Category Archives: New Products

A new Sangean ATS-909X model in the works? Two 909Xs lead Dan to a potential discovery…

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Many thanks to SWLing Post contributor, DanH, who shares the following guest post:

How two Sangean ATS-909Xs led me to news of an ATS-909X2

by DanH

I decided to buy a second Sangean ATS-909X this summer. I operate shortwave portables on batteries and wanted the ability to switch radios if one ran low on power during a listening session. I received the new radio and used it for about a week before noticing slight differences between the two 909Xs. Then I noticed big differences with the power supplies and began to ask questions. The answers led me to the new Sangean ATS-909X2 mostly by accident. Rumors have circulated for years that the 909X would be the last shortwave portable made by Sangean. It now appears that the rumors are not accurate. Thanks to an anonymous source the true story begins to appear.

I purchased my first 909X in 2015. It was built in 2014 and has been used almost every day since it arrived. The firmware is v. 1.29, the color is black. My 909X is featured in SWL and DX videos I shoot for the YouTube channel Willow Slough DX.

The new 909X was purchased early in August. This radio was made late in 2019 and has firmware v. P01. Minor changes include the color of the magnetic metal piece on the radio’s kickstand and tightness of the volume control knob which has been loosened a little.  Another small change affects the beeper that sounds with certain keyboard commands. The beeper is now relatively soft-spoken.

The newer 909X features major changes made to the power supply including the AC/AC wall wart adapter. I use the 2014 909X with battery power for shortwave listening because AC operation introduces noise at different frequencies across the shortwave bands. Incidentally, internally generated noise like this happens with all of my shortwave portables when operated from AC power. The 909X is no exception. Portable SW radios made during the last 30 years just seem to do this regardless of make or brand.

The 2020 909X generates significantly less interference than my five-year old 909X. These radios have different model wall warts. The older radio is a 120 VAC / 60 Hz unit as opposed to 100 – 240 VAC / 50 – 60 Hz. The new adapter sports a ferrite core RF choke on the power line which is now shielded wire instead of small gauge zip line. So far, subtle traces of signal mixing from the new adapter are heard only when using my Sennheiser HD 280 Pro headphones. The power connection for the newer 909X is now center pin positive instead of center pin negative. Not surprisingly, the newer adapter does not work with the 2015 909X.

The search for a technical explanation for the mysterious (to me) and incompatible AC adapters required talking to several contacts. I found someone who earnestly wanted to discuss the 909X including the new AC adapter. That person floored me by saying “It’s the same adapter that will be on the 909X2.” That was last week…

Introducing the Sangean ATS-909X2

My unnamed source was happy to answer questions about the 909X2 and sent me leaked documents. The first is a sheet issued last spring listing some changes for the new radio. The second is a treasure trove: a 40+ page draft copy of the English language operating instructions for the 909X2 including line drawings. I hit gold and wasn’t even looking for it. This draft was issued earlier in the summer. I did some fascinating reading that evening.

At this point I want to caution readers that the 909X2 is very much a radio in development. The prototypes have yet to be distributed for evaluation although that is expected to happen soon. None of the features or component choices are set in stone at this point. Indeed, the very name of this radio may not be a done deal. I have heard the new model called either ATS-909X2 or ATS-909X Mk. II. Still, the draft copy of a manual that lists and explains operation of all of the many new features confirms that development is well underway. Production is rumored to begin in 2021. That date makes perfect sense as the 909X will be ten years old next year and Sangean likes to celebrate company anniversaries.

What will Sangean’s new multi-band shortwave flagship look like? The 909X2 shown in the draft booklet retains the size and form factor of the 909X to an amazing degree. The number and placement of buttons, switches, knobs and jacks remain the same. The functions of some controls may change and the location of some buttons on the radio may be switched around. A display menu will be added to operate many of the new features. Without taking a close look at how the outboard controls are labeled the 909X and 909X2 will look like siblings. A larger and much busier LCD for the 909X2 will be the most visible difference.

Here are some of the main features of the 909X2. Again, there may be changes before the final version is decided upon.

  • VHF AIR band in addition to LW / MW / SW / FM
  • Automatic Tuning System (ATS) for FM / LW / MW / SW bands
  • Total of 1674 radio station presets
  • Three memory banks for preset stations: store presets for different users and/or different areas or categories
  • Local/World Time with two customizable city names
  • FM RDS with PS, PTY, RT and CT features
  • Potentiometer-type RF Gain Control retained
  • Six-digit frequency display
  • SSB (Single Side Band): USB / LSB, 10/20 Hz tuning steps selectable
  • Three alarm timers with snooze
  • Larger display screen with more functions and improved backlight controls
  • New NiMH charge controller charges each 4xAA cell individually
  • Station presets/memory lock
  • Auto or manual bandwidth control
  • Selectable and band-specific bandwidth filtering for LW-MW / SW / FM / AIR
  • Tuning dial detents removed
  • 12-segment bar-graph S-meter plus signal strength and signal-to-noise displayed in dB

The new ATS-909X2 benefits from innovations that Sangean developed after the 909X was introduced in 2011. I’m looking forward to firing up this new radio as soon as I can get my hands on one.

DanH

Wow! Thank you for sharing your discovery, Dan! I, for one, welcome the new 909X version 2! Sangean is a solid radio manufacturer, so I would expect the new radio to perform at least as well as its predecessors. We’ll post updates as they become available.

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Taking the Icom IC-705 to the field for a battery endurance test

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I recently posted results from my listening endurance test with the new Icom IC-705 QRP general coverage transceiver. I’ve been on a mission to see just how long the supplied BP-272 Li-ion battery pack can hold up with a full charge in real-world conditions.

Thursday, I took the IC-705 to the field and activated a park using only the charged battery pack. After nearly 2 hours of constant operation (calling CQ and working stations) the BP-272 still had nearly 40% of its capacity.

That’s better than I expected, especially knowing the BP-272 is the slim, lower capacity battery pack.

I have to admit: that was a particularly fun activation because propagation finally gave me a break and I worked stations from the Azores to Oregon on a mere five watts of power.

Click here to read my full field report at QRPer.com.

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Icom IC-705: Let’s see how long it’ll receive with supplied BP-272 Li-ion battery pack

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The shortwave radio listener part of me might actually be more excited about the Icom IC-705 than the ham radio operator part of me.

The IC-705 has a number of features for ham radio operators who also enjoy broadcast listening. For example, it sports:

  • a general coverage receiver,
  • good performance specs,
  • notch filtering (both manual and automatic),
  • Icom twin passband filtering,
  • an AM bandwidth filter maximum width of 10 kHz
  • built-in digital recording of both received and transmitted audio,
  • audio treble/bass adjustments,
  • and battery power from Icom HT Li-ion battery packs

The Icom IC-705 ships with an BP-272 Li-ion battery pack and since the announcement last year about the IC-705, I’ve been curious how long the BP-272 could power the IC-705 in receive only.

A real-world RX test

Yesterday morning, I resisted the urge to hunt POTA and SOTA stations with the IC-705 and, instead, spent the day simply listening.

I started the experiment with a fully-charged BP-272 7.4V 1880 mAh battery pack (the pack supplied with the IC-705). At 9:00 in the morning, I unplugged the IC-705 from my 12V power supply and ran the receiver all day on just the battery pack.

I made some practical changes to maximize play time: I turned on the screen saver, turned off GPS, set the LCD backlight auto adjustment to 2%, and set the screen timer to turn off after 1 minute.

I ran the volume somewhere between low and moderate and only raised it to what I would consider very loud a few times to copy weak signals. I listened to AM, SSB, and FM signals across the spectrum, but primarily cruised the HF bands.

Of course, I never transmitted with the IC-705 during this period (saving that for the next test).

I probably could have done more to decrease current drain, but frankly I wanted this to be based on how I’d likely configure the rig for use on an SWL DXpedition.

Results

I unplugged the IC-705 from the 12V power supply at 9:00 local and the radio auto shut down at 16:39 local: a total of 7 hours, 39 minutes.

Honestly? I’m fairly impressed with this number mainly because it’s based on the smaller battery pack. The supplied BP-272 pack has 1880 mAh of capacity. The optional BP-307, on the other hand, has 3150 mAh of capacity.

If I decide to keep the IC-705, I will be very tempted to purchase a ($130 US) BP-307 pack as well.

Next test: How long can the IC-705 last on battery during a POTA activation?

As early as today, I will see just how long the BP-272 pack can operate the IC-705 during a POTA activation. This will be a true challenge on the smaller battery pack since POTA activations require a lot of transmitting (constant CQ calls and exchanges). There’ll be no lack of calling CQ on a day like today when propagation is so incredible poor.

Follow the tag IC-705 for more updates.

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The Icom IC-705 has landed at SWLing Post HQ

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Yesterday, I received my new Icom IC-705 QRP transceiver (along with two FT-60R HTs) from Universal Radio.

I got home pretty late yesterday afternoon so haven’t had a lot of time to put the IC-705 on the air.

I did tune to the Voice of Greece and REE last night and, must say, was pretty impressed with AM mode.

This morning, I also worked two CW stations and one in SSB on the 40 meter band from my home.

Very early days, but I get the impression the IC-705 receiver is top shelf. At least, I like what I’m hearing.

So far, the only negative I’ve mentally noted is the difficulty in propping up this radio for use on a desk. It’s a little awkward. No doubt, a number of 3rd party solutions will soon emerge. I’m personally hoping someone will design a 3D printed stand/cradle.

Indeed, a 3D-printed front panel cover would also be nice because I do worry about the touch screen display being damaged in my backpack. Being a bit of a picky backpack geek, I did not opt for the custom Icom LC-192 backpack (completely subjective: just not my style and not waterproof). The IC-705 can be secured in the LC-192 so that the front panel is well-protected.

The IC-705 backlit display is very easy on the eyes–I hope it’s as easy to read in sunlight outdoors. We’ll soon find out because I’m certainly taking it to the field!

IC-705 Unboxing Photos

By request, here are some “unboxing” photos (click to enlarge):

Follow the tag IC-705 for more updates.

Your support made the purchase of this IC-705 possible.

Thank you!

Please consider supporting us via Patreon or our Coffee Fund!

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Tecsun PL-330: Initial impressions, overview of functions, and operation

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Many thanks to SWLing Post contributor, Jaap de Goede, for the following guest posts:

Operating the TECSUN PL-330 without an English manual

by Jaap de Goede

Introduction

Inspired by my father, I like listening to radio transmissions for the last 60 years. That includes listening to shortwave transmissions. In my collection there are a number of radios including computer based SDR-receivers. The TECSUN PL-330 is a shortwave portable radio with SSB and digital readout.

I’d like to share my operating experience of the PL-330 and throughout I will now and then compare this radio to similar radios in my collection:  Eton Satellit, XHDATA D-808 and CountyComm GP5-SSB (AKA Tecsun PL-365).

To be clear the PL-330 used here is a Chinese domestic version, probably manufactured in July 2020. An English manual was not available at the time of writing. In the meantime, the English manual of the Tecsun PL-990 helped to figure out a number of the features of the PL-330. Newer manufacturing batches might contain other firmware and that could change the way of operating.

Size and sound

With a volume of about 18 cubic inches the PL-330 is less than 20 cubic inches. It easily fits the pocket of my jeans. 20 cubic inches (unofficially) classifies it as an Ultralight DX radio. The smallest radio of the four is the GP5-SSB with 14 cubic inches. The Satellit is the largest of the four and the size of these radios can be determined by the eye but by the ear as well.

The PL-330 has digital VOLUME control and the volume level is indicated on the display. In contradiction, the three other radios have analog volume control. All radios have a 3.5 mm socket for a stereo headset. A nice feature of the PL-330 is that the FM stereo decoder only works with a plugged-in headset. Else FM remains in mono.  I think that’s a very clever feature because why would the stereo decoder degrade the mono-sound through the speaker in case of poor FM stereo reception?

Personal audio quality ranking from best to worst:

  1. Satellit
  2. PL-330 and D-808
  3. GP5-SSB

Power and Batteries

The PL-330 is supplied with a BL-5C battery of 1000 mAh. The battery can be charged in the radio through though a micro USB port. The display permanently shows battery status, regardless whether the radio is on or off. USB makes it very easy to charge from any external USB charger or an external USB battery. Here a quick comparison of the powering of the four radios:

Radio Battery Charging Port
Tecsun-PL-330 1 x BL-5C Micro USB
CountyComm GP5 3 x AA NiMH Mini USB
XHDATA D-808 1 x 18650 Micro USB
Eton Satellit 4 x AA NiMH Bus

 

I don’t have runtime figures. I just charge when indicated on the radio’s display and carry a spare USB battery to charge the radio in case.

Antenna and Backlit

All four radios have an extensible whip antenna (what else would you expect). Also, all four radios have a 3.5 mm socket for an external antenna. The only radio with an antenna attenuator switch is the Satellit.

All four radios have backlit. But a feature that none of the other radios has is the ability with the PL-330 to toggle the backlit between “always on” or “automatic off”. Just hold and press the 5 button to toggle between the two modes. For comparison, the Satellit has the nicest illuminated display of all four, while the D-808 is way too bright.

Supported Radio Bands

The PL-330 supports the following radio bands:

  • Long Wave (153-513 kHz)
  • Medium Wave (520-1710 kHz or 522-1620 kHz)
  • Short Wave (1711-29999 kHz)
  • FM broadcast (64-108 MHz)

Radio Band and Demodulation Selection

To enable or disable the LW-band you must long press the 2 button when the radio is powered off. When the radio is powered on and LW has been enabled you can select between LW and MW by short press of the MW/LW button.

The American or Rest of World MW-band plan can be toggled by long press the 3 button when powered off. When the radio is powered on you can select between MW by short press of the MW/LW button.

To select the regional FM-band plan you should long press the 0 button when the radio is powered off. When the radio is powered on the FM-band can be selected by short press FM/ST. button.

When the radio is powered on the SW-band can be selected by short press < or > button.

In LW, MW and SW bands de-modulation can be AM, SSB and AM synchronous (SYNC). A short press of the SSB button toggles between AM and SSB. A long press of the SSB button toggles between AM/SSB and AM synchronous mode.

A nice feature within the SW band is that you can quickly skip to pre-determined broadcast or HAM bands. In AM and SSB mode you can skip to the desired band by pressing < or > button. The following bands can be selected and indicated in the display:

  • AM (broadcast) bands: 120m, 90m,75m, 60m, 49m, 41m,31m25m, 22m, 19m, 16m, 13m, 11m
  • SSB (HAM) bands: 160m LSB, 80m LSB, 60m, LSB, 40m LSB, 30m USB, 24m USB, 20m USB, 17m USB, 15m USB, 12m USB, 10m USB

Manual Tuning and Step Sizes

There is one (digital) TUNING dial for all tuning operation in any radio band. It only tunes up and down the bands and has no other function. (That makes tuning with the PL-330 so easy compared to the other three radios with multifunction dials.) Depending on the selected band and de-modulation the tuning steps can be altered by the STEP button.

In the LW and MW bands for AM demodulation the step size can be toggled between 1 kHz and 10/9 kHz by short press of the STEP button.

In SW for AM demodulation the step size can be toggled between 1 kHz and 5 kHz by short press of the STEP button.

In the SW band for SSB and synchronous mode the step size can be toggled between 10 Hz, 1 kHz and 5 kHz by short press of the STEP button. My other three portable radios, but only plus or minus 1 kHz of the actual frequency in steps of 10Hz. The PL-330 has continuous fine tuning in SSB; you can tune the entire SW band up and down in steps of 10 Hz. However, I noticed that the step size can change from 10 Hz to 50 Hz in case you turn the TUNING dial fast.

In the FM band the step size can be toggled between 100 kHz and 10 kHz by short press of the STEP button.

Bandwidth Settings

For AM and SSB you can change the bandwidth by pressing the AM BW button, turn the VOLUME dial to the desired bandwidth and press the AM BW button again.

  • LW/MW band, AM bandwidth selection: 2.5 kHz, 3.5 kHz, 5.0, 9.0 kHz kHz
  • SW band, AM bandwidth selection: 2.5 kHz, 3.5 kHz, 5.0 kHz
  • SSB bandwidth selection: 0.5 kHz, 1.2 kHz, 2.2 kHz, 3.0 kHz, 4.0 kHz

Easy Tuning Mode or ETM and Memories

I decided to purchase the PL-330 because of my good and bad experience with the GP5-SSB (PL-365). The PL-365 is super portable and I think ETM is great for occasional shortwave listening. However, without direct frequency entry the GP5-SSAB is a nightmare to operate just now and then. Now the PL-330 has an enhanced version of ETM:  ETM+. No other radio has such a feature and I think ETM+ is fantastic.

ETM + provides 24 ETM banks that are chosen automatically based on the hour. Every hour you can press and hold the ETM button to initiate a (new or renewed) shortwave scan. It will display “E” plus the hour in 24 hours format like E00 to E23 depending on the time. When you quick press the ETM button it recalls the memory bank according to the time. As an example, when you quick press the ETM button at 15:24h it will recall bank E15. Then you can select the memory locations stored in the bank by turning the TUNING dial.

To toggle between ETM and Tuning mode press the ETM button.

In addition to ETM memories, the PL-330 has a lot of memories but lacks alpha tags. I really have difficulties remembering what I put in those memories. I hardly use them. The only one of the four that has alpha tags is the Eton Satellit, that makes things a lot easier.

Memories can be automatically populated in a bank separate from the ETM banks by using the Automatic Tuning and Storage (ATS) function. All four radios have ATS and I think it’s only convenient for FM. It works like:

  1. Press FM/ST. to select FM Band
  2. Press and hold FM/ST. to start ATS
  3. Use the TUNING dial to select from the stored FM stations

To toggle between Memory and Frequency tuning mode simply press the VM/VF button.

Bugs or Features

With the DISPLAY button you can change the upper right part of the display between:

  • Signal strength
  • Clock
  • Preset (only in VM Mode)
  • Alarm time

The display always returns to signal strength after a few seconds. Except if time is chosen with a long press of the DISPLAY button. Nevertheless, the display returns to signal strength after applying any operation, including volume change. I’m not sure if this is a feature or a bug.

When using a headphone and changing volume, sometimes the sound is cut off. By changing the volume again, it comes back. Seems like a bug, not a feature.

I tried AM synchronous mode. It works like on the Satellit: poor. I would recommend to make this mode hidden or make it work well.

Universal Serial Bus

When connecting the radio with an USB cable to a PC, its operating system does not show any connection information. If the radio would have USB logic apart from charging, connection information would have showed up. I assume there is no way to update firmware via USB.

Hidden Features

Without an English manual, and maybe even with a Chinese manual I couldn’t understand all functions.

When the radio is powered off:

  • Press and hold VF/VM shows all items of the display.
  • Press and hold 8 toggles display clock in “HH:MM” and “HH:MM: SS”
  • Press and hold 3 in MW/LW band toggles between internal ferrite and external whip antenna
  • Press and hold Enter shows “dEL ALL”, probably delete all (except what is all)?
  • Press and hold M shows numbers, no idea.
  • Press and hold 0 shows “PO []”, no idea.

There seems to be a combination to show the firmware version.

Missing Features

RDS display would be welcome. Even though the PL-330 shares the radio chip with the D-808 and the Satellit, the PL-330 does not display FM Radio Data System (RDS) on its display. Backlit buttons would be a welcome for operation in the dark. (Although you’ll quickly get used to the button layout.)

Features I didn’t miss

None of the four radios has DAB+ or HD radio. For DAB+ reception I use a Sony XDR-S41D and I can’t receive HD radio in Europe. DAB+ and HD radio could make the radio way more expensive and I prefer good SW performance anyway.

The possibility to upgrade firmware would be convenient. But I understand constraints of costs and the liability of bricking the radio.

The Satellit and D-808 support the Air band (108-135 MHz). That is ok for occasional listening to one single channel, but forget about channel scanning. I have my Bearcat UBC XLT125 VHF/UHF scanner for that purpose.

Conclusion

Like I started, I’m an occasional shortwave listener. I couldn’t really tell the difference in radio performance between the four radios. Of course, the best radio is the one you have with you. And because of its size, easy operation with a single tuning dial and features like ETM+, the PL-330 is probably the best portable shortwave receiver at the moment (for me ?). Thanks to Tecsun!

Jaap de Goede

October 2020

Many thanks, Jaap, for taking the time and care to put together this excellent overview of the Tecsun PL-330! This will serve nicely as an operation manual. Your father would be proud of you! 🙂

Readers: Please note that you can also download Jaap’s PL-330 guide as a printable PDF document by clicking here. The PDF has even better formatting as Jaap has used operation manual styled fonts to indicate button labels and functions. 

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My Icom IC-705 is inbound…sharing my predictions

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I was contacted by Universal Radio yesterday afternoon with  a tracking number for my Icom IC-705. It will arrive by Monday evening.

A number of SWLing Post readers in the US and UK have notified me that their IC-705s have also been shipped and a few have even been received already.

I’m really looking forward to checking out the IC-705. The preliminary reviews (overviews, really) have been pretty positive. I found the IC-7300 to be a fabulous rig and the IC-705 smacks of the ‘7300. The ‘705 even includes more features than the ‘7300 (multi-mode VHF/UHF, D-Star, Wifi, and built-in GPS to name a few) although lacks an internal tuner.

I’ve received more questions about IC-705 and the TX-500 than I have any other radios this year. Both, in many senses, are ground-breaking in their features, (and in the case of the TX-500) form-factor and build.

If I’m being honest, I was more excited about the TX-500 because it simply suits my field operating style better (my full TX-500 review will be in the Oct 2020 issue of TSM).

Since I haven’t received the IC-705 yet and haven’t read any truly detailed reviews or comparisons, I’m going to do something I’ve never done before and share a few of my personal predictions.

Predictions

I’m human and can’t help but form a few expectations/opinions prior to a thorough rig evaluation. That and, having owned a number of their products, I’m very familiar with Icom as a company. I’ll probably regret this later, but here goes…

I suspect:

  • I’ll like the touch screen display more than I think I will. I’m not a big fan of color backlit displays in field radios. I prefer simple high-contrast LCD displays that are readable in full sunlight. I’m hoping Icom will have optimized the IC-705 display for reading outdoors.
  • I’ll be able to operate the radio without referring to the manual because I’m so familiar with the IC-7300.
  • I’ll really miss having a built-in ATU on a rig in this price class. Feels like a missed opportunity, however seeing the inside of the IC-705, there really isn’t a lot of spare room. With that said, I plan to review the mAT-705 ATU compact external tuner and hope it’ll pair nicely.
  • I’ll be disappointed with the amount of run time I’ll get from a fully-charged BP-272 battery pack. I really hope I’m wrong about this one. Icom did some serious engineering on the IC-705 to lower the amount of current needed in receive. We’ll see if that paid off and if it can compare, for example, to the run time I get from the rechargeable battery pack in my Elecraft KX2.
  • I’ll be very pleased with some of its features like CW and Voice memory keying for POTA and SOTA activations.
  • I’ll still find D-Star complicated to use even though, hypothetically, the IC-705 can connect directly to D-Star via WiFi. I hope I stand corrected on this point.
  • I’ll struggle to find the perfect padded pack to house the radio. I’m a bit of a pack geek/snob and don’t really like the Icom LC-192 backpack. I’ve no intention to order it even though it’s designed to work with the radio. So while this doesn’t apply to 99% of my readers, it’s a big deal in my world. 🙂 I’m sure I’ll sort out a solution.
  • I’ll feel some buyer’s remorse when, in 6 months, the IC-705 price drops a couple hundred dollars. That’s okay. I see it as taking a bullet for my readers (and, let’s face it, I love new radio gear). Plus, I’m banking on the notion that the IC-705 will make for a capable QRP EME transceiver.
  • I’ll love the built-in digital recorder for making off-air shortwave broadcast recordings (although I do fear I’ll find the AM audio filter too narrow).

Again, these are completely off-the-top-of-my-head predictions and based on no hands-on time with th IC-705. Next week, I’ll start to see how many of these predictions are correct and how many I totally missed.

I can tell you this: I’m not sure I want to see the invoice from Universal Radio. It includes the IC-705, two Yaesu FT-60R HTs, and some Anderson PowerPole connectors! Although I’ve had the IC-705 on order for ages, I added the HTs and connectors at the last moment because they don’t seem very pricey when you’re already at the $1300 US mark, right–? (Shhhh! The FT-60Rs are a gift for my daughters who take their Technician test this weekend!)

How about you? Do you have an IC-705 on order? What are your predictions and thoughts? Please comment!

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Sangean SR-36: Paul discovers the basic AM/FM DSP receiver

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Many thanks to SWLing Post contributor, Paul, who writes:

This seems to be a new basic radio from Sangean:

Click here to view on Amazon (affiliate link supports the SWLing Post)

I’m not sure a radio could get more basic than this one: AA batteries, one volume control, one tuning control, built-in speaker, and a headphones jack.

Thanks for sharing, Paul!

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