Search found 27 matches

by PG3
Mon Apr 17, 2017 4:56 pm
Forum: General
Topic: No IF vs Low IF - when, why, and how?
Replies: 2
Views: 246

Re: No IF vs Low IF - when, why, and how?

This question gets asked often and there are a lot of discussions on the net, just google it. Here is one thread that describes some of the trade-offs in simple terms...

https://www.dsprelated.com/thread/567/z ... -receivers
by PG3
Wed Apr 12, 2017 2:16 pm
Forum: General
Topic: Interference identification?
Replies: 37
Views: 2649

Re: Interference identification?

FCC caught with their pants down on the issue...
https://smartmeterharm.org/2016/04/23/f ... on-limits/
by PG3
Wed Apr 12, 2017 2:04 pm
Forum: General
Topic: HDSDR & SDRuno on one PC?
Replies: 4
Views: 270

Re: HDSDR & SDRuno on one PC?

Before SDRuno version 1.12 you could have SDRuno, HDSDR and SDR# all loaded at the same time and just switch windows without having to close and reload each of them as long as only one was streaming at a time. It's quite convenient to not have to keep reloading SDRuno all the time as it always loose...
by PG3
Wed Apr 12, 2017 1:42 pm
Forum: General
Topic: what can it be this huge interference.... ??
Replies: 7
Views: 333

Re: what can it be this huge interference.... ??

I have an ALA1530LNP and RSP1. I have found it necessary to ALWAYS have a MW (AM broadcast band) filter connected between the antenna and the input to the RSP (unless I'm wanting to chase MW DX in which case I replace the filter with a 20dB pad). The ALA1530LNP is very efficient at the MW frequencie...
by PG3
Fri Mar 31, 2017 7:55 am
Forum: General
Topic: Interference identification?
Replies: 37
Views: 2649

Re: Interference identification?

by PG3
Mon Mar 13, 2017 9:09 am
Forum: General
Topic: Interference identification?
Replies: 37
Views: 2649

Re: Interference identification?

Might be time to construct a monster Tesla Coil :P
by PG3
Mon Mar 13, 2017 6:14 am
Forum: General
Topic: Interference identification?
Replies: 37
Views: 2649

Re: Interference identification?

Are these PLC modems susceptible to any kind of interference that would make them inoperative?
by PG3
Tue Mar 07, 2017 7:44 am
Forum: SDRuno
Topic: Tuning
Replies: 3
Views: 474

Re: Tuning

I would like to have different step sizes remembered for each mode. i.e. AM=5KHz SSB=100Hz
by PG3
Mon Mar 06, 2017 11:03 am
Forum: SDR Antennas
Topic: Need help with Wellbrook Loop & SDRplay/SDRuno
Replies: 5
Views: 1757

Re: Need help with Wellbrook Loop & SDRplay/SDRuno

I've had extremely great results using a 1800KHz high pass filter between the antenna and the input of the RSP that attenuates the MW broadcast band by more than 40 dB. The advantage of this over a preselector is there is no need to constantly re-tune every time you change the receive frequency. Whe...
by PG3
Mon Mar 06, 2017 10:20 am
Forum: SDRuno
Topic: Some thoughts on SDRUno.
Replies: 5
Views: 578

Re: Some thoughts on SDRUno.

Speaking about the ergonomics of the filter group of controls, it would be nice if when you <shift>-left-click or <shift>-right-click in the SP2 window to set filter 1 or 2 if that filter would turn on without having to move the mouse to the RX window to enable it.

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