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typically the best value/power output is dual 6v golf cart batteries in a series, you should probably use your existing battery for a while, add a battery monitoring system and figure out how much battery you need.. do you want to go 2-3 days without running generator? or you fine with running...

I've been a manual guy all my life, but few years back I was towing the trailer back home from the west coast for thanksgiving, after driving for 12h straight I got within 100 miles of home and got hit w/a snow storm.. took another 8h, crawling through the mountains in heavy holiday traffic to...

a meager 2W of VHF is not going to lead to RF burns nor lead to any more likely hood of cancer than being outside in the sun exposed to all that electromagnetic energy.. many cell phones can transmit at higher power than that and we hold em up next our face and store em next to our balls all day...

the fact that doggos dont live 79 years on average like humans also makes it FAR less of a problem..

i doubt a <1w pico tracker is gong to stomp on anyone if your using it in a congested area.. the only way a digi will lock onto that lil thing's signal is if nobody else is TXing. but yeah, given limited battery.. I'd set a very conservative reporting schedule, like 1 every 15/20mins.. if...

you can just put no path on it and nobody will digi or gate the tracker..

for a pack this would make a good base radio: http://microsat.com.pl/product_info.php?currency=USD&cPath=57&products_id=166&language=en its only like 4"x2.7", put a GPS, antenna and 4s lipo in a lil dog harness and I could see that working pretty well.. tune a wire antenna with a plastic sheath...

if you want you can setup the ARB on the other side of the system LVD and set it up to something like 11.8v.. so it tries to go a bit longer.. and consider everything else as a secondary load.. I use the BMV-712 in tandem to controll the Battery Protect relay.. the Battery protect is set to cut...

dont ARB fridges have built in LVD? Mine did before the display konked out. Even if you have multiple appliances I still believe you should have a master disconnect lvd to ensure your battery drops all loads at the lowest SOC/voltage your willing to accept, a fridge full of steaks is cheaper...

as someone with two TDI frankenswaps in progress, I approve of this post..

can you lower the power output when its repeating? if your just relaying to your driveway for a repeater you could otherwise reach w/a HT, you could probably run it at low power.

I been thinking of getting a few of these for tracking my kids bike around camp.. I have a APRS radio in my trailer that does tracking/digipeating and in my tow vehicle.. got a RPI hooked up in trailer and was eventually going to feed a map display showing location of all the toys at least...

automotive relays/solenoids have coils that pull a ton of current just them selves, for a house battery you will wanna switch over to something with a solid state relay so its not draining the battery in its self.. The Victron is a solid state and only consumes 1.5mA engaged and 0.6mA...

https://www.victronenergy.com/battery_protect/battery-protect I use the 100A version, but they also have a 65A and 220A depending on the loads.. it works well all by its self fully automatic if you want simple and idiotproof, or you can use it in conjunction with a battery display so you can...

If your goal is to prevent damaging the battery consider a Low Voltage Disconnect, I also have a Victron Battery Protect that does that job nicely.. mine is set to disconnect @ 12v automatically, you plug your charger in between it and the battery and it'll reconnect when you have a charge back...

the bluetooth is likely just connecting as a headset profile and the software is doing all the packet encoding/decoding.. there is no reason why we cant get some open source standard apps developed, if it gains enough traction mebe the manufacturers will implement it them selves instead of the...

that is awesome, glad to see packet radio already being implemented.. figured it'd be another decade with the glacial pace of GMRS progress.. Now I just need a standalone radio w/built in GPS and TNC so I can keep track of my kids. My repeater is on my trailer which is left at basecamp, lets...

I really like my Victron, works very well.. a shunt lets you monitor current consumption and can more accurately calculate SOC.

You can program the channels to correspond to the GMRS channels, Chirp even has a template so its not all that difficult.. For tones I use the same tone hardcoded to each channel, 127.3 which is either 19 or 20 depending on the radio manufacturer (tones are not standard so no guarantee they will...

http://lowprolockdown.com/shop/hondaeu2000lockplate-redblack/ I'm attaching one to a receiver hitch step like I've seen several people on these forums do and carrying it behind the trailer.. for now I can reach a cord from the back of the trailer to the furnace.. eventually im thinking mebe...