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TNC Test CD - WA8LMF
http://wa8lmf.net/TNCtest/
Connect the CD player to the external modulation input of a generator, and set the playback level so that the data bursts deviate the generator about 3.5 KHz. Connect a radio's receive audio output to the TNC under test. Connect the RF generator to …
Mobilinkd TNC2 User Guide
http://www.mobilinkd.com/wp-content/files/MobilinkdTNC20c.pdf
Tip = Speaker (audio input to TNC) 2. Ring 1 = PTT (Simplex PTT mode) 3. Ring 2 = Mic (and PTT in Multiplexed PTT mode) 4. Sleeve = GND/Common Blue LED – The power/Bluetooth indicator. Flashes fast when pairing and slow when paired. Red LED – Charge indicator. On when connected to USB and charging, otherwise off.
Mobilinkd TNC3 User Guide
http://www.mobilinkd.com/wp-content/files/MobilinkdTNC3.pdf
The TNC must be connected to the radio via a cable. Mobilinkd sells cables for a wide range of hand-held radios, as well as data cables for mobile and base radios with TNC ports. The cable connects four signals: 1. Audio in (this is the speaker or data out on the radio) 2. Audio out (this is mic or data in on the radio) 3. PTT signal 4. Common (GND)
K4ABT's TNC TO RADIO DIAGRAMS FOR THE PACKET RADIO …
https://ohiopacket.org/files/wiring_diagrams/web.archive.org/web/20000902104029/www.packetradio.org/tnc2rad.htm
Receive audio is usually taken from the External speaker (in most transceivers, a 3.5 millimeter plug). One very important reminder; For best TNC DCD performance, your transceiver volume should be set between the 9 and 11 o'clock position. I've found that too little audio (below the 9:00 O'clock setting), is not good.
TARPN -- TNC+radio adjust and test
http://tarpn.net/t/builder/builders_tnc_adjust_and_test.html
Packet radio transmissions are sent from a TNC as audio, through a transmitter, through a receiver, and into another TNC, still as audio. It is important that at no time does the audio get noise into it, get overdriven (clipping) or have parts cut off because the transmitter and receiver weren't ready when the packet starts.
TNCs and AGWPE - Sound Card Packet
https://www.soundcardpacket.org/8agwpetncs.aspx
This amateur radio web site explains how to use the AGWPE utility program to send and receive packet using the sound card of your PC instead of a TNC. It offers: general information about packet, instructions for configuring AGWPE and some compatible packet programs; advice about building or buying a sound card-to-radio interface; and troubleshooting advice
TNC File Extension - What is it? How to open a TNC file?
https://filext.com/file-extension/TNC
Associate the TNC file extension with the correct application. On. Windows Mac Linux iPhone Android. , right-click on any TNC file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.tnc files". Update your software that should actually open thumbnail cache files.
Homebrew APRS – Arduino Uno KISS TNC – VK3DAN
https://www.vk3dan.ninja/2017/08/03/homebrew-aprs-arduino-uno-kiss-tnc/
Select “Connection Protocol” and choose “TNC (KISS)”, Connection Type should be “Bluetooth SPP”. Client Mode should be checked, now select “TNC Bluetooth Device” Pick your new device from the list and APRSdroid is ready to roll. (it will automatically connect from now on). Turn your radio on and tune it to your region’s APRS frequency (Australia is 145.175MHz), …
Audio to MP3 - Online Converter
https://www.onlineconverter.com/audio-to-mp3
If the source file is a very large file, it will take more time to upload, be sure to select a valid file. File Format Information: MP3 (MPEG1/2 Audio Layer 3) is an efficient and lossy compression format for digital audio, offers a variety of different bit rates, an MP3 file can also be encoded at higher or lower bit rates, with higher or ...
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