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Click HERE for the
block diagram of the Sienna.
Click HERE for performance data.

Front panel controls are grouped by function:
RECEIVER: RF Gain, Preamp1, Multi-purpose adjustment knob/switch, Preamp2/Attenuator, Headphone volume and stereo minijack, Speaker volume (AF Gain), Mute, Multi-purpose switch, Dual receive mode
(switches external secondary receiver to left and/or right channel, internal
receiver to right channel), NB Threshold/FM Squelch level. The right side of the display
shows the currently selected 9MHz filter and the 455KHz filter as trapezoids,
which can be moved from side to side by rotating the Adjust knob while the
multi-purpose switch is in positions 2-4. Pushing the "Adjust"
knob switches between the 9MHz and 455kHz IF when the multi-purpose switch is
in positions 1-4. The 8-position multi-purpose switch is used for:
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IF filter selection. Rotating the Adjust knob selects one of the four IF
filters for the selected IF (9MHz or 455kHz)
-
50Hz/step IF shift (The Adjust knob is a rotary encoder with 32 discrete steps per
revolution)
-
100Hz/step IF shift
-
250Hz/step IF shift
-
Memory scan mode. Pushing the Adjust knob starts a scan as defined in a menu.
Pushing it again aborts the scan.
-
Memory access. The Adjust knob rotates forward or backward through the 85 memories
and shows the current memory number and its frequency/mode in the display;
pushing the Adjust knob transfers that memory to VFOA
-
CW memory access. Rotating the Adjust knob displays one of the ten available
12-character CW buffers (previously entered in the menus). Pushing the Adjust knob
starts output of that message. Messages can be chained, and spaces are allowed
at the end of each buffer so that they do not "run together". Hitting
the key aborts the message.
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Birdcage. All superhet receivers have birdies. We've tried to keep them out of
the ham bands, but if one should bother you, flip the switch to this position
and push the Adjust knob. This moves the 1st IF slightly to kill the birdie
without affecting receiver performance. You can also move birdies around by
adjusting the IF shift slightly at the 9MHz second IF without going into "BC"
mode.
TRANSMITTER: Mic jack, Mic gain, RF Speech
processor, RF Proc level, Tuner, RF Power
MENU: Pressing the "Menu" button displays a menu on the
right side of the display. Rotating the small tuning knob button changes pages,
forward or backward.
Rotating the large knob either direction selects and highlights a menu item and
then
rotating the small knob right or left changes its value. Pressing the Page/Mode
button when not in MENU mode enables the small knob to rotate forward or
backward through the modes (CW-USB, CW-LSB, USB, LSB,
AM, FM, Dig-USB, Dig-LSB). Menu items settable from the first menu are Mode, AGC,
NB, PTT/VOX, Receive Antenna and Transmit antenna, all of which remain on the
screen at all times. In the upper right corner of the display is the current
Transmit Meter selection. In the lower right corner is the RF Power output
setting, which is controlled by the RF Power control in the transmitter section.

There's no cryptic gobbledegook in the menus, just easy to
understand text. Here are four examples. On the left, the main display shows
frequency, selected VFOA memory (1-5), mode (CW(USB) in this case, highlighted
in inverse to show that it is the item currently selected), AGC setting, Noise
Blanker setting, PTT/VOX, Receive antenna (T= Transmit, R=Receive antenna),
Transmit antenna (A or B), and Power level in Watts (here set to 2.8W). The
selected menu in the leftmost picture allows changes to the VOX gain, AntiVOX
gain, VOX delay, Semi-Break-In (SBI) delay, and Full-Break-In (FBI) delay. The
other three pictures show only the right half of the display. There are 16 pages
of menu items that can be stepped through, all using straightforward text. The
far right picture shows the menu that is used to enter the crystal filter
bandwidths that have been installed in the four 9MHz IF slots. All these settings
are saved in non-volatile memory when power is off.
TUNING: The large knob changes the main frequency by 1Hz
if displaying 1Hz resolution, or by 10Hz if displaying 10Hz resolution (settable
in a menu option). If "Fast" is on, the display changes by 100Hz or 1KHz
respectively. The small knob changes the frequency by 10Hz if displaying 1Hz
resolution, or 100Hz if displaying 10Hz resolution. If "Fast" is on, the display
changes by 1KHz or 10KHz respectively. If the Fast button is pushed and then no
activity occurs for a period of time (off, 10s, 30s, 60s settable in a menu
option), the dials are locked and "Lock" appears in the display (top row).
Pressing CLEAR when not in RIT/XIT mode selects SPLIT mode. In SPLIT mode, the XIT button becomes A>B, and the
RIT button becomes A<>B.
When not in SPLIT or BAND modes, XIT and RIT function as the names indicate. In
XIT mode, the "T:" section of the display shows the transmit frequency and the
main display shows the receive frequency. The small knob changes the "T:"
section of the display.
In RIT mode, the "R:" section of the display shows the transmit
frequency and the large display shows the receive frequency. The small knob in
this case changes the large (receive) frequency display.
In SPLIT mode, as with XIT, the small knob controls the transmit
frequency while the large knob controls the receive frequency. There are FIVE
VFO's per band, and each VFO remembers the last frequency, filter, preamp,
attenuator, and mode settings.
The external keypad can be used to select Dual, Split, A>B,
A<>B, A>M, M>A, Memory Up, Memory Down, Scratchpad Store, Scratchpad Recall, or
direct band entry mode. In
Memory mode, the bottom right section of the display shows the current memory
frequency and mode.
The main tuning tuning knob is
machined aluminum, with a finger dimple, and is attached to
an extremely smooth (and very expensive!) optically-encoded rotary pulse
generator, giving the rig a nice "feel" as you tune around. The small
knob is hard plastic with a metal insert, also attached to an RPG.
BAND: If "Band" is pushed, rotating the large knob
changes the band and selects the last used frequency on the last used VFO memory
(of five available per band, as shown by the small number above the "z" in
kHz).
Rotating the small knob changes to the last used frequency on the next VFO
memory and increments or decrements the small number. Also, in BAND mode, the
RIT button serves as previous VFO memory and the XIT button serves as next VFO
memory.
Band Memories:
Want to skip certain bands? All 50 VFO memories can be set to any frequency.
Simply change the 5 pre-programmed VFO memories on, say, 60M, to say, 40M, and
you'll get 10 memories on that band! Want to allocate one memory to shortwave
listening? Just use any of the unused VFO memories. For example, set VFO1 on
160M to the AM broadcast band and use the other 4 on 160. You can also go into
Memory mode using the external keypad and start at 2.5, 5, 10, 15 or 20 MHz by
selecting memory number 81, 82, 83, 84 or 85. Once the memory has been placed in
the current VFO (1-5 on whatever band you are on), it overwrites that VFO, so we
suggest you pick one that you don't plan to use much. You can also copy A to B
in split mode or use the scratch pad memory to Store and Recall any displayed
frequency, and then recall it after you are done using the shortwave memories.
In any event you can see that there are numerous ways to use the 147 built-in
memories. Many require use of the external keypad, so we highly recommend that
you obtain the Yaesu FH-1 or FH-2 keypad (or build one yourself - it's just 12
momentary pushbuttons and 12 resistors. The manual shows how to do this.)
KEYER: Sidetone volume, Pitch and Keyer speed are set by
the three black knobs. Between them are screwdriver adjustable Dot spacing and
Dash spacing pots. Nylon hole plugs (not shown) are included in the kit to cover
these openings if desired when not in use. Full or Semi break-in can be selected, with independent
control of the time delays for both modes settable in a menu item. Keyer paddles
and a straight key or other keying device are active simultaneously from
minijacks on the front or back panel. Iambic A, Iambic B and Ultimatic modes are
selectable from the menu.
METERS: The right meter
is an S-meter and the left one is a Transmit meter that shows Fwd and Reflected
Power, SWR, ALC, RF Compression, PA Current, Driver Current and PA Voltage.
Back Panel:

Sienna's back panel includes connectors for an external keypad,
simultaneous usage of a straight key (or external keyer) and paddles (to use
with the internal keyer), 600 ohm line in and line out audio for connection to a
computer sound card when the internal PC is not installed,
455KHz IF out (for use with a spectrum analyzer or panadapter), receive antenna,
mic input (paralleled with the front panel mic input), transverter
output, ALC (0 to -5v), linear control (including solid state TxGND output,
+12V@250mA, GND, Yaesu-compatible band data, and low-true Tx enable), two main transceive antenna ports, ground lug and
Anderson PowerPole DC input connectors. An RS-232C port (bottom left) is present
whether you install the internal PC or not. The PC option adds LAN, PS/2, VGA
and USB ports. If you add the MIO option, the connectors above the PC add 6W
stereo audio outputs, PC Mic in, PC Line in, DVI (for a second video monitor
along with the VGA), S-video and composite video (for video recording or TV
monitors). The Operating System (Linux or Windows XP) is installed on the 4G OR
8G Compact Flash card that can be removed via the slide-out tray ("CF CARD").
The bracket on the bottom right has dual speed fans and a 25A fuse for the 100W
PA or a cable access hole in case you want to insert a battery instead of the
100W power amplifier.
You asked for a new rig not built overseas that had the
features you want at a competitive price. Tall order! But the engineers at the
DZ Co. put their noses to the grindstone and came up with a rig with these
exciting features:
Kit form means it’s not outsourced! It's built wherever
you live, because you build it! And we don't mean that you
snap together preassembled boards (well, OK, four of the 12 boards are
completely built due to the need for a lot of SMT parts just to get
everything to fit!). You build almost everything and wind your own
toroids too. It's a lot of work, but we think you'll have a lot more fun
that way and be considerably more proud of your accomplishment when
you're done.
DESIGN PHILOSOPHY
The Sienna was designed to accomplish two major goals:
1) Offer a nice looking and well-designed kit,
and 2) Offer features not found in any radio for the price. To that end,
we designed a rig that has just enough controls on the front to be
easy for big fingers to use, and we eliminated some buttons that many
people have come to expect, such as a direct frequency entry and numeric
keypad, memories, band switches and AGC controls. These all take up
valuable real estate, forcing buttons to be small with confusing functionality per button. But we provided for
these by supporting use of the Yaesu FH-1, FH-2 or similar external keypad,
which adds 12 buttons for a variety of features.
Buttons.
Some functions, such as AGC, we made automatic based on
mode and provided a menu selection. Bandswitching was accomplished by
using a single "Band" button, allowing the main tuning knob or
the RIT/XIT buttons to change
bands rapidly, up or down, and the RIT/XIT knob to select one of the
five VFO memories on the selected band. When not in "Band" mode, the RIT/XIT knob functions as
a coarse frequency control when RIT/XIT are inactive. And both knobs
operate in a coarser mode yet when the "Fast" button is pushed. The
result is extremely agile control of frequency without using a lot of
buttons. When you add the Yaesu FH-1, FH-2 or equivalent keypad (a simple
12-button, 12 resistor design that you can also make yourself), you also
get access to the 86 general purpose memories and direct band entry for
all bands including 60M.
Other button-intensive functions we left to the embedded PC. We figure that
the PC offers so much flexibility that intensive alphanumeric operations
belong there, not on the front panel. Yes, the PC adds cost, but it also
offers built-in functionality that an external PC can't touch, such as
elimination of a rig interface box and fan noise, not to mention making
it easier to transport! It also adds digital modes using standard
software (as opposed to funky "scrolling displays" and use of the CW key
to send digital modes!), availability of lots of free or inexpensive
software, ability to control the radio remotely without having to
install software (called a "web server"), audio DSP, digital voice
recording and playback and so much more.
All of these features take up a
lot of code space in a typical microprocessor when they can be added in
software much more easily (and upgraded easily as newer software becomes available). It made it possible to put only the functions you use the
most on the front panel. It also cleared space for an analog meter,
something everyone has told us they want. Analog meters are very large
and expensive, which is why you see so many rigs implementing them
digitally. But there's something warm and comforting about a backlit
analog meter. We use a Hoyt 811-T 100uA meter with a custom DZ faceplate.
Receiver
What about the circuitry? Sienna employs a triple
conversion receiver design using a 70.0 or 70.455MHz first IF, which allowed us to
offer the excellent roofing filter
made for the Yaesu FT-1000MP by Inrad (6-pole/4KHz) to really improve dynamic range.
Because the receiver uses upconversion (0-30MHz is converted to a higher
frequency), the DDS oscillators are more complex, which adds cost. BUT, it
also provides full frequency coverage from 500KHz to 30MHz with no dead
spots. Radios with first IF frequencies below 30MHz must, by nature,
have a dead spot around that IF, whether it's 9MHz (Ten-Tec Orion), or
4.915 (Elecraft K2) or 8.215MHz (Elecraft K3). They may say they have a
general coverage receiver, but they exclude areas near the IF. Sienna
does not suffer from that restriction. The compromise is that we can't
offer an extremely narrow roofing filter, because it would cost too much.
However, we've measured >105dB of blocking dynamic range with signal
separation of 1KHz from the desired signal, when the 400Hz IF filters
are selected at the 9MHz and 455KHz IF frequencies.
Sienna allows use of four selectable Inrad crystal or
Collins mechanical filters for the 2nd and 3rd IF, with one included
standard at each IF. A "Hang AGC" is
implemented at the 455KHz IF, allowing fast attack from the IF signal
with selectable decay based on audio level. The AGC signal is buffered
and used as a control signal for the BF-992 dual-gate MOSFET amplifiers
used at the first and second IF, and the MC1350 used at the 3rd IF. A
menu option lets you calibrate the S-meter so that an S9 signal at the
antenna causes an S9 reading whether you have one or two preamps
enabled. A separate AGC gain calibration menu item allows you to set the
AGC gain for AM separately. We've spent a good part of the five-year
development time of this radio working on the AGC and we think you'll like it.
Here's a bottom view of the IF filter access and PC memory access
openings:

Receive bandpass filters are implemented using surface
mount inductors and chip capacitors, and each one is switched in via
Hittite HMC349 GaAsFET SPDT switches. These devices have an IP3 of
+50dBm and 70dB of channel-to-channel isolation, providing plenty of margin for large signals with low distortion.
And exclusively with the DZKit Sienna, you can bypass these filters,
resulting in about 5dB less
loss. The increased bandwidth going into the receiver can cause higher IMD
and more out-of-band mixing products, so it's not something you want to keep enabled, but when you're
trying to extract the last dB of signal from a weak station, it can
help. We call it "PassiveSignalBoost (PSB)TM".
There are 11 bands of these filters covering 500KHz-30MHz for the
receiver, and 10 for the transmitter, covering the 10 ham bands in that
frequency range (and since they snap in, we can make them handle any
transmit frequency range you need). The transmitter does not share the same bandpass filters
as the receiver (a requirement for full duplex operation), so there's
no effect on transmit performance when using PSB. These filters snap
into the transmitter board and the receiver's "RXBPF" board. Here's a
photo:

Two RF preamps can be switched in after the bandpass
filters. These utilize 2N5109 NPN transistors. Each provides about
10dB of low-noise gain. There is also a 10dB attenuator accessible from the Pre2/Atten button on the front panel
-- with Pre1 off, press Pre2/Atten for 10dB of attenuaton.
A noise blanker with a variable threshold and three
selectable pulse widths is located after the 2nd mixer, at 9MHz, prior
to the crystal filters, to catch as much wideband noise as possible.
This NB, like most NB's, is designed to eliminate strong impulse-type
noise, such as that caused by light dimmers, automobile ignitions or
electric fences. It is not intended to conquer the Russian Woodpecker or
other low-level noise.
Secondary Receiver
Many hams like to use secondary receivers as "spotting"
receivers, which is very useful in contests for finding new multipliers
by listening to one receiver in one ear while operating on another
frequency and listening in the other ear. A secondary receiver is also
useful for comparing antenna performance - use the main antenna on one
receiver while listening to another antenna on the other receiver.
Unfortunately, it can be very difficult to optimize both receivers for
best dynamic range, IMD and sensitivity when both are operating in the
same enclosure and having simultaneously operating local oscillators. The secondary receiver
also usually suffers from a lack of independent front panel controls due
to space and cost concerns. Even some of the very expensive rigs have
eliminated an internal secondary receiver, and other manufacturers are
struggling with their designs too. We actually had a secondary receiver
in the Sienna during its early design phases, but we removed it for just
these reasons. It was too big a compromise. Instead, we chose to support
the addition of an inexpensive external secondary receiver that can be controlled
by Sienna's internal PC, thus giving you complete control over that
receiver with an independent set of controls, and eliminating any
performance issues due to cramming too much inside one rig. You can use
either an additional receive-only Sienna (S-100 or SF-100 with or
without an internal PC) or an ICOM
PCR-1500 or 2500. The latter
is a very good receiver that Sienna can control directly from the USB
port on the back panel when the PC option is installed. You can of
course also control it from a separate PC. The PCR-1500 and 2500 also
can be used as spectrum displays (panadapters). The secondary receiver's
speaker output can be fed into the line-in jack on Sienna's back panel,
and then fed to the left speaker when the front panel "dual" button is
pushed, with Sienna's own internal receiver going to the right speaker.
We think this is a much better way to handle secondary receive
capabilities. If you don't use this type of functionality, you don't
have to pay for the needed infrastructure inside the rig and you get a
much better receiver that's easier to control too.
DSP, SDR & PC
All circuitry is tried and true analog design. We
purposely chose not to use IF DSP (digital signal processing) or SDR
(software-defined radio) techniques which are still an
evolving art form. DSP means that intermediate frequency signals
(usually at a low IF such as 15KHz) can be processed
digitally in special high speed chips that implement filter functions in
software. SDR means that many of the radio's mixers, oscillators,
amplifiers and filters are implemented in software, using math routines.
Typically, a signal is sampled at a very high rate
with an A/D converter, and the resulting samples are then run through
algorithms to, say, create the sum and difference products after
multiplication by a cosine function, or to implement a bandpass filter.
The demodulated signal is then converted back into a digital stream that
is fed to a digital to analog converter (DAC) which drives the speakers. The
transmitter can also be implemented in software, at least up to the
power output stages. As a sampled system, care must be taken to avoid
aliasing effects.
One side-effect of SDR is that
since so much functionality is done in firmware (software that is stored
in read-only-memory), it can easily fall into the software trap of being
"never done", forcing you to download new code periodically
until the designer "gets it right". Modern transceivers, including Sienna, allow the user to
download new firmware into the microprocessor. But Sienna's firmware is
only used to control the analog hardware, not to implement the bulk of
the radio. As a result, when it is shipped, all functions are working
and tested. You will never have to download new firmware to get features
that you paid for months earlier. We believe that firmware updates
should be used to fix bugs or add new features not previously
advertised, not to complete the radio's advertised features. We will not
take your money and then ship you an unfinished product.
What difference is there between a DSP operating
inside a custom processor at 15KHz (barely above the audio range) and
one operating inside a PC at 2KHz? Not much really. There's
one less mixer in the way with IF DSP. But baseband audio is as good a place as any
to do DSP, and the PC can execute much, much faster than the
microprocessors used in custom DSP implementations. Yes, sound cards
currently have only 16 bits of dynamic range compared to the 20-24 bits
typically used in custom DSP implementations, but you'll be impressed
with how good a job that actually does. And as High-Def sound cards
become commonplace (already starting to happen), with up to 32 bit
processing, this objection will simply go away. We didn't want to waste
our time, or yours, developing yet another set of DSP algorithms in
custom chips when
they're commonly available on the PC. And our PC is completely
upgradeable and replaceable; when a new one becomes available, we'll let
you know. Unless
the memory and CF change appreciably, you can most likely transfer these
from your existing model to the new one. What about the fact that audio DSP operates on the signal after the AGC? You can get around this
problem by turning AGC off in Sienna's hardware and turning on the AGC function in the audio DSP program.
If you're a tinkerer, you will love the ability to play
with the embedded PC. The PC compartment has room for you to add snap-on
boards. Here's a picture of the embedded PC. Note the expansion bus on
the left side. These connectors provide access to several common
interfaces: PCI 2.0, LPC, USB 2.0, SMBus, AC97 and DVO. The MIO-6254
board shown below accesses the PCI, DVO and AC97 buses to provide
digital video and high power audio to external speakers. Other MIO
boards are available from Advantech, or you can design your own.
Naturally, if you invent something really cool to add to the Sienna,
we'd love to hear about it.

The MIO-6254 board option provides a DVI output to allow you
to drive a second display, and it also adds 6W of stereo audio. You can
easily route the receiver audio to the PC and the MIO board, connect
some speakers to the speaker jack on the back panel and have some
serious audio coming out of the rig, harkening back to the days when all
receivers were connected to big external speakers for that rich AM
sound. The MIO board adds only $99 to the cost. If you're ordering your
Sienna with the internal PC, that extra $99 is a terrific investment.
Here's a picture:

Transmitter/DDS
The transmitter uses a completely separate set of DDS
oscillators and bandpass filters, allowing full duplex operation when
the receive antenna is used. Since the oscillators are separate, we use
one of them to provide a known frequency/amplitude RF signal during
receiver calibration. All DDS oscillators are fed by a custom
30MHz +/-1PPM temperature compensated crystal oscillator (TCXO). This
oscillator has a ten-turn pot on it to allow its frequency to be tweaked
very precisely. In this photo, you can see one of the six Analog Devices
DDS chips used in the Sienna. The AD9852 DDS used in the VFO and the 2nd
IF have built-in PLL's on the reference clock. Internal clock speed is
300MHz, which along with the 48 bit programming data, allows very fine
frequency resolution.

Audio can be routed from the mic to the PC for
processing. PC audio can then be fed into the transmitter, so you can
have processed mic or soundcard output for digital modes. As digital
audio becomes all the rage, Sienna will easily handle the task, since
the digital audio can be generated in the internal PC and fed to the
transmitter. The selected audio can also be processed using an analog RF
speech processor that operates at the transmitter's 10.7MHz IF
frequency.
6M
Many rigs are offering 6M coverage these days. We chose
not to. Why? Most of you have said it would be "nice", but
not required in a rig that's mainly going to be used for HF. Sorry if 6M
is your favorite band, but any 6M coverage we added would be a
compromise and we do not want to offer compromises (see above comments
on the secondary receiver). When we offer a 6M
rig, it will be a really good one. Besides, you can add a 6M transverter
to the Sienna quite easily. Many have told us that they don't want to
pay for features they will never use. 6M is one of those features that
can easily add cost to the radio, so we chose to go the transverter
route here allowing you to add it only if you really want it.
Made in U.S.A.
With very few exceptions, Sienna is a "Made in the
U.S.A." product. We think you'll appreciate our decision to use U.S.
manufacturing, despite occasionally higher costs. Our chassis is made in
Golden, CO by a top-notch family-run business that makes things for the
likes of Hewlett-Packard (now Agilent Technologies) and other well-known
companies. Our PC boards are made at various U.S. shops. Cable
assemblies are made in Cheyenne, WY and Canada. Electronic parts of course come
from a variety of countries, but we use American distributors wherever
possible. We also favor woman-owned small businesses such as Kreger Components, a
source of many of our toroids. The front panel Lexan part is made in
Illinois by BW Industries. We believe in America and American
manufacturing. We relented on one thing -- the embedded PC is made in Taiwan, but we buy them through American
reps.
Service
One
of the hallmarks of kitbuilding has always been the ability to work on
your radio yourself to avoid the hassle and expense of returning the
product for service or alignment. One is shown here -- flipping this
switch on the "RxBPF" board and connecting the transmitter's local
oscillator signal at 10.7MHz to the main or receive antenna jack feeds
an S9 signal into the receiver, allowing you to cal the S-meter. By
connecting the output to any shortwave receiver, you can also test the
preamps, attenuator and antenna inputs before stacking the receiver
board on top.
Sienna
also has excellent built-in servicing capabilities. The picture below
shows two such features. When the unit is bolted together, the tuner and
dc power distribution board ("DCD/Tuner") sits above the 100W power
amplifier. To get at the amplifier, the tray holding the DCD/Tuner can
be rotated up and locked into a vertical position. And the transmitter
can be moved up out of its center compartment for easy access to its
components.
True Kits
The DZKit founders are all dyed-in-the-wool hobbyists.
We built a lot of Heathkits in the "good ol' days" and we want you to
have that kind of fun too. Even though SMT continues to make
through-hole boards more and more old-fashioned, the parts are still
available. In fact, we've had some SMT parts go obsolete faster than
older through-hole parts! We've tried very hard to use the right mix of
SMT where it's needed most, while offering you lots of soldering and
assembly too. We've been asked, "who did you make this for?" The answer is, we made it for ourselves,
and we think we're a lot like you. We're
not hardcore contesters or DXers, although we dabble at that stuff. No,
we like to experiment, ragchew, operate radios and have fun. We wanted
something that looked nice, had some cool features not available
elsewhere and that we could offer to you in kit form. Look at the photo
below of a completely assembled Sienna and think about this: You get
to build almost the whole thing. Only a few critical subassemblies
are preassembled and tested. Can you build something this complex? You
bet you can!

Customer Service
We're committed to
great customer service in the finest tradition of Heathkit in its glory
days. We're small enough to be able to listen to our customers and react
quickly to wants, whether they are new features on existing products, or
all new products. Let us know what you want. We'll do our best to
make it happen.
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