Sector 4721 // Attic SIGINT Listening Post
[A]lien [L]ife [F]orm Surveillance Drop // RF Intercept & Transatlantic Telemetry
Hardware: Watkins-Johnson 1-2 GHz Downconverter, Drake R-4C, Roof Log-Periodic Mast

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Archive 01: Sepulveda Cross-Connect Map

PacBell 1AESS switch trunk schematics for the Sepulveda corridor. Four bridge-tapped test pairs routed directly through the rear property easement into the garage punchblock.

Archive 02: Watkins-Johnson 1-2 GHz Downconverter

Demodulates 1420.405 MHz cosmic hydrogen carrier down to 10.7 MHz IF. Connected to Tektronix 465B scope on workbench 2.

Archive 03: Transatlantic Packet Radio Logs (14.280 MHz)

AX.25 packet radio exchanges between Sector 4721 (LA), Heathrow (London), and Telefunken (West Berlin). 1200 baud audio frequency-shift keying over 20m amateur shortwave.

Archive 04: Willie's FCC & DoD Direction-Finding Alerts

Standing protocol: If FCC field monitoring vans are spotted on the block, pull the main coaxial feed and ground the roof antenna array instantly.

[+] WILLIE'S SIGINT SPECTRUM SCANNER [+]
Roof log-periodic array & downconverter tuner

1420.405 MHz

STANDBY - RECEIVER IDLE

 

PRESETS:
[!] WILLIE'S REEL-TO-REEL LOG RECORDER (EXHIBIT B) [!]
1/4-inch magnetic tape audio log from the attic bench

CUE: Tape Log 818-4721 (1997-08-22 SIGINT Memo)

Secret Attic Registry
Sign the ledger if you found this room. Do not alert Willie.

Name / Handle:   Note:

the other book

This page is not in the nav. The 404 page rats me out. The site map has a ???. You are in the club.

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