• SF Signal was a science fiction blog and fanzine published from 2003 to 2016. The site was launched by John DeNardo and JP Frantz and focused on writings...
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  • In telephony, single-frequency signaling (SF or SF tone) is line signaling in which dial pulses or supervisory signals are conveyed by a single-frequency...
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  • reviewers praised the novel. The book's action sequences were highlighted by SF Signal, and Tor.com wrote that the book had a "satisfying volume completion"...
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    Hard science fiction (redirect from Hard SF)
    Studies. 20 (2). SF-TH Inc: 157–175. JSTOR 4240246. Chiang, Ted (April 15, 2009). "MIND MELD: The Tricky Trope of Time Travel". SF Signal. Archived from...
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  • character thrust into the very situations that the author feared himself. SF Signal rated Penpal at four stars and wrote "Auerbach took something with childish...
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  • 2012). "Podcast Episode 153: Interview with Author Patrick Rothfuss". SF Signal. Hurst, Ashley (2021-01-30). "Patrick Rothfuss: There will be a fourth...
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  • May 2012. Retrieved 10 July 2013. Revelation Space at the ISFDB SFNet review SF Site review Infinity Plus review Russ Allbery review SF Signal review...
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  • Launch: THE APOCALYPSE TRIPTYCH Edited John Joseph Adams and Hugh Howey". SF Signal. Retrieved 29 March 2014. Newitz, Annalee (19 November 2013). "Does the...
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  • "Songs of Love and Death edited by George R.R. Martin and Gardner Dozois". SF Signal. Archived from the original on February 8, 2012. Retrieved September 18...
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    His Upcoming All-Puppet Feature Film Yamasong: March of the Hollows". SF Signal. 12 May 2015. Archived from the original on 20 October 2016. Retrieved...
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  • Publishers Weekly, SF Site, and SF Signal. Much of the praise centered on its characters and technology, and in their review of Wake, the SF Site commented...
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    Dozois". SF Signal. Retrieved September 26, 2014. DeNardo, John (February 14, 2013). "TOC: Old Mars Edited by George R.R. Martin and Gardner Dozois". SF Signal...
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    "Interview:Brian McClellan Talks Epic Fantasy and "Promise of Blood"". SF Signal. Archived from the original on October 30, 2017. Retrieved February 11...
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  • the SF Site, by Peter D. Tillman; published 2007; retrieved January 20, 2022 REVIEW: The Android’s Dream by John Scalzi, by John DeNardo; at SF Signal; published...
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  • found the book discussion of this concept quite lacking. A 2004 review in SF Signal praised the book for engaging, educational writing on an interesting topic...
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  • highlighting the character of Amy as one of their favorite parts of the book. SF Signal gave This Book Is Full of Spiders an overwhelmingly positive review, stating...
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  • OLD AXOLOTL: HARDWARE DREAMS is a Multi-Dimensional and Profound Read". SF Signal. 2015-04-09. Archived from the original on 2017-03-22. Retrieved 2017-03-21...
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  • S.A. Corey and THE WIDOW'S HOUSE by Daniel Abraham, by John DeNardo". SF Signal. 5 September 2013. Archived from the original on 1 June 2014. Retrieved...
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  • cliffhanger that will keep the audience wanting to continue non-stop." However SF Signal described it as "A rather pedestrian space opera that nonetheless has...
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    "Review - Dread Empire's Fall: The Praxis, by Walter Jon Williams". SF Signal. 2005-06-30. Retrieved 2016-06-13. "The Praxis: Book One Of The Dread...
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  • Patricia and Laurence coming of age sections of the novel. In a review in SF Signal, science fiction critic James Wallace Harris described All the Birds in...
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    "Review - Dread Empire's Fall: The Praxis, by Walter Jon Williams". SF Signal. 2005-06-30. Retrieved 2016-06-13. "The Praxis: Book One Of The Dread...
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  • 2600 hertz (category Telephony signals)
    control signals in the voice bearer channel. The development of the T-carrier system in the 1960s helped obsoleting single-frequency (SF) signaling. SF signaling...
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  • Nick (August 9, 2012). "Book Review: Fear to Tread by James Swallow". SF Signal (webzine). Vancouver, Washington: SFSignal.com. Archived from the original...
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    "REVIEW: 'Cryoburn (A Miles Vorkosigan Novel)' by Lois McMaster Bujold". SF Signal. Archived from the original on 19 January 2019. Retrieved 2 June 2012...
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  • February 18, 2012. "REVIEW: Mass Effect: Revelation by Drew Karpyshyn". SF Signal. May 25, 2007. Retrieved February 18, 2012. Brendan Lowry (September 18...
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  • to the center of all that emptiness and finds its beating heart". At SF Signal, one reviewer noted that a "sense of wonder is where this book excels"...
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  • DeNardo, John (April 5, 2014). "Table of Contents: ROGUES Edited by George R.R. Martin and Gardner Dozois". SF Signal. Retrieved September 26, 2014....
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    Says 'The Troupe' is About How You Perceive Yourself and the World". SF Signal. 2012-02-13. Retrieved 2013-09-19. "Robert Jackson Bennett". www.fantasticfiction...
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  • praising Vernon's pacing and "tone-perfect mythology", while SF Signal declared that Digger "deserves to be appreciated" and Black Gate lauded...
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