When submitting a press release through Signal Genesys, the channels available fall into two categories:
Single-site channels — a placement on one specific, named publication (for example, USA Today).
Multichannel distributors — a single submission that gets picked up across a network of many sites at once, rather than one specific outlet. These are grouped and named by network (for example, a "DA 80" tier or a "Local & National" network), not by an individual publication name.
Custom or location-specific channel selection (for example, requesting a specific state-level or local TV channel by name) isn't offered — channel options are chosen from the existing single-site and multichannel options rather than built to a custom request.
Press release distribution channels are a Signal Genesys concept. Signal Genesys is a separate product from Search Atlas's own Authority Building / Digital PR feature (which uses Signal Genesys as its backend distributor), and it's unrelated to Link Laboratory or Publication Media, which are backlink/guest-post marketplaces rather than press release distribution. Don't mix distribution-channel terminology into a Link Lab or Publication Media conversation, or vice versa.
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