The TPRFN, or the The Packet Radio Forwarding Network, is a specialized network that connects existing VHF/UHF packet radio systems and stand alone nodes using High Frequency(HF) bands and modern digital modes like VARA HF, prioritizing Near Vertical Incidence Skywave (NVIS) links for reliable, RF only communication without relaying on internet (AXIP) connections.  It aims to provide a resilient and independent digital communication infrastructire, particularly useful in emergency situations where traditional networks may be unavailable, and supports various packet radio functionalities like store and forward messaging, digital data transmission and error correction.

The below interactive map represents an up to date representation of TPRFN's RF connectivity.  Click in the upper right corner to open a larger map in a new browser tab. 
K1AJD APRS 
 
 
02/15/2020: 
 
Current radio: Yaesu FT-857/d running 16 watts  
Current Antenna: Diamond 200 20 feet HAAT 
Interface: Tigertronics SignaLink™ USB Digital Communications Interface Combos SLUSB6PM-P with JUMPER MODULE 6-PIN MINI-DIN  
Computer: HP with 4GB of ram 
Software: YACC version 1.0-beta147 
Packet Engine Pro 
APRS SSID's:  
-4 Laptop using YACC to connect to APRS network via K1AJD-10 
-10 PC setup as fully functional 2 way I-gate  
for APRS network 
Notes: 
Tigertronics Signalink USB interface purchased with the appropriate jumper module for the Yaesu FT-857/d made for an fifteen minute installation. 
 
-10 station for RF>Igate and Igate>RF full time.  
-4 SSID on tablet / pc for monitoring of -10 station.  
 
One item of interest to me is the ability to receive 'live' data from those APRS stations who report their local weather conditions.