ch

Spanish Ham chats over Atlantic using home made data mode 100 watts and dipole , 100% each way , 14.120 USB 73-Graham -) g0nbd

Never a dull moment .. more changes on the way looks to be preliminary release , in advance of new changes , to ensure continuous service 73-G From web site Jose EA5HVK 11:55 (5 hours ago)    to VA

From VARA group 73-Graham g0nbd Jose EA5HVK unread, 19 Mar 2021, 18:51:17 (yesterday)    to VARA HF Modem Hello to all VARA SAT users, A new VARA SAT v4.1.0 is already available for downloading and

New VARA SAT v4.0.2 The new version of V-SAT , regains full compatibility with 'Winlink' whilst providing the enhancements ,of the latest VARA HF 4 release. BW 2300 Hz 'only', same as V4 HF Dynamic AF

Rick I , just noticed the P4 and V4 speeds , had , in effect reversed, where as the other modes , look to be similar , interesting would be comparison of OLIVIA and ROS-HF-4 modes P4 is used on HF out

Yes , Quite agree Andy , The vara modem started years before it broke the surface , in many variations, the fully odfm version was and remains radical , the mfsk front end to the HF version, signalled

Its unclear as to why the simulator results where so wrong and now so right , applying to just one mode, where as other's remain, apparently, unaffected ? What was identified as causing the discrepanc

Andy, Setting just 'psk' in the map , produces a large number of qso'a Spread over the hf bands .. 73 Graham G0nbd

Hi Sigi , The channel could be 2.9 k , the VTAC modem is 2.795 KHz but probably would not work, due to the circuit delays VSAT is based on the 2KHz b/w HF modem and supports the extended delay and pro

#VARA