Архив за Апрель, 2019

d9thc Есть простейший ГШ на стабилитроне,…, сейчас в нём «трудится» простейший каскад с ОЭ на КТ3102, уровень маловат …

pactor пишет:
d9thc Есть простейший ГШ на стабилитроне,..., сейчас в нём "трудится" простейший каскад с ОЭ на КТ3102, уровень маловат и неизвестно выходное сопротивление А больше и не надо, если использов...
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Широкополосный приёмник из DVB донгла - Страница #566

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Antennas • Who has a Discone in the Attic?

After trying for a few days,I have lost the battle to put the Discone on the roof. I know that I would get better coverage on the roof,but having an antenna that sticks 10-15 foot higher than the actual roof isn't going to cut it.

The attic is failrly tall (10ft approx) so I figured I could get it as high as possible. It would be better than nothing is what I'm thinking. Just wanted to see what sort of results you guys were getting with one in the attic. Has anybody had one on the roof and moved it into the attic? What sort of difference did it make? Also would keep it out of the weather and I wouldn't need any sort of lightning arrester.

Let me know,thanks.

Statistics: Posted by Kev7274 — Tue Apr 30, 2019 9:25 pm


Antennas • Re: RG6 or RG8?

Thanks for the info,I appreciate it.

Statistics: Posted by Kev7274 — Tue Apr 30, 2019 9:18 pm


How do I know which frequencies to scan for what I’m looking for?

My dongle is in my mailbox ready to be picked up when I get home, having never used one before and looking at people online using them I can't help but wonder how they find their channels.

How could I find say, police chatter or aviation signals, or personal walkie talkies? I'm currently in Montreal Canada, and I'm assuming that not all countries must share same channels...do they?

TLDR: Is there a site or a list somewhere that I could use that gives me a broad idea of what lies within certain frequency ranges?

submitted by /u/0rionis
[link] [comments]

24 Hour time-lapse loop from GOES-17 using Airspy Mini and Ubuntu. Setup guide link in comments.

24 Hour time-lapse loop from GOES-17 using Airspy Mini and Ubuntu. Setup guide link in comments. submitted by /u/mynamemightbeeric
[link] [comments]

KerberosSDR • Re: Android App connection error

I tried a co-worker's Android (Version 8.0) and the App is working fine (Accurate position and DOA value showing).
I'm now down to a third Android phone, this one a Version 8.1 (the other ones where older Android version) and I still can't get the Kerberos App to work, meaning:

1- Pressing the Target button will not update to my location, still showing in New Zealand.
2- DOA value can't be updated.

Both phones have the same settings for Data, Location and all other I could see.

Statistics: Posted by mdacosta — Tue Apr 30, 2019 7:12 pm


Comment on New NOAA APT Image Decoder by K5MPH

Thats great ian its good you are fine with the software,keep us posted de K5MPH……

RTL-SDR Discussion • Re: confused: spectrum analizer and sdr

Yes.
Touchstone Pro from Nutsaboutnets.com is intended for use with the RFExplorer, it does support an RTL-sdr device and
the app defaults to the UHF Wireless Audio chunk from 470-600

I don't find my RTL at the moment to cert my statement as all I find at my desk is my Airspy mini and RSP1.
oh yes and my RFE.
However, they have the RF Viewer.. which is an RTL-SDR object.

But if your in the business, what you really want is ClearWaves.
good luck

Statistics: Posted by dlritter — Tue Apr 30, 2019 6:53 pm


KerberosSDR • Re: Chaining 2 KerberosSDR’s

Hello,

May I request the complete block diagram of the KSDR?

Regards,

Sudip

Statistics: Posted by sudip — Tue Apr 30, 2019 6:07 pm


Troubleshooting Help • About heat

This might be stupid question but is it normal for rtl-sdr.com usb dongle to heat up? And i mean like really heat up so much its almoust painfull to touch. :roll:

Statistics: Posted by Lapm — Tue Apr 30, 2019 3:13 pm


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