[CW] KPH and K6KPH Receiver and Transmitter Locations

Fri Jul 16 11:44:33 EDT 2021

Thanks for sharing that Dave.
DDddd-dddDD

On Thu, Jul 15, 2021 at 8:56 PM David J. Ring, Jr. <n1ea at arrl.net> wrote:

> KPH - and K6KPH - transmitters are located at 451 Mesa Rd. in Bolinas, CA
> (RCA called this location "BL") a distance of 17.45 miles away from the KPH
> / K6KPH receiving site at 17400 Sir Francis Drake Blvd, Inverness, CA
> 94937. (RCA called this location "RS") KPH keys multiple vintage and modern
> (Henry) transmitters in Bolinas from the receiving location (RS) by using a
> telephone line with multiple tones for Morse, data channels (for SITOR) and
> two frequencies for the "teletype order circuit" between RS and BL.
>
> Various photos taken from Google Maps.
>
> Tracy Reese, WB6TMY / K6CG (Silent Key) with the KPH 10 kW 426/500 kHz
> transmitter in Bolinas, CA.  TR was at first an operator at RS (Pt. Reyes),
> but transferred to operations at BL (Bolinas).
>
> [image: kph_bolinas2_500and476kHz_30kw_tx_with_tr_k6cg.jpg]
> *TR with RCA BL-10 MF 10 kW TX Building 1, BL.*
>
> [image: kph_bolinas1.jpg]
>
> *Panorama of KPH BL antenna field. Bolinas, California.*
>
> [image: kph_bolinas2.jpg]
>
> *Aerial View of KPH Bolinas (BL), 451 Mesa Rd, Bolinas, CA and antenna
> field from Google Maps*
>
> [image: kph_bolinas_to_kph_inverness_point_reyes_ca.jpg]
>
>
> *Aerial Distance from KPH transmitter to Receiver sites (BL to RS), 17.45
> miles from google maps.*
>
> [image: kph_bolinas_tone_sets_5.jpg]
> BL Tone sets from telephone wire from RS receive site, These 902 tone sets
> are located in the control room at the Bolinas transmitter site.  There is
> one tone set for each transmitter. There are transmitter toggle switches at
> each operating position to turn on or off each of the transmitters on
> 500/426 kHz, 4, 6, 8, 12, 16 and 22 MHz (some bands have more than one
> transmitter frequency being keyed.  Capability exists for RS Control
> Position 1 to key a certain group of frequencies, and RS Control Position 2
> to key other groups of transmitters, all individually selected at each
> K6KPH likewise can select 3.5, 7, 14, and 21 MHz transmitters which
> generally all all keyed at the same time.
>
> *KPH Point Reyes, Inverness, CA*
>
> [image: kph_point_reyes1.jpg]
> Entrance sign at 17400 Sir Francis Drake Blvd, Inverness, CA 94937 at the
> beginning of the KPH Cyprus Tunnel that leads to KPH RS Receive Location
> (RS - Point Reyes) and Antenna Field.
>
> [image: kph_point_reyes1a.jpg]
> Further down the Cyprus Tunnel at KPH RS receive site, Point Reyes, CA.
> [image: kph_point_reyes_operating_position_chop_dillman.jpg]
> KPH CHIEF OPERATOR, Richard Dillman, (RD), W6AWO at KPH main operating
> console at RS (Point Reyes, CA) which controls the transmitters at BL
> Bolinas, CA by tones transmitted over telephone lines.
>
>
> [image: kph_point_reyes2.jpg]
>
> Aerial view of KPH RS Cyprus Tunnel and Receiving Station House, Point
> Reyes, Inverness, CA
>
> [image: kph_point_reyes3.jpg]
>
> KPH RS - Receiver Station House, Inverness, CA at end of Cyprus Tunnel at
> dusk.
>
> [image: kph_point_reyes_chop_rd_5.jpg]
> Chief Operator (CHOP) RD demonstrating teletype machine to guest.
>
> [image: kph_point_reyes4_RD_and_crew.jpg]
>
> RD and other KPH crew photo taken at RS.
> [image: kph_point_reyes5_RD_and_crew.jpg]
> RD (Richard Dillman), DA (Denice Stoops), and other crew photo taken at RS.
>
> [image: k6kph_point_reyes1.jpg]
>
> AMATEUR RADIO STATION K6KPH - Transmitters at Bolinas, Receivers and
> operator at Point Reyes, CA
>
> Just like KPH, K6KPH, the amateur radio position ar RS (Point Reyes), similarly
> using tone lines remotely keys transmitters 17.45 miles away at BL
> (Bolinas) on 80, 40, 20, 15 meters at 1.5 kW simultaneously. Modern Henry 5
> kW transmitters are used, throttled down to amateur power limit of 1.5 kW
> output on each frequency, usually three such transmitters are keyed at one
> time, 15 meters (21 MHz) was dropped at night, and 80 meters (3.5 MHz) was
> added at night for a power consumption of 4.5 kW each time the key was
> pressed.
>
> 73
>
> DR
>
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> =30=
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