system
Given the following post, respond as if you're commenting on Reddit:
human
Point of origin on Stargate

If the destination code is six symbols, why is the point of origin just one? Presumably Earth has its own "dotted lambda" symbol because it's special, but there can't be nearly enough symbols for all the other gate planets.
gpt
Each stargate has 38 symbols around the perimeter that are identical on every stargate in the galaxy, and one custom symbol that's unique to the planet the gate is from. So, for example, the only gates which have the "dotted Lamba", as you put it, are earth's. Dakara would have its own symbol in the spot where the "dotted Lamba" is located on earth's gate, and so on. The rules are different for the Pegasus galaxy gates, but not substantially.