Search found 140 matches
- Mon Jan 21, 2019 5:30 pm
- Forum: General
- Topic: Your MFJ-1708B-T/R Switch Experiences
- Replies: 4
- Views: 22679
Re: Your MFJ-1708B-T/R Switch Experiences
First of all the inside of the RSP1A is sprayed with a metal paint as many reviews have pointed out, also they state it's effective. I have ordered the MFJ1708B myself, but currently I'm running the Icom 7300 with an Acom 1010 pretty close to it, it's not disconnected from my Inverted-L 160m antenna...
- Thu Jan 17, 2019 1:57 pm
- Forum: SDR Antennas
- Topic: 60v p-p rf
- Replies: 11
- Views: 37166
Re: 60v p-p rf
60Vpp = 10Wpeak!!
That is a lot, how close are the AM-stations? You must be about right under their antenna.
Are you sure this is all coming from the antenna? And not between antenna and grounding or such.
That is a lot, how close are the AM-stations? You must be about right under their antenna.
Are you sure this is all coming from the antenna? And not between antenna and grounding or such.
- Thu Jan 17, 2019 1:51 pm
- Forum: General
- Topic: MFJ-1708 Connection Questions
- Replies: 5
- Views: 17270
Re: MFJ-1708 Connection Questions
Well to mute the RSP1A on TX is quite simple.
Just use the AUX-relay to disconnect the speaker/line whatever sound output/speakers you use and make it disconnect.
Then the audio is gone.
Just use the AUX-relay to disconnect the speaker/line whatever sound output/speakers you use and make it disconnect.
Then the audio is gone.
- Wed Jan 16, 2019 7:55 pm
- Forum: General
- Topic: MFJ-1708 Connection Questions
- Replies: 5
- Views: 17270
Re: MFJ-1708 Connection Questions
CTRL is the input that you connect to your TX-control of the Tranceiver, the same as you set your amplifier in Tx mode. The AUX is just a relay that can be used to trigger other devices, it has 2 settings. See page 4 of the manual, the AUX is set to NO or NC depending on jumper1. In short, CTRL is t...
- Tue Jan 15, 2019 4:18 pm
- Forum: General
- Topic: Sorry .... SDRPlay & GNURADIO again ......
- Replies: 12
- Views: 44083
Re: Sorry .... SDRPlay & GNURADIO again ......
I gave up on GNU-Radio, never got it working properly. Not with the RSP1A and not with Dongles. There is far better software around then that. However I'm running websdr.org with modified drivers, totally different animal :lol: Why do you want GNU-Radio? It's the most difficult program I have ever s...
- Tue Jan 15, 2019 3:31 pm
- Forum: SDRuno
- Topic: Sample Rate issue over 8 value
- Replies: 5
- Views: 13076
Re: Sample Rate issue over 8 value
What Frequency are we talking about? Also did you set the MW notches? If you didn't high output radiostations between 200-1800KHz can and will hinder all other bands and causing spikes. You may want to reduce the span to about 1000KHz especially on low bands as you open all filters including 0-2 MHz...
- Tue Jan 15, 2019 3:17 pm
- Forum: General
- Topic: Transmit-receive switches
- Replies: 1
- Views: 8695
Re: Transmit-receive switches
If it's just a 7300 and using it's own antenna, why not connect a NoElec upconverter between them? It will give extra protection. The switch, I ordered the B version only helps if you want to use the same RX/TX antenna. If your TX antenna is a few meters away and the output is just 100W, nothing wil...
- Tue Jan 15, 2019 3:05 pm
- Forum: General
- Topic: Sorry .... SDRPlay & GNURADIO again ......
- Replies: 12
- Views: 44083
- Sun Jan 13, 2019 10:27 pm
- Forum: SDR Antennas
- Topic: Mains noise
- Replies: 13
- Views: 48638
Re: Mains noise
The first solution everybody should do is a common-mode-choke. In short this is preventing that the outside of the coax/cable works like an antenna. Most easy and cheap way to remove this is a big plastic bottle and wind coax around it, 20 turns or so and the effect is gone. Naturally you do this at...
- Sun Jan 13, 2019 4:52 pm
- Forum: SDRplay related
- Topic: THIS THREAD EXPLAINS WHY IT IS SO DIFFICULT TO UNDERSTAND RECEIVER'S SENSITIVITY IN LF & RELATED MATTERS
- Replies: 28
- Views: 76982
Re: THIS THREAD EXPLAINS WHY IT IS SO DIFFICULT TO UNDERSTAND RECEIVER'S SENSITIVITY IN LF & RELATED MATTERS
Hi Glovisol, Well I use the RSP1A's just for people that have no receivers themselves or no place to put antenna's, so they can run my receivers remote. My own transceiver is an Icom 7300 that covers 0-72MHz with better numbers :D Do not get me wrong, I love these RSP's but I use them for other peop...