Tis the modern way ) This is Opera op2 dong the same thing 10 years ago , on a world wide basis with less power and only taking a few Hz bandwidth But to be fair , English is a fun language especially

EA5YB Running Opera OP05 10 GHz station , being spotted reliably by IK0IXO range of 1066 KMt / 662 Miles , Propagation mode , Tropo Band 10 GHz QRG : 10368.88 s/n during opening ranged from -3 to + 1

#opera #10ghz

Latest version of varAC is now uploading to the PSK-Map , listing as VARAC beacons, qso's and CQ's , spot check at 1300 hrs uk time Use last 2 Hours VARAC 642 Map 24 hours , quite significant 'DX' tra

The PSK-Map as its name suggests was developed, when psk31 was the only mode in use , the map sought, to provide a spotting facility, to show the users, cq's and qso's , long before reverse beacons et

Trials are under way, linking VARA to the PSK-Map. via the varAC chat application listing as VARAC , The ADIF inclusion remains in a rather quaint Mexican standoff over singular modulation definitions

To support my [now vintage !] PK232MBX .... yes it can be run from a dumb terminal, but that's a dark art ..these days I’ve a few 'comms' applications, that could be described as Legacy software that

Hi Steinar That's handy !, as this application is not coded by Jose , but by 4Z1AC , just the same as winlink is also not coded by Jose im sure someone can email you a copy , but you do need the VARA

Activity picking up Set to monitor , 1800 to 2200 on 14105 , text lists as a stream , but quite active, by the number of call's spotted , Might be idea to qsy in 100 Hz steps, those with military type

The view from the other side -) Vara chat app with Vara modem in 500 Hz b/w , low power 20 watts <> 50 watts 7.105 MHz USB dial s/n level , average along the frame ,,showing, may be 10 db qro ! Beacon

Dx Operatunity PY4ZBZ/SDR monitoring 7.038 , as well as KB1VWC/SDR 73-Graham g0nbd 2022-03-01 01:11:03 RX3DHR KO94KS KB1VWC/SDR FN41RN 7.396 7.038 -22 Op2_||||||_~23dB 00:57 7038 G0NBD de PY4ZBZ/SDR O

MultiPsk Has panoramic reception pop-up in addition to the main screen I think you will find it's pretty good package , most things are catered for . 73 Graham g0nbd

Andy There is a conflict of requirements , from live QSO mode , to Broadcast , 1/2 page text document Any of the broadcast modes, with FEC will , these days require sound-card interface, MT63 , a forg

If your using windows, just point the tx audio drive to the windows mixer, then use any of the audio recording application's to produce the wanted file , must of had rtty tone from the pc speaker by m

Hi Andy That's a aspect of the system, not widely appreciated, the % fade, gives a view of the process , between the off-air recovered data bits and the 'word' presented to the detection [?] layer, wh

Hi Andy Guess that's how the cookie crumbles , the monitor function can only decode, if the s/n and % capture meet the minimum requirements for the level if the station I printed was running at a high

14.105 to day, printing , with no trace on the waterfall , level 1 500 Hz b/w NB_not sure what mode is HF ? slightly wider than olivia 500 ? 73-Graham

Excellent video Tony ! Are these the accepted working channels , listed on the web-site ? Gathering QRGs (USB Dial) - any other ones in use , eg 18 MHz which is open to USA most days 14.105MHz (Main)

Hi Rick Im not sure the Pk/Ave ratio arguments are convincing , Pactor-4 and VARA HF will both support rates in the 7K range, where as the OFDM system, may be deployed over any HF path, The high speed

Simple check using FL-Digi & Spec-Lab Shows the PSK bandwidth of single carrier linked to the rate Rate Hz = bandwidth Hz This allows OFDM systems , like MT63 , This modem , Pactor 3 etc to deploy mul

Hi Andy Yes back then a lot of discussions ran wide of the mark , with psk modulation types , there is a Bit rate and a Baud rate , effectively multiplying the 'pay load' while the base speed r and ba