Hi Gerald, Great name. ;>)
Try reverting to the Legacy FireWire driver for Windows 7. There is a bug in the new OHCI1394 driver that comes with Windows 7. the Legacy one often solves problems of raspy or flat line audio. Here is the link to the Knowledge Base article. http://kc.flex-radio.com/KnowledgebaseArticle50433.aspx?Keywords=legacy+driver <http://kc.flex-radio.com/KnowledgebaseArticle50433.aspx?Keywords=legacy+driver> 73, Gerald Gerald Youngblood, K5SDR President and CEO FlexRadio Systems(TM) 13091 Pond Springs Road, #250 Austin, TX 78729 Phone: 512-535-4713 Ext. 202 Email: [email protected] Web: www.flex-radio.com Tune In Excitement (TM) PowerSDR(TM) is a trademark of FlexRadio Systems On Sun, Sep 5, 2010 at 10:20 PM, Gerald Donnelly <[email protected]>wrote: > First, I'm new to HF, PowerSDR and the Flex-5000a. So, apology out of the > way! > > Here's the symptom: I'm monitoring 40m (in PowerSDR 2.xxx) and the signal > strength on the station I'm tuned to averages -65 dBm. The average noise > floor > level is approximately -115 dBm. Periodically, and unpredictably, the > entire > noise floor drops to -150 dBm and then, again unexpectedly, raises again > back to > the -115 dBm average. What's going on here? > > > > FYI: I have not yet transmitted using this system since I was attempting to > learn how to navigate RX. > > > > My computer system is an Intel Core 2 Quad Q6600 @ 2.40gHz. Win7 Ultimate, > 64-bit, 8 GB memory. > > There are so many variables that might explain this! Where do I start to > determine what's going on? > > > > Also see [FlexEdge] "Receiver changing sensitivity" submitted by George > Steube. My issue appears to be his as well. > > > Thanks in advance, > 73 de N4PAX, Gerald > > > > > > _______________________________________________ > Flexedge mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used > for posting topics related to SDR software development and experimentalist > who are using beta versions of the software. > _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software.
