Jay, as I've written in my last posting: From the latest SAQ reception I have experience with 30cm above ground: Signal strength was 6dB less than with Roelof's setup. Same antenna,same receiver,same
not mature enough to accept change ? the grapes are still not mature, I don't like to take sour ones. sour grapes Etymology: from the fable ascribed to Aesop of the fox who after finding himself unab
Now this link doesn't work any more either. So you could use this one: http://www.break.com/index/climbing-a-1786-tall-tower 73ClemensDL4RAJ -- Original Message -- From: [email protected] Clemens Paul T
Hello Andy, your test results show quite strong differencies between the upper and lower IM3 product,up to 18dB. Unsymmetrical IM3 products *always* imply that there is more than one IM3 producing so
I believe when you are measuring decent crystal oscillators with e.g. the SDR-IQ you can not be sure if you meaure its own phase noise (of the clock oscillator) or that of the DUT. Indeed one can use
Hi Alan, you seem to impute that there are no shortcommings in direct sampling! :-)) Not at all,I just meant to emphasize the difference between the two common SDR architectures,i.e.between the direc
Tony, the most important difference between SDR-IQ/-IP(from RF Space) or Perseus and the $200 SDR on http://www.lazydogengineering.com/LD-1A_SDR.html is that the latter is no direct sampling receiver
Are you really on 137,5 or - according to WSPR current activity list - on 0.503907?? 73 Clemens DL4RAJ -- Original Message -- From: [email protected] Roger Lapthorn To: rsgb_lf_group@blacksheep
Hi Gerhard, although I can't compete distance-wise with OH,Shetland Islands etc. here my report after repairing my K9AY today (slight storm damage): 1818 9 1.8 0.505145 0 DI2AF JN59 13 73 Clemens DL4
Lubos, I can hear your CQ call very clear! 73 Clemens DL4RAJ -- Original Message -- From: [email protected] Lubos OK2BVG To: [email protected] _RSGB_LF Sent: Tuesday, November 02, 2010 8:
Another interesting (online) coil calculator is at http://hamwaves.com/antennas/inductance.html with lots of interesting theoretical background. 73 Clemens DL4RAJ Ken, you will find TANT136.exe, ment
The 50-Ohm-termination at the output of the LP filter represents a 50-Ohm-*source* which is looking into the input impedance of the soundcard. Hence the gross (power-)mismatch (SWR 80). For such high
also good copy here... 73 Clemens DL4RAJ Loc:Südostbayern,12,90006°O/48,4150°N (Gridloc:JN68KJ) Perseus mit K9AY ..currently on 137.720 kHz, very strong 73, Stefan/DK7FC Attachment: DB6NT.jpg Descrip
Presently I can hear OK2BVG calling CQ on 502,4kHz. Before he had a qso with a swedish station (SM6...?). 73 Clemens DL4RAJ Loc:Südostbayern,12,90006°O/48,4150°N (Gridloc:JN68KJ) Perseus mit K9AY
even weak aural copy possible 73 Clemens DL4RAJ Loc:Südostbayern,12,90006°O/48,4150°N (Gridloc:JN68KJ) Perseus mit K9AY also good copy here... 73 Clemens DL4RAJ Loc:Südostbayern,12,90006°O/48,4150°N
Ken, I have *measured* two soundcards so far. My notebook's (Medion) onboard soundcard has 4kOhm, a friend's delta 44 had 10kOhm. I guess you want to operate your soundcard as vlf receiver? 73 Clemen
Hello James, no decodes yet but GM4SLV at this quite early evening. So conds seem promising for the night. 73 Clemens DL4RAJ Loc:Südostbayern,12,90006°O/48,4150°N (Gridloc:JN68KJ) Perseus mit K9AY --
Mal, At present I'm not equipped for tx'ing on 137. But will be watching out for any crossband activity announcement on this list from you to have (another) xband qso with you in cw. 73 Clemens DL4RA
