- Home
- Directory
- Shop
- Underwater Cameras - Photographic Accessories
- Smartphone Housings
- Sea Scooters
- Hookah Dive Systems
- Underwater Metal Detectors
- Dive Gear
- Dive Accessories
- Diving DVD & Blu-Ray Discs
- Diving Books
- Underwater Drones
- Drones
- Subscriptions - Magazines
- Protective Cases
- Corrective Lenses
- Dive Wear
- Underwater Membership
- Assistive Technology - NDIS
- On Sale
- Underwater Gift Cards
- Underwater Art
- Power Stations
- Black Friday Sale
- Underwater Bargain Bin
- Brands
- 10bar
- AOI
- AquaTech
- AxisGo
- Backscatter Underwater Video and Photo
- BLU3
- Cayago
- Chasing
- Cinebags
- Digipower
- DJI
- Dyron
- Edge Smart Drive
- Eneloop
- Energizer
- Exotech Innovations
- Fantasea
- Fotocore
- Garmin
- Geneinno
- GoPro
- Hagul
- Hydro Sapiens
- Hydrotac
- Ikelite
- Indigo Industries
- Inon
- Insta360
- Intova
- Isotta Housings
- Jobe
- JOBY
- Kraken Sports
- LEFEET
- Mirage Dive
- Nautica Seascooters
- Nautilus Lifeline
- NautiSmart
- Nitecore
- Nokta Makro
- Oceanic
- Olympus
- OM System
- Orca Torch
- Paralenz
- PowerDive
- QYSEA
- Scubajet
- Scubalamp
- Sea & Sea
- SeaDoo Seascooter
- SeaLife
- Seavu
- Shark Shield
- Sherwood Scuba
- Spare Air
- StickTite
- Sublue
- Suunto
- SwellPro
- T-HOUSING
- Tusa
- U.N Photographics
- Venture Heat
- XTAR
- Yamaha Seascooter
- Youcan Robot
Underwater G.P.S. for divers?
Hi to all 
Could anyone tell me if they make a g.p.s. for divers
How Long is a piece of string ?
Could anyone tell me if they make a g.p.s. for divers
How Long is a piece of string ?
Contributed by diver Pat added 2005-04-26
Replies of 2
- Tod added 2005-04-27
- It is difficult to use GPS underwater for two reasons.
The first one is due to the fact that GPS uses radar waves in the 1.5 Ghz band and those waves do not propagate in sea water.
The second difficulty is linked to the fact that GPS is quite greedy in data communications. Each satellite continuously transmit data such as ephemerids. In the water data transmission using acoustics waves is very limited in range, data flow and reliability.
Some High price gear consists of a surface float with a GPS RX on it. The float is connected to the diver below via cable and display unit. Teh unit only displays the location of the bouy, not the diver. So accuarcy is a bit dodgy.
- diver Pat added 2005-04-27
- WOW
thanks Tod
"How Long is a piece of string" ?
Replies of 2
Login or become a member to join in with this discussion.
Seabob Sales
Official dealer of SEABOB Luxury Seatoys by CAYAGO. Addictive fun on and underwater. Dive in and discover. Made in Germany.
Shopfront
-
Kraken 5.5-inch Ultra Bright Underwater Monitor - 4K
- Price A$ 2,499.00
-
Nautica inflatable Jet Ski Wavemaker
- Price A$ 499.00
-
Sublue Paddleboard Power Conversion Kit
- Price A$ 599.00
-
K5 Underwater Scooter
- Price A$ 999.00
-
AquaTech EDGE Pro Camera Water Housings - Canon EOS mirrorless
- Price A$ 2,149.00
Fantasea FG7X III S Vacuum Underwater Housing for Canon G7X Mark III-
Nitescuba Float Block FAXS/FAXM
- Price A$ 59.95
-
Nautica J-Class Seascooter
- Price A$ 1,499.00
Articles
-
Byron Bay goes TEK - or does it !?
- Well … the trip was to go to Windara banks or the Cod Grounds how they call it … a deep dive that isn’t done a lot around Byron Bay anymore. Everyone was excited as tales of sharks galore – and not just Grey Nurses – were told during the days approaching the dive ...
