# AST SpaceMobile: AT&T COO's Bullish Grain Spectrum Post Page: https://stenobird.com/podcast/ast-spacemobile-podcast-7446851/ast-spacemobile-at-t-coo-s-bullish-grain-spectrum-post Text version: https://stenobird.com/podcast/ast-spacemobile-podcast-7446851/ast-spacemobile-at-t-coo-s-bullish-grain-spectrum-post.md Podcast: [AST SpaceMobile Podcast](https://stenobird.com/podcast/ast-spacemobile-podcast-7446851) Published: 2026-08-22T08:31:39+00:00 Episode link: https://podcasters.spotify.com/pod/show/spacemob/episodes/AST-SpaceMobile-ATT-COOs-Bullish-Grain-Spectrum-Post-e3no6k8 Audio file: https://traffic.megaphone.fm/APO9363696772.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/ast-spacemobile-podcast-7446851/episodes/ast-spacemobile-at-t-coo-s-bullish-grain-spectrum-post Duration seconds: 510 ## Resource AT&T's COO just gave AST SpaceMobile a massive public endorsement over Grain Management's 800MHz spectrum test. Here's why it matters. Anpanman breaks down AT&T COO Jeff McElfresh's LinkedIn post congratulating AST SpaceMobile on receiving an FCC Special Temporary Authority to test Grain Management's 800MHz spectrum for satellite direct-to-cell service. Anpanman explains why the timing and wording of the post, published before the Bloomberg article on Grain's spectrum sale, ranks among the most bullish signals for ASTS stock in recent memory. The discussion covers how Grain Management's 800MHz spectrum sits directly adjacent to AT&T and Verizon's 850MHz holdings, potentially allowing for wider combined channels for satellite-based connectivity. Anpanman ties this to McElfresh's reference to AT&T's satellite joint venture, suggesting the carriers, including T-Mobile which has economic upside tied to Grain's spectrum, may be coordinating closely with AST SpaceMobile rather than competing for the spectrum. Anpanman also addresses the Bloomberg report claiming Grain is seeking $6 billion for its spectrum and that AST SpaceMobile or SpaceX could be interested buyers, noting John Slinky's denial and speculating on what a first round of interest expected in early September could reveal. The episode wraps with a note that satellite shipping updates for AST SpaceMobile are expected imminently. 00:00 Introduction 00:19 AT&T COO's LinkedIn Post on Grain Management 01:38 Jeff McElfresh's Close Ties to AST SpaceMobile 02:07 Breaking Down the LinkedIn Post 04:05 Grain's 800MHz vs AT&T/Verizon 850MHz Spectrum 04:35 Implications for the Carrier Joint Venture 05:03 Bloomberg's $6 Billion Grain Spectrum Report 06:19 T-Mobile's Economic Stake in Grain Spectrum 06:… ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/ast-spacemobile-podcast-7446851/episodes/ast-spacemobile-at-t-coo-s-bullish-grain-spectrum-post/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/ast-spacemobile-podcast-7446851/ast-spacemobile-at-t-coo-s-bullish-grain-spectrum-post.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.