RMS Express WINMOR Peer-to-Peer Sound Card SetupRMS EXPRESS P2P provides fast, reliable, error free ARQ messaging directly between twostations, bypassing the Winlink system’s infrastructure. Operation is fully automatic in bothdirections once a connection (handshake) is achieved. This method permits discrete, error freelocal message transfer with attachments (ICS-213, Flmsg files, etc.) even if the Internet has failedor long-range RMS HF stations are unavailable due to poor propagation. Further, the receivingstation need not be manned as long as it is listening for a connection on an agreed upon frequency.If not already installed, download the RMS Express sound card program at,www.winlink.org/ClientSoftwareand follow their instructions for installation and initial setup.These P2P Quick-start instructions assume the use of a Signalink USB sound card interface, sosetup and adjustment procedures may vary slightly for other interfaces. After coordinating a Peerto- Peer session with another station, follow these instructions:1.Open RMS Express. Choose Winmor P2P in the Open Session drop-down box.
2.Click on either New Message button to open a blank form.Check that the Peer-To-Peer Message button is selected. Only one call sign may beentered in the To box when using P2P. Click on Post to Outbox after composing message.
3.Click on Open Session (Fig. 4) and then on Setup (Fig. 5) in the session window thatopens. Select Winmor TNC Setup from the drop-down setup menu.(Observe that the WINMOR Sound Card TNC window also opened on your screen)Just as with Fldigi, select USB Audio CODEC for both the capture and playback device.Select 1600 for your inbound session bandwidth. Click on the Update button. (If you havea different sound card interface, this selection may vary.)
4.Go back to the Setup drop-down box and click on Radio Set-up. Select Manual or aspecific radio from the drop-down menu, then USB, USB Digital, or FM as appropriate.Select the appropriate USB Radio Control Port if in use or None, and the PTT Port toExternal if needed. Click Update, then Close. (Look up the USB port number in yourcomputer’s Hardware Profile screen.)
5.Return to the Setup drop-down box and perform Transmit Level Tests with the PeerStation. Adjust your Signalink TX settings based on the ALC indicator on your radio andthe Peer Station’s signal reports. (Turn up the mic gain until the ALC meter indicates, thenback it off just until it disappears.) Adjust the Winmor TNC Rcv Level by tuning the RXknob of your Signalink while the peer station performs his transmit level test. Levels shouldbe in the green region.
6.Enter the other station’s Call Sign, the Center Freq and Dial Freq. The center frequencymust be set exactly 1500 Hz above the dial frequency.7.Click the Start button. Observe the Rcv Level and adjust your Signalink until a“handshake” is achieved and the two stations begin interacting automatically.
8.Check your Inbox and Outbox. Look for attachments. Make note of your settings for futuresessions.Winmor is an HF digital sound-card mode designed primarily for use with the Winlink 2000 radioemail network. Winmor provides an alternative to expensive PACTOR hardware modems atspeeds between Pactor 1 and 2.Winmor, the Winmor software modem, and the RMS Express application were developed by RickMuething, KN6KB and Vic Poor, W5SMM. The Winmor modem includes innovative featuressuch as a “busy frequency” detector to reduce potential interference.While the software itself is free, a registration donation supports ongoing development by the nonprofit Amateur Radio Safety Foundation, operator of the Winlink 2000 system. Registration alsoremoves the initial start-up reminder and permits automatic software updates via the Internet.Hawaii ARES would like to express its gratitude for the preceding article, whichwas contributed by Eric Lougee (KB1OKX) and edited by Dave Colter WA1ZCNfor NH-ARES.