NaP3 (Panadapter) SDR Software (F5VNB)


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NaP3-v.2.6.6.     NaP3-v.2.8.8.     NaP3-v.3.0.0.     NaP3-v.3.1.0.

NaP3-v.4.0.0. RC1     NaP3-v.4.0.0. RC3

Please NOTE : The version of NaP3-v.4.0.0 RC3 has a bug and so not on all systems it will run ok without a crash and as result You get a frozen screen . I don`t know who could in future time solve this bug . See this link :          (             Also it is strongly recommended if You like to install or change between the different versions that You at first NOT ONLY let run the programs uninstall-routine ... because some entries in the computer-registry will not deleted and the install process of the other version will not run and also the program will not start ! Also it is recommended it should be done a database-reset in the older / earlier version of NaP3-program. For get a really clean registry and clean new installation without old entries from earlier versions of NaP3 You must clean the "brain remember" of the computer manually by using this software here :     Revo - Uninstaller 1.95 .

As far as I know , is the SDR program NaP3 OPEN SOURCE software. Unfortunately , I am not a specialist for software development and I do not know from where the source code is to get of the program for further developments or possible bug corrections - maybe could make from radio amateurs , who deal with software development as hobby in their free-time .

NaP3 SDR Support - Forum - Questions - Answers

Localhost connection problem ... ?

Jim AD1C 10.06.2015
I am having a problem using the Spots function in NaP3. I'm using 4.0
RC2 (I think). It's the version I downloaded from the LP-PAN 2 web

I can connect to localhost:7300. I can not connect to,
i.e. using numerical address for localhost. Other numerical addresses
on my LAN do not work either (I run cluster software on a different PC
from the one running NaP3). My LAN is 192.168.0.x

I was able to connect an Italian cluster node that uses a numerical IP
address, without any problems.

Is this a known bug? Is there a fix?

Thanks & 73 - Jim AD1C

Jim Reisert AD1C

Antw.:Sources ?

Vadim R9OBC 27.10.2015
Hi Larry! the source files are found you?
Vadim R9OBC

Driver for use RTL2832 USB adapter with NaP3

Ed / KP4AKB/W8 17.12.2014
Is there a driver where we can use a RTL2832 USB adapter with NaP3 ?
I currently use a ExIO_RTL2823.DLL and can use the dongle with SDRSharp and SDRConsole...

Columbus, OH

Antw.:Driver for use RTL2832 USB adapter with NaP3

Floyd - K8AC 03.02.2016
An old post, I know, but - haven't found a driver for the RTL dongle, but I use the Funcube Pro+ with NaP3 and it works flawlessly. I've used it with both the Orion II and the FT-1000MP Mark V.

Fatal Error

NaP3-User 05.12.2014
05.12.2014 03:30

On start up, NaP3 in Windows 7, would occasionally give me this error.

Fatal Error
Input string was not in a correct format.

The only solution I found was to manually go through the registry and remove all keys, sub
keys and entries related to PeteConnorsNap3 and REBOOT. As of today, that no longer works.
Has anybody else beat their head against this wall?

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