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I've made it a point to monitor 10m the past month or so. Most days I can see FT8 activity from South America. I'm located in Texas and am surprised to see that the US stations are seldom there to make contact with these stations. Today the dx was coming in from approx. 1900- thru 2100z and at...

Noticed a spanish language AM "numbers station" on 11.435mhz at 16:00utc today. I've heard them many times in the past, but it seems they are using a different format. At least this one is. First, the usual voice number readoff, but then a two-tone followed by a transmission in some digital...

Watching the "waterfall" on the sdr... Seeing 14MIT02 (France) calling CQ on the mini digi band on 11 meters with psk31 ... 27.500mhz. This frequency is set aside worldwide for digi-modes. I've seen Olivia and psk31 on it when the band is open. Just a "heads-up" if you wish to watch the...

It's getting tiresome having the spectrum trashed by one station whenever the skip is in from approximately 26.850 to 27.150khz. I'm using an SDR to monitor the band and can "see" that "766" in Mississippi on channel 6 is literally trashing the spectrum with an extremely "dirty" station. I'm not...

Interesting conditions this morning. Hearing Europe (mostly England) coming in on channel 38 lsb while US cb'ers not heard on the channel.

Caught a strange transmission on 7.555 khz tonight at 0229z. First a childs voice then a womans voice repeating the same thing: This is KJEF radio station broadcasting from the Lord's Ranch USA 88072. I caught the end of the broadcast. I don't know how long the station was transmitting before...

I'm looking for info on the 40m digi sstv activity on 7173 lsb. Can someone tell me if stations are using the "Hybrid" mode like they are on 14.233 mhz? Is there much activity... best times to listen? Using the Easypal software, I copied a station this morn sending sstv but couldn't get a...

Found an article on VLF radio listening in the science news. Article refers to listening to "whistlers" in relation to volcanic activity: http://www.livescience.com/46995-volcano-lighting-whistlers-earth-chorus.html

I've been in the radio hobby since the '60's. I'm used to 'twiddling knobs" on my radios, tuners, and pre-amps. I'm presently using a Yaesu FRG-100 and am looking to upgrade to an Icom-R75... but... I'm real curious about the SDR "revolution" going on. My main interest is DC to 30Mhz, but...

11 meters open into Europe again today 02-08-2014. I like to listen for the digital activity around 27.500 khz. Psk31, possibly Olivia 8/250(?), and some weak cw. I copied the call 14V825 (France) calling CQ on cw at 27.50153 1805UTC. Signal was very weak, and I didn't hear him make contact...

I have an RCI-2950DX. When the radio first arrived, I couldn't wait to get a few signal reports after putting up an antenna and hooking up the radio. Unfortunately, I found out pretty quickly that the stock microphone really does a poor job in modulating the radio. It was kinda disappointing...

Has anyone on the forum used the RCI-2950DX in the cw mode? I realize that the radio has that mode thrown in as an afterthought, but I am using it on cw. On the positive side, I notice that there was an attempt by the designers to narrow the bandpass of the receiver in that mode. You can hear...

I have a RCI-2950DX with transistor driver and finals (2SC1969's). I also have 3 mosfet IRF520's on hand that I could swap in place of the transistors. Besides the "negative" of the labor involved in the swapout, is there anything to be gained by the swap? Will the 'fets give more watts out...

Wishing to get back into cw again, I looked on the 'net to see what was available for a key. I was disappointed to see that anything I wished to have cost a heck of a lot of money. Sure, I saw some wonderful craftsmanship, but I couldn't justify spending so much on just a key. Anything in my...

I thought the members of this forum would like to see a tuner I built to take advantage of the longwave capabilities of my receiver. I'm using this tuner with a Yaesu FRG-100. The tuner interfaces with an 11 meter band coaxial vertical dipole. The tuner operates as a Hi-Q series resonant...

Has anyone on the forum used the RCI-2950DX in the cw mode? I realize that the radio has that mode thrown in as an afterthought, but I am using it on cw. On the positive side, I notice that there was an attempt by the designers to narrow the bandpass of the receiver in that mode. You can...