Not only that, the ALA can reject a whack of the RFI and QRN... Colin Newell - CoffeeCrew.com - VA7WWV - Victoria - BC
> On Jan 23, 2016, at 11:15 PM, Walter Salmaniw <[email protected]> wrote: > > That was my mistake. A 30 ' random wire fed into the SDR IQ yielded only a > handful of 9 kHz split stations, and lots of noise. Next time! > 73,....Walt > > On Sun, Jan 24, 2016 at 7:01 AM, coffee_canuck <[email protected]> > wrote: > >> Whenever I've taken an ALA100 to Hawaii I've been overwhelmed with its >> performance - 2 to 4 stations on every 9 kHz split -- and just using a 9 - >> 12 foot loop of wire... >> >> Colin Newell - CoffeeCrew.com - VA7WWV - Victoria - BC >> >>> On Jan 23, 2016, at 10:10 PM, Walter Salmaniw <[email protected]> wrote: >>> >>> Sigh! A good idea, but as you say, a small diameter Wellbrook loop fits >>> the bill nicely, except for the lack of backside suppression, which is >> less >>> of an issue at Rockwork. After my poor experience of a random wire to a >>> SDR-IQ in Hawaii, I'm going to seriously look at bring a Wellbrook along >> on >>> my next exotic trip. I'm sure the results will be far better. >> 73,...Walt >>> >>>> On Sun, Jan 24, 2016 at 4:16 AM, Guy Atkins <[email protected]> wrote: >>>> >>>> Hi Walt, >>>> >>>> To my knowledge no one has perfected a broad band FSL that works with >>>> anything close to the performance of a single channel, carefully peaked >>>> version. This has often been a topic of discussion between Gary and >> myself. >>>> The broad band FSL I made a few years ago in the end turned out to be >> FAR >>>> below the sensitivity of a tuned FSL. This FSL used a Wellbrook FLG100 >>>> module as a matching device and amplifier. In use at home I thought it >> was >>>> working well, but on a DXpedition it was sorely lacking vs. a Wellbrook >>>> 1-meter active broad band loop. >>>> >>>> Different matching ratio transformers have been tried without much >> success. >>>> A tuned FSL is like any other inductively coupled loop in that it's a >>>> resonant circuit, and gain goes up sharply at the expense of >> bandwidth... >>>> not of much use for broad spectrum SDR captures! >>>> >>>> 73, >>>> >>>> Guy Atkins >>>> Puyallup, WA >>>> >>>> >>>> >>>>> ---------- Forwarded message ---------- >>>>> From: Walter Salmaniw <[email protected]> >>>>> To: Mailing list for the International Radio Club of America < >>>>> [email protected]> >>>>> Cc: >>>>> Date: Sun, 24 Jan 2016 01:52:37 +0000 >>>>> Subject: Re: [IRCA] >>>>> >>>>> "Science Fiction PL-380"-- Pest Control Version >>>>> Fellas, I'm interested again with the removal of the variable tuning >>>>> capacitor and use for broad spectrum Perseus SDR captures. As you >>>> recall, >>>>> a number of these early large units were kindly built by Gary. One was >>>>> sent my way (and I may have the same in Masset). Results have been >>>>> variable. Would anything different be done with these units compared >> to >>>>> what we know today? 73,...Walt >>>> _______________________________________________ >>>> IRCA mailing list >>>> [email protected] >>>> http://montreal.kotalampi.com/mailman/listinfo/irca >>>> >>>> Opinions expressed in messages on this mailing list are those of the >>>> original contributors and do not necessarily reflect the opinion of the >>>> IRCA, its editors, publishing staff, or officers >>>> >>>> For more information: http://www.ircaonline.org >>>> >>>> To Post a message: [email protected] >>> _______________________________________________ >>> IRCA mailing list >>> [email protected] >>> http://montreal.kotalampi.com/mailman/listinfo/irca >>> >>> Opinions expressed in messages on this mailing list are those of the >> original contributors and do not necessarily reflect the opinion of the >> IRCA, its editors, publishing staff, or officers >>> >>> For more information: http://www.ircaonline.org >>> >>> To Post a message: [email protected] >> _______________________________________________ >> IRCA mailing list >> [email protected] >> http://montreal.kotalampi.com/mailman/listinfo/irca >> >> Opinions expressed in messages on this mailing list are those of the >> original contributors and do not necessarily reflect the opinion of the >> IRCA, its editors, publishing staff, or officers >> >> For more information: http://www.ircaonline.org >> >> To Post a message: [email protected] > _______________________________________________ > IRCA mailing list > [email protected] > http://montreal.kotalampi.com/mailman/listinfo/irca > > Opinions expressed in messages on this mailing list are those of the original > contributors and do not necessarily reflect the opinion of the IRCA, its > editors, publishing staff, or officers > > For more information: http://www.ircaonline.org > > To Post a message: [email protected] > _______________________________________________ IRCA mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: [email protected]
