Uat Test Mode Definitions; Normal; Overlapping; Dme Fruit 12 Us Spacing - Aeroflex RGS-2000NG Operation Manual

3. 5 .4 .1 UA T T es t Mod e De f in it i ons
3. 5 .4 .1 .1 Nor m al
Allo ws t he u se r t o sele ct th e U AT Test Mode:
Ther e ar e tw o t ran smit ter s. U AT RX 1 is connecte d to the top a ntenna and UA T R X2 is connect ed t o th e
bott om ant enna. Each channe l allo ws 3 2 dynamic tar gets a nd 150 0 stat ic t arget s. E ach t arge t can be
defi ned as an ai rbor ne or gr oundl ink message.
The user ca n chang e the eye di agram horizo ntal spacing a nd also allow s select ion o f dif fer ent filte rs t o
change the tra nsition in t he e ye diagr am f rom p ositive to n egative fr equency deviatio n.
The tar gets ca n be a de fined ref ere nce to an own air cra ft lat itude and longit ude or a specif ic of fset fr om
the MSO can be sel ected.
The UA T S cenar io r equir es a 1 P PS (o ne pul se per second ) si gnal i nput into the TX Mod # 1 inpu t on the
rear pa nel of th e R GS -20 00NG t o r un t he S cenar io.
3. 5 .4 .1 .2 O v er la pp ing
Bot h tr ansmitt ers are connect ed to the top ante nna po rt. This mode a llow s the user to p erf orm t he D O -
282 MO P S t ests a sso ciated wit h r ecepti on of over lapping UA T me ssa ges.
All the setti ngs of N ormal Mo de ar e al so allow ed.
3. 5 .4 .1 .3 DM E F ru it 12 u s S pac i ng
One U AT tr ansmitte r an d one pulse modulat ed tr ansmi t ter are connect ed to the top ante nna po rt to
perf orm the DME fr uit D O -28 2 MO PS test .
The pow er a nd fr equen cy of the DME 12 u s pulse pair can b e select ed by the user.
All the setti ngs of N ormal mo de ar e al so allow ed.
3. 5 .4 .1 .4 Re t r igg er Long AD S-B Ms g
The user ca n def ine a long AD S- B message tha t is r etr igger able (th e U AT preambl e is emb edded in th e
message mor e t han o nce). Al lows for DO - 282 MOP S t esting of the r eceiver r etri gger capabil ity.
All the setti ngs of N ormal mo de ar e al so allow ed.
3. 5 .4 .1 .5 Re t r igg er Long Gr ound Li nk M s g
Simila r t o R etr igger Long AD S- B Msg except that usage is t o te st t he r eceiver capabil ity on ret rigg er
grou nd up link message s.
All the setti ngs of N ormal mo de ar e al so allow ed.
3. 5 .4 .1 .6 10 9 0 P uls e I nt e rf e r en ce
Allo ws t ran smissi on of UA T me ssa ges w ith a pul se modula tion. The user can de fine the powe r an d
fr equency o f t he int erf eren ce signal . U sed t o te st t he 109 0 pulse inte rfer ence test in D O -282.
All the setti ngs of N ormal mo de ar e al so allow ed.
3. 5 .4 .1 .7 G r ound Li nk M sg I nv al id M SO
Allo ws t he u se r t o t ransmit a gr ound link messa ge w ith an inva lid MS O locati on. A llow s t esting the DO -
282 test requi red for gro und li nk invali d MSO.
All the setti ngs of N ormal mo de ar e al so allow ed.
3. 5 .4 .1 .8 Ai rb or ne M sg I nva l id MS O
Allo ws t he u se r t o t ransmit air borne messages wit h an invalid MSO locat ion. All ows testin g the D O- 282
test req uired for air bor ne inva lid MS O.
All the setti ngs of N ormal mo de ar e al so allow ed.
3. 5 .4 .1 .9 Dop ple r T es t
Allo ws t he u se r t o gen erat e a positive or negat ive D oppler f reque ncy shift on the UA T modu lation
fr equency. Allo ws t esting D O- 282 D oppl er Test.
All the setti ngs of N ormal mo de ar e al so allow ed.
S u b j e ct t o E x p o r t C o n tr o l , s ee C o ve r P a g e f o r d e t ai l s .
OP ER AT IO N MAN UA L
RG S- 2000N G
1-2-3
PAGE 164
JAN 1/18