{"id":"W2915193633","doi":"10.1002/0471654507.eme165","title":"High‐Frequency Broadcasting","year":2005,"lang":"en","type":"other","venue":"Encyclopedia of RF and Microwave Engineering","topic":"Radio Wave Propagation Studies","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Broadcasting (networking); Skywave; Shortwave; Telecommunications; Commercial broadcasting; China; Geography; Political science; Computer science; Radar; Physics; Computer security","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0000701695,0.0004166047,0.0005223649,0.000353893,0.00002035841,0.00001381351,0.0001310855,0.0002279607,0.0002383159],"category_scores_gemma":[0.00003797962,0.0004553249,0.0000697658,0.0001532058,0.00003986711,0.00006036981,0.00004928301,0.0002809482,0.00003495623],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004466407,"about_ca_system_score_gemma":0.00001315572,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003330943,"about_ca_topic_score_gemma":0.00001716537,"domain_scores_codex":[0.9989197,0.000005640791,0.0003609323,0.0002522301,0.0001397451,0.0003217319],"domain_scores_gemma":[0.9995341,0.00004696381,0.00008731922,0.0002256855,0.00002173481,0.0000842474],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.000006725207,0.00006693216,0.0006506293,0.00726221,0.001848258,0.00009306089,0.001673381,0.01823532,0.1290531,0.003536301,0.5804257,0.2571484],"study_design_scores_gemma":[0.0004888196,0.00002527651,0.0003697644,0.0008709816,0.000116344,0.00004154812,0.00002991953,0.001113288,0.004486498,0.00002796524,0.9913935,0.00103608],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.003436926,0.0589183,0.01702487,0.00001847237,0.001880395,0.0003756314,0.00009066756,0.001326226,0.9169285],"genre_scores_gemma":[0.09805505,0.1151894,0.2634391,0.0000468164,0.007676612,0.0001528626,0.0001681613,0.004482281,0.5107897],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.4109678,"threshold_uncertainty_score":0.9997898,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004046476063669241,"score_gpt":0.1794896043873834,"score_spread":0.1754431283237142,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}