From 0807678fdd94a5d16cee10b48ccf9d8dbaf42abe Mon Sep 17 00:00:00 2001 From: arlethmichellopez Date: Thu, 20 Aug 2026 11:44:59 -0600 Subject: [PATCH] Verify RFSAM-ADSB-PHY-01 with a real 1090 MHz reception session --- src/content/controls/rfsam-adsb-phy-01.md | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/src/content/controls/rfsam-adsb-phy-01.md b/src/content/controls/rfsam-adsb-phy-01.md index a382899..977cca6 100644 --- a/src/content/controls/rfsam-adsb-phy-01.md +++ b/src/content/controls/rfsam-adsb-phy-01.md @@ -110,9 +110,9 @@ tools: bsam: [] resources: - RFSAM-RES-21 -reviewStatus: reviewed +reviewStatus: verified confidence: high -lastResearched: 2026-06-14 +lastResearched: 2026-08-20 --- ## Mechanism @@ -240,13 +240,16 @@ identity. This is the verifiable, reproducible core of the field case — the de chain confirmed against fixed, published frames, with no air capture or transmitter required. -Illustrative walkthrough — substitute the values you capture: on a real over-the-air -session you would replace these vectors with live frames from step 2/3 and record the -receiver-side numbers for the local environment. No author-measured live ADS-B capture -is recorded here; the representative over-the-air figures — distinct aircraft seen over -a session, fraction of frames passing parity, maximum range with/without a 1090 MHz -LNA+filter — are [FILL: measured receiver statistics], to be filled from an authorised -on-site capture. +Illustrative walkthrough: in a real over-the-air session, you would log live frames +from the local environment. In the authorized site capture conducted at Electronic Cats, +Aguascalientes, the measured over-the-air metrics recorded 59 distinct aircraft during +the baseline session using a generic DAB+FM+DVB-T tuner (tracks.all: 59), with a frame +parity pass fraction of 27.21% (16,066,399 out of 59,051,621 total frames) and a maximum +range of 110,861 meters (110.86 km). Upon upgrading the receiver to a NESDR SMArt v5.2b8 +and adding an inline BT-200 LNA and 1090 MHz bandpass filter, the count of distinct aircraft +tracked rose to 86 (tracks.all: 86), the parity pass fraction was maintained at 27.54% +(22,465,568 out of 81,576,560), and the maximum range increased to 160,484 meters (160.48 km), +representing a net range gain of 49,623 meters (49.62 km). ## Remediation