Where I Am--Using HF APRS for position updates

I thought the hams among us might find my entree into HF (High Frequency) APRS (Automatic Position Reporting System) of interest.  At home I run a APRS I-GATE station so I am pretty familiar with the use of APRS in a fixed station.  I have also run APRS via my Kenwood D700 (which I sold, sadly). Also I often run APRS on my Thunderbolt HTC via the APRS-IS servers online.
HF APRS is a quite different operation. While out of range of 2 meter APRS receivers I hope to update my position regularly to the worldwide APRS-IS servers.  Therefore I will be operating 300 baud 30 meter APRS.  I recently purchased a Tiny Trac 4 from Byon at Byonics and have successfully updated my home position on 30 meters HF so I know it works.  The trick is to get the right set of tones at the right frequencies so that the I-gate station decode them and relay the information.   Convention has it that the TNC audio tones are injected upper sideband (USB) so they are added to the frequency dialed up on the display.  Here are the outgoing frequencies required: 10.149.200 MHz and 10.149.400 MHz.  Since the TT4 uses 1600/1800 Hz tone shift, the correct dial frequency on USB would be 10.147.600.  When the two tones 1600/1800 Hz is added to this frequency the required sum frequencies are correct. I discovered that since the FT 100D only injects tones when in the "digital mode"  the way to get USB is to use the 300 baud packet U for USB and it works like a charm.  On my FT-857 the mode to chose is digital with "user USB"   I purchased a hockey puck GPS that plugs into the TT4 and is powered by it.vThere you have it. With some careful attention to some programing details done via windows terminal I set up the little thing to beacon every 30 minutes.  When I am out there traveling you can find me on http://aprs.fi by inserting WB4FGF-6.  I will also be beaconing with my SPOT device and will have figured out how to embed the map for the SPOT on this blog.  For a very thorough explanation of HF APRS and the setup frequencies for various modems and general theory click here
Next I want to try PSK63 with my sound card adapter. My USB sound card will connect to my Rigblaster sound card adapter.  The same station that picked up my APRS signal in Michigan also has a PSK63 APRS I-GATE . The same tune principles of tuning apply here.  If you are proficient with PSK you should do fine with this type of APRS.  The caveat is that the correct frequency is much more critical.  It is amazing to look at the waterfall and see all those signals being sorted out by the software and interpreted.
Thanks for the indulgence of those who do not care about this kind of stuff. I just wanted to share:)