No 12805, Friday 13 Dec 2019, Vulcan

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ACROSS
1   Athlete presently in a broadcast (6,6) TENNIS PLAYER*
10 Gifted? In conclusion had to pay up (7) ENDOWED {END}{OWED}
11 Steady measure mostly consisting of two parts (7) GRADUAL {GRAm}{DUAL}
12 For the most part, stop sign gives relief (6) RESCUE {RESt}{CUE}
13 A descendant kept apart by one in French city (8) ASCUNCION {A}{S{UN}CION}
15 Spider natural at spinning (9) TARANTULA*
16 Part of a group, an election committee (5) PANEL [T]
17 She’s in a big town right in California (5) CLARA {C{LA}{R}A}
19 Another set to wear in a car? (3-6) TWO-SEATER*
22 Outcast, disheartened, volunteered outside a country (8) VAGABOND {Vo...eD} over {A}{GABON}
24 Very hard to keep away from this kind of tea — unwritten (6) VERBAL {V}{hERBAL}
26 A science place followed by a scholar in one of the states (7) ALABAMA {A}{LAB}{A}{MA}
27 National Bank’s counter closing early primarily (7) CHILEAN {LEAN}<=>{CHIp}
28 Neon light working on display eventually (2,3,4,3)  IN THE LONG RUN {NEON+LIGHT}* [RA]

DOWN
2   What is consumer ensured to get! (3,4) END USER* Semi&lit
3   Island is staggering — in genuine awe without end (3,6) NEW GUINEA {GENUINE+AWe}*
4   Irrelevant feature (4) SIDE [DD]
5   Senator/member is subsequently overheard (10) LEGISLATOR {LEG}{IS}{LATOR}(~later)
6   Desire of every earner (5) YEARN [T]
7   Ruin one critical meeting (7) REUNION*
8   European, one in dry city (6) BEIRUT {B{E}{1}RUT}
9   No sex involved — no call made (6) CLONAL*
14 What’s fair to take during trial as a precaution (4,2,4) JUST IN CASE {JUST}{IN}{CASE}
16 Power diminishing as aforementioned (9) PRECEDING {P}{RECEDING}
17 Animal crossing road with caution (6) CAVEAT {C{AVE}AT}
18 A lie without basis, basically about a country detailed in language (7) AFGHANI {A}{F{GHANa}Ib}
20 Vivid description of a piece of furniture with gold at the bottom (7) TABLEAU {TABLE}{AU}
21 Change one’s mind about fasting time (6) RELENT {RE}{LENT}
23 Band’s first and final hit (5) BLAST {Band}{LAST}
25 Repetition of same chords (4) ECHO [T]

Reference List
Right = R, Very = V, Hard = H, Scholar = MA, European = E, Power = P, About = RE