Claude Skills by ashfordeOU

Use when define the wire-category scheme and the bundle-routing separation rules of a spacecraft harness under ECSS-E-ST-20-07C clause 4.2.13.1: assign each wire a category from its function family, promote a fast-switching line to the interfering category from its current-slew and voltage-slew rates, demote a low-amplitude high-source-impedance line to the sensitive category, require each bundle to carry one category only, derive the bundle-to-bundle route separation from the category pair, ...

Evaluate the compliance table an indirect-discharge test result must be presented as under ECSS-E-ST-20-07C clause 5.4.12.5, where each row carries the induced current level observed during the discharges and not the verdict alone. Use when indirect-discharge results are drawn up or reviewed: compute every row margin between the observed induced current and its susceptibility limit, catch a verdict contradicting its own numbers, catch a level cell left empty, and test the table for coverage o...

Determine whether the high-voltage supply and discharge generator primary circuit declared for an ECSS-E-ST-20-07C clause 5.4.12.2 indirect discharge run can deliver the exposure: derive the stored energy, the first peak current, the network decay constant, the recharge time the charging resistor imposes and the repetition rate that leaves, size the supply ceiling and the electrode holdoff from the severity level, bound the regulation error and the network tolerance, compare each declared ite...

Plan the stabilisation, fixture calibration and discharge application steps an indirect discharge exposure follows, under ECSS-E-ST-20-07C clause 5.4.12.4. Use when the run is written or reviewed: confirm the generator dwelled long enough to settle, group the fixture calibration as passed, out of tolerance or omitted from the first peak and the rise time, derive the interval the coupling plane bleed imposes and stretch a short one to it, require enough repeats at each point, order the stabili...

Derive the bench an indirect discharge exposure runs on from the standard equipment configuration, under ECSS-E-ST-20-07C clause 5.4.12.3. Use when a coupling plane arrangement is built or reviewed: apply each declared delta to the baseline geometry, refuse an unknown delta or one that collapses a band, grade coupling plane distance, overhang, bleeder resistance, cable separation, insulating support and bond resistance against their bands, size the plane span from the unit footprint, derive t...

Evaluate the current-against-time graph a switch-on surge result must be presented as, under ECSS-E-ST-20-07C clause 5.4.4.5. Use when inrush-current results are drawn up or reviewed: confirm the axes really carry current against time in units belonging to those quantities, require the plotted span to open before the switching instant and close after the draw has settled, detect a peak running past full scale or sitting too low in it to read, count the samples landing on the rising edge, comp...

Determine whether the instruments listed for an ECSS-E-ST-20-07C clause 5.4.4.2 inrush measurement can actually capture the surge: derive the chain bandwidth from the expected rise time, the sample rate from that bandwidth and the record depth from the capture window, size the current-probe peak rating from the surge and its low-corner ceiling from the allowed droop, bound the spike-generator edge that still proves the chain rather than the source, compare each declared item with its requirem...

Plan the stabilisation, chain-check and switching steps a switch-on surge run follows, under ECSS-E-ST-20-07C clause 5.4.4.4. Use when an inrush-current procedure is written or reviewed: confirm the unit dwelled long enough to draw a steady current, group the optional measurement-chain check as passed, out of tolerance or omitted, derive the off-time each repeat needs for the input filter to discharge, order the arm, switch, record and recover steps so no leading edge is lost, assess the trig...

Verify that the inrush aim of ECSS-E-ST-20-07C clause 5.4.4.1 is actually demonstrated: confirm every required switch-on condition was captured on every power line, take the peak surge and the settled steady-state draw off each transient record, form the surge ratio, measure how long the draw stays above the specified envelope and the excess charge it carries there, categorize each event as within-bound, at-bound or an exceedance, reduce every line to its worst event and name the governing li...

Derive the bench an inrush-current measurement runs on from the standard equipment configuration, under ECSS-E-ST-20-07C clause 5.4.4.3. Use when a switch-on surge setup is built or reviewed: apply each declared delta to the baseline geometry, refuse an unknown delta or one that collapses a band, grade lead length, lead height, probe-to-connector distance, source impedance and bond resistance against their bands, combine probe and recorder bandwidth into one chain rise time, compare it with t...

Verify that every interface of a tested unit is terminated in real hardware or a representative equivalent load before an ECSS-E-ST-20-07C clause 5.2.6.7 electromagnetic run: categorize each termination, compare equivalent-load impedance magnitude and phase against the hardware it stands in for, check that a simulated power load draws the flight load current and is rated above its dissipation, and hold the run while any interface is open or out of tolerance. Use when a bench substitutes load ...

Use when assess the launch-pad lightning risk demanded by ECSS-E-ST-20-07C clause 4.2.3.2: categorize every threat component as direct-attachment, indirect-magnetic-coupling or conducted-umbilical-transient, place the vehicle against the rolling-sphere protected volume built by the pad lightning-masts for the declared protection-level, compute the loop-induced voltage from a nearby-stroke current-derivative and the shield-transfer voltage driven along an umbilical, compare both against the eq...

Use when verify that an onboard radio-frequency receiver tolerates launch-site emitter overload under ECSS-E-ST-20-07C clause 4.2.2.2: convert each range-radar, pad-telemetry and launcher-transmitter illumination from field-strength to power-density, apply the receiver antenna effective-aperture and the front-end frequency-rejection, sum the coupled level at the antenna-port over every emitter active in the phase, and compare it against the receiver overload-threshold and damage-threshold wit...

Verify launch-system electromagnetic compatibility, or justify waiving it. Use when the ascent case of ECSS-E-ST-20-07C clause 5.3.3 has to be closed: rebuild the powered-state timeline of every spacecraft unit between liftoff and separation, merge the declared phases to prove the unpowered claim covers the whole ascent window with no gap, categorize each unit as unpowered, passively-powered, actively-powered or rf-transmitting, and grant the testing waiver only when no unit ever leaves the u...

Verify the system-level lightning protection case. Use when ECSS-E-ST-20-07C clause 5.3.4 asks how the required protection against lightning effects is confirmed: place every exposed surface in its attachment zone, derive the current waveform components that zone owes, refuse a closure argued by inspection or review-of-design inside an attachment zone, raise each measured circuit transient by its measurement uncertainty into a transient control level, take the decibel margin of the equipment ...

Assess the instrument set a low-frequency conducted-emission run is built from under ECSS-E-ST-20-07C clause 5.4.2.2: confirm a measurement receiver, a current probe and a calibration signal source are all present and in date, intersect their frequency coverage with the required measurement band, report every uncovered sub-band, name the instrument that limits the chain, check the probe transfer-impedance and current rating against the harness it must clamp, and derive the source drive level ...

Execute and audit one low-frequency conducted-emission run under ECSS-E-ST-20-07C clause 5.4.2.4: confirm the mandatory steps were all carried out and in their proper order, compare the instrument soak against the required warm-up, judge the system-check read-back error against its decibel tolerance, size the tuning step and the per-point dwell from the resolution bandwidth, derive the point count and the scan time the sweep occupies, and separate outright findings from margins merely worth c...

Evaluate whether a low-frequency conducted-emission test plan serves the aim of ECSS-E-ST-20-07C clause 5.4.2.1. Use when the task is judging a plan against the purpose rather than a limit: confirming the sweep spans the low part of the spectrum, that every power supply lead and every matching return lead carries a sensor, that the method senses lead current rather than a terminal voltage, that a limit line exists to compare against, and quantifying the swept share of the aim band in the loga...

Verify the bench arrangement a low-frequency conducted-emission run is built on under ECSS-E-ST-20-07C clause 5.4.2.3: confirm the ground plane overhangs the unit footprint on every side and the unit bond stays under its resistance limit, then grade each measured lead for its stabilisation network, the current-probe offset from the connector, the harness height above the plane and the separation from every other harness, separating true deviations from dimensions merely sitting at the edge of...

Use when audit the documented magnetic-cleanliness control plan required by ECSS-E-ST-20-07C clause 4.2.5.1: check the plan carries its mandatory parts — design-guidelines, source-emission-limits, magnetic-screening procedure, verification-approach and dipole-budget maintenance — then allocate the system stray-field requirement down to each item by equal-share or root-sum-square, evaluate each item's dipole-moment contribution at the reference-distance in the axial or equatorial orientation, ...

Assess a steady magnetic emission report against ECSS-E-ST-20-07C clause 5.4.5.4, which replaces the general presentation rules for a field that has no spectrum. Use when magnetic moment results are tabulated or reviewed: require a value at every declared distance and on every axis rather than a plot or one summary figure, rebuild the resultant from its axis components and compare it with the stated one, derive the moment each distance implies so a row filed against the wrong distance shows u...

Determine whether a magnetic moment test runs in the order ECSS-E-ST-20-07C clause 5.4.5.3 sets. Use when a moment-test procedure is written or reviewed for a unit measured about six semi-axes across successive conditioning states: confirm every state carries all six semi-axes once, that as-received readings precede any conditioning, that each block follows the deperming or magnetising step which creates it, that deperming precedes magnetising, that no block is split across another state, and...

Evaluate the field-compensated setup an intrinsic magnetic moment determination needs, under ECSS-E-ST-20-07C clause 5.4.5.2. Use when a moment-test area is prepared or reviewed: check the residual field left after compensation against the stated tolerance, derive from the unit's largest dimension the separation at which it still reads as one dipole, compute the axial field that separation delivers from the expected moment, compare it with the magnetometer noise floor for usable margin, and s...

Determine which operating mode of a tested unit emits most in each measurement band, and assess whether the mode declared for an ECSS-E-ST-20-07C clause 5.2.7.1 emission run is that worst case: rank the surveyed mode levels band by band, correct a pulsed emitter to an effective average level before ranking, name the dominant mode, compute the decibel shortfall of the declared mode, and list every band that needs a run of its own. Use when a unit offers several operating modes, load states or ...

Validate the whole receiving chain of an emission measurement before its first point is recorded, anchored at ECSS-E-ST-20-07C clause 5.2.11.2: sum the transducer, cable, attenuator, amplifier and receiver contributions into an end-to-end gain, predict what a reference signal of known level should indicate, hold the deviation to its decibel allowance, and refuse an injection that bypasses part of the chain, that was performed after the run began or too long before it, or that is one record re...

Verify that every antenna, probe and sensor of an electromagnetic-compatibility measurement chain still holds a valid calibration, anchored at ECSS-E-ST-20-07C clause 5.2.11.1: take the last calibration date of each device, add the biennial recalibration interval honouring month lengths, pull the result forward to any damage the device suffered since, and keep the earlier of the two as the real due date; then hold that date against the planned measurement window so a device lapsing mid-campai...

Use when compute and cap the direct-current surface resistance of a metallic ground-plane placed under a unit on electromagnetic-compatibility test, per ECSS-E-ST-20-07C clause 5.2.3.2: derive sheet-resistance in milliohms-per-square from material resistivity corrected to the plane working-temperature and the conductive thickness, count the squares along the current-path, add welded, bolted, riveted and bond-strap joint resistances, reject a mating-face finish that is not conductive, compare ...

Use when verify that a unit whose flight installation sits on isolating mounting hardware is presented to an electromagnetic-compatibility test on a representative mounting base under ECSS-E-ST-20-07C clause 5.2.6.3: categorize the flight mounting-base as hard-mounted, isolator-mounted or stand-off-mounted, require an isolator-mounted unit to keep the same isolator-family, isolator count and stack-height on test, compute the direct-current resistance the isolator stack leaves between unit-cha...

Validate that every frequency-domain emission or susceptibility measurement uses peak detection under ECSS-E-ST-20-07C clause 5.2.8.2: reject averaging, root-mean-square, sample and quasi-peak detectors that report below the true peak, derive the dwell each measured point receives from the sweep time and point count, compare it against the resolution-bandwidth response time and the pulse repetition interval, check the frequency step against the resolution bandwidth so a narrow signal cannot s...

Determine which power-bus voltage extreme governs a conducted emission measurement, anchored at ECSS-E-ST-20-07C clause 5.2.12: align the sweeps recorded at the lower and the upper supply setting on one frequency grid, take the worst level at every frequency and the setting that produced it, rank the settings by the largest exceedance each reaches above the declared limit line, and refuse a campaign that exercised a single extreme, that ran at neither, or that reported a setting other than th...

Verify the injection chain for a power-lead conducted susceptibility test. Use when the task is ECSS-E-ST-20-07C clause 5.4.7.2 and a bench inventory of generator, power amplifier and low-inductance series resistor must be judged fit to drive a disturbance onto the supply leads: confirm the generator and the amplifier span the required band, derive the drive power the amplifier has to deliver into the lead impedance once path loss and headroom are added as decibels, hold that against its rate...

Execute the stepped injection run of a power-lead susceptibility test. Use when the task is ECSS-E-ST-20-07C clause 5.4.7.4 and a supply-lead disturbance has to be applied while the unit is watched for a response: hold the warm up against the longer of a floor and the declared stabilization time, walk the geometric frequency ladder across the band, derive the dwell each step needs from the slowest response the unit can show, ramp the level no more coarsely than the allowance until the require...

Scope a power-lead conducted susceptibility test against the aim of ECSS-E-ST-20-07C clause 5.4.7.1: proving the unit goes on working while disturbance signals are injected onto the leads that feed it. Use when such a test is planned or its purpose is challenged: separate supply leads from signal leads, name supply leads nothing is injected onto, expose sub-bands never disturbed on a lead, flag injections planned under the level the unit must tolerate, catch functions monitored only on undist...

Validate the bench arrangement a power-lead susceptibility injection is built on. Use when the task is ECSS-E-ST-20-07C clause 5.4.7.3 and a supply-lead injection has to be set up on the standard bench configuration: confirm every supply lead is terminated in its own stabilization network, hold the exposed run and its height above the ground plane to their allowances, place the series injection element inside the window measured from the unit connector, keep the current monitor clamped beside...

Determine whether the generator and instruments declared for a power-lead transient injection under ECSS-E-ST-20-07C clause 5.4.9.2 can deliver and record the specified pulse. Use when a supply-transient bench is assembled or reviewed: raise the required terminal amplitude to the open-circuit output the source and load impedances demand, bound the generator edge and its repetition interval, derive the recording chain bandwidth, sample rate and memory depth from the pulse edge and window, set ...

Verify a power-lead transient application run against ECSS-E-ST-20-07C clause 5.4.9.4: sequence the mandatory steps, confirm the instrument stabilisation check brackets the pulses rather than trailing them, grade the differential-mode and common-mode applications for both polarities, pulse count, pulse width and the recovery interval between pulses, compute the elapsed application time and the read-back drift the bracketing checks leave, and separate a genuine susceptibility from an instrumen...

Verify that the aim of ECSS-E-ST-20-07C clause 5.4.9.1 is actually demonstrated: that a unit keeps performing while the brief transients its supply carries are applied to its power leads. Use when injected supply-transient records are judged: validate each pulse, take its signed peak and its half-amplitude width by interpolating the crossings, integrate the volt-second area it delivers, compare the applied stress with the level the interface specifies and refuse an under-driven pulse as proof...

Verify the differential-mode injection arrangement a power-lead transient test is built on under ECSS-E-ST-20-07C clause 5.4.9.3: confirm the standard bench underneath it still holds its bond and its supply isolation, then grade each injected lead for its injection device, the offset of the injection point from the unit connector, the separation between injector and monitoring probe, the harness height above the plane and the series isolation that keeps the bus supply from swallowing the puls...

Use when verify the supply-impedance control demanded by ECSS-E-ST-20-07C clause 5.2.4 across an electromagnetic measurement campaign: confirm every energized supply conductor and its dedicated return carries a line-impedance-stabilization-network, model each network impedance magnitude from its damping-resistance and series-inductance at every swept measurement frequency, compare the measured magnitude against that model inside the declared tolerance band, and re-examine the calibration chec...

Evaluate the instrument set an ECSS-E-ST-20-07C clause 5.4.6.2 radiated electric-emission run depends on: confirm a measurement receiver, a data recorder and the polarized receive antennas are each declared, tile the antenna spans across the method band in vertical and horizontal polarization separately, name every uncovered segment and the antenna holding each edge, turn a receiver reading into a field strength through the antenna factor and cable loss, and reject an item whose calibration l...

Assess the radiated electric field emission measurement procedure of ECSS-E-ST-20-07C clause 5.4.6.4. Use when a radiated emission run is planned or graded: confirm the receiver completed its warm-up and settled before any level was believed, group that record as settled, under-warmed or drifting, compare each scanning increment against its measurement bandwidth so no frequency falls between cells, merge the steps per antenna polarization to expose sub-bands never recorded, flag steps begun b...

Assess whether the radiated electric-field aim of ECSS-E-ST-20-07C clause 5.4.6.1 is demonstrated: confirm the unit enclosure and the interconnecting cabling are both scanned in vertical and horizontal polarization, confirm every scan reaches both edges of the declared method band, compute the margin between each recorded field strength and the applicable radiated limit, categorize every frequency as within-limit, at-limit or an exceedance, reduce each scan to its worst-case frequency, and na...

Audit the radiated electric emission report package of ECSS-E-ST-20-07C clause 5.4.6.5, where the recorded levels must travel with a statement of measuring-antenna electrical continuity. Use when an emission report is assembled or reviewed: name every antenna the data was taken through, find the ones no statement covers, group each statement as continuous, marginal or open against its resistance allowance, reject statements taken outside the run window they are offered as support for, resolve...

Derive the bench layout for an ECSS-E-ST-20-07C clause 5.4.6.3 radiated electric-emission run and audit the realized bench against it: apply each declared method delta to the baseline geometry, compare the antenna-to-unit separation, boresight height, cabling run length and ground-plane bond resistance against their bands, confirm the separation clears the near-field boundary at the lowest frequency, check every radiating face of the unit was presented to the antenna in both polarizations, an...

Assess the instrument chain an ECSS-E-ST-20-07C clause 5.4.11.2 radiated electric susceptibility exposure is made with. Use when the exposure bench is specified or reviewed: confirm a signal generator, a power amplifier, a transmit antenna and an isotropic field probe are each declared once, intersect their usable spans and name the item bounding the method band, derive the forward power the required field strength needs from antenna gain and separation, compare it with what the generator and...

Verify that a radiated electric field susceptibility run demonstrates the aim ECSS-E-ST-20-07C clause 5.4.11.1 introduces: the unit and its interconnecting cabling both keep working under a strong field across a wide band. Use when the method is introduced, planned or its record reviewed: confirm both exposure objects are swept, check each sweep reaches both edges of the declared band, compute the margin between the field applied and the field required at every frequency, group each point as ...

Execute and audit one ECSS-E-ST-20-07C clause 5.4.11.4 radiated electric susceptibility run: confirm every radiation-safety provision is in place before the amplifier is keyed, compute the hazard clearance distance the forward power and antenna gain demand against the permissible exposure density, build the geometric step ladder across the declared test frequency range, compare the recorded exposure steps against it to expose skipped stretches and oversized jumps, grade each step dwell agains...

Assess what an ECSS-E-ST-20-07C clause 5.4.11.5 radiated electric susceptibility report has to put in front of a reader: validate every frequency point for generator setting, forward and reflected power and achieved field level, compute the net power delivered and the field the chamber calibration factor predicts from it, grade the decibel discrepancy against the level written into the report, confirm each point reaches the reader through a table or a graph with named axes and a logarithmic f...

Derive and grade the chamber arrangement for an ECSS-E-ST-20-07C clause 5.4.11.3 radiated electric susceptibility exposure: apply each declared method delta to the baseline geometry, refuse a delta that collapses an allowed band, compute the footprint the antenna projects at the unit plane from its separation and beamwidth, confirm the unit face and the exposed harness both stand inside it, grade separation, boresight height, harness height, probe offset, absorber clearance and bond resistanc...

Assess the field-generating chain a radiated magnetic susceptibility run is built from under ECSS-E-ST-20-07C clause 5.4.10.2: confirm a signal source, a power amplifier and a radiating loop are all present and in date, intersect their frequency coverage with the required exposure band and report every uncovered sub-band, size the loop from its diameter and turn count, derive the loop current that reaches the wanted flux density at the stated standoff, convert it to a drive level through the ...