Monthly Archives: February 2018

Radio Deal: TIVDIO V-115 $18.99 US shipped

I just noticed that the price for the TIVDIO V-115 has been lowered to $18.99 US shipped on Amazon.com.

Click here to read our previous reviews of this radio. This is the lowest price for the V-115 I’ve seen on Amazon.  As I mention with any Amazon sale–a now standard disclaimer–the price could change at any moment.

Click here to view on Amazon.com (affiliate link).

Spread the radio love

Yaesu FT-818 details emerge (and beware of the fake “leaked” photo!)

I’ve been following news about the Yaesu FT-818: the next iteration of the venerable Yaesu FT-817ND QRP general coverage transceiver.

The FT-817 series has been on the market for nearly two decades. I remember purchasing one of the first production models when I lived in the UK in 2001.

It was a revolutionary radio at the time.

It was exceptionally suited for portable use, sporting an internal battery pack, on-board keyer, had all mode/all band capability and antenna ports on the front faceplate and rear. It was the most compact full-featured transceiver on the market. All this for about $670 US.

In 2004, Yaesu made upgrades and launched the model FT-817(N)D. In no small way, I’m sure this little radio has been a cash cow for Yaesu. It’s had an exceptionally long market run and has been the only QRP transceiver in the Yaesu product line for decades.

Recently, Yaesu released specifications and retail pricing of the FT-818.  But before we go any further…

Don’t believe the fake prototype photos

It seems like every time a new amateur radio transceiver is announced, someone quickly assembles a “leaked” prototype image and publishes it on the web. Here’s the one someone pieced together for the Yaesu FT-818:

Click to enlarge (and see obvious Photoshop chop job)

To be crystal clear: this is not a leaked photo of the Yaesu FT-818. It’s (frankly) a terrible Photoshop job–someone playing with cutting, pasting and resizing bits from other transceivers.

I fully suspect the new FT-818 will not be a dramatic departure from the FT-817 in terms of styling and design. Perhaps it’ll be nearly identical. In fact, radio retailers have been posting the following image on their FT-818 ordering page:

Image taken from GigaParts.

This may simply be a placeholder, or it may be that all of the upgrades are internal and the ‘818 form factor will be identical to the ‘817.

Enough said…

What we do know about the Yaesu FT-818

Rumors of an FT-818 have been floating around the ham radio community for years. No surprise given the extraordinarily long run of the ‘817 series!

We do have concrete details now since ham radio retailers have been given features, specifications and availability dates. It appears the upgrades are iterative–this is not a dramatically re-designed rig.

Here’s what Yaesu has released (I took this from GigaParts, but retailers are posting variations of the same announcement):

Yaesu FT-818 6W HF/VHF/UHF All-Mode Portable Transceiver

The new Yaesu FT-818 incorporates all of the basic and attractive features of the ever-popular FT-817ND while providing upgrades desired by many existing owners.

The FT-818 provides 6W of solid output power with an external DC power source. The supplied Ni-MH battery pack (SBR-32MH) has been upgraded to now provide larger battery capacity – 9.6v/ 1900mAh. The recent launch of several new satellites is a certain indicator that the large global community of satellite enthusiast are going to be very delighted to learn that the FT-818 includes a Built-in TCXO-9 oscillator that gives the FT-818 fantastic frequency stability (±0.5ppm).

The FT-818 includes all the useful functions that are included in the FT-817ND: Dual VFOs; Split-Frequency operation; IF Shift; Clarifier “R.I.T”; IF Noise Blanker; RF Gain and Squelch control; IPO (Intercept Point Optimization); AM Aircraft reception; AM and FM Broadcast reception; VOX; Built-in Electronic Keyer; Adjustable CW Pitch; Automatic Repeater Shift (ARS); Built-in CTCSS Encoder/ Decoders; 208 memory channels with 10 memory groups; two antenna connectors; Automatic Power-Off (APO) and Time-Out-Timer(TOT) functions; and so on.

Features

  • Increased power output 6W(SSB, CW, FM) 2.0W(AM Carrier) *NEW!
  • Improved frequency stability ±0.5 ppm : Built-in TCXO-9 *NEW!
  • Larger battery capacity : 9.6V/1,900mAh (SBR-32) *NEW!
  • 208 Memory Channels / 10 Memory Groups
  • Operates on 160-10m , HF, 6m, 2m and 70 cm Bands
  • Ultra Compact and Portable
  • Two Antenna Connectors
  • IF Shift, IF Noise Blanker, IPO, ATT
  • CW “Semi-Break-in”, CW Reverse, CW Pitch Control
  • Built-in Electronic Keyer
  • Multi-Color Easy to see LCD
  • Internal Battery Operation Capability
  • ARS Automatic Repeater Shift
  • APO Automatic Power Off
  • Front Panel Key Lock Mode

Specifications

Frequency Ranges:

RX:

  • 100 kHz – 33 MHz
  • 33 MHz – 56 MHz
  • 76 MHz – 108 MHz
  • 108 MHz – 154 MHz
  • 420 MHz – 470 MHz

TX:

  • 1.8 MHz – 29.7 MHz (5.3320 MHz/ 5.3480 MHz/ 5.3585 MHz/ 5.3730 MHz/ 5.4050MHz)
  • 50 MHz – 54 MHz
  • 144 MHz – 148 MHz
  • 430 MHz – 450 MHz (Amateur Bands only)

Circuit Type: Double-Conversion Superheterodyne (SSB/CW/AM/FM)
Single-Conversion Superheterodyne (WFM)
Modulation Type: A1A(CW), A3E(AM), J3E(LSB,USB), F3E(FM), F1D(PACKET), F2D(PACKET)
RF Power Output : 6 W (SSB/CW/FM), 2 W (AM Carrier) @13.8 V
Memory Channels: 208
Case Size(W x H x D): 135 x 38 x 165 mm (5.31″ x 1.5″ x 6.50″) w/o knob and connector
Weight: 900 g (1.98 lbs) (w/o Battery, Antenna and Microphone)

Includes

  • Yaesu FT-818 6W HF/VHF/UHF All-Mode Portable Transceiver
  • Hand Microphone(MH-31A8J)
  • Battery (SBR-32 9.6V 1900mAh Ni-MH )
  • Battery Case (FBA-28) (Requires 8 “AA: batteries)
  • Whip Antenna for 50/144/430 MHz (YHA-63)
  • DC Cable (E-DC-6)
  • Shoulder Strap, Ferrite Core, Rubber Foot
  • Operating Manual
  • Battery Charger (PA-48)

The retail price is roughly $819 US shipped via GigaParts and $849 via Ham Radio Outlet. I’m sure Universal Radio will post the FT-818 to their site soon as well. At time of posting, I haven’t noticed any retailers outside the US including the FT-818 in their catalog.

I will plan to review the Yaesu FT-818, so bookmark this tag to follow any updates: Yaesu FT-818

Spread the radio love

Video: CME’s and Solar Energetic Particles

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

Regarding the last couple of posts recently about what affects Space Weather (and HF radio communications), this talk last week from Solar scientist Joan Burkepile of the High Altitude Observatory discusses what causes Radiation storms from Coronal Mass Ejections. She makes it interesting from a physics point of view. And as we understand the sun better, we also learn more about how the rest of the universe behaves.

Click here to watch via YouTube.

Thanks for sharing this, Tom!

Spread the radio love

The XHDATA D-808 and longwave: how to build an effective antenna

Many thanks to SWLing Post contributor, Mad Radio DXer, who writes:

I said I would share my results for attempting to receive LW signals on the XHDATA D-808, & if I can use a longwire to improve reception on this radio. This was after posting videos when I used around 50 metres of longwire connected to the D-808 for improved Medium Wave reception & to prove it works.

This first video shows that it is not possible for LW, no matter if I connect the 50 metres longwire to the 3.5mm input or the whip antenna. I also compare reception of the same station with the Degen DE1103 PLL using the 3.5mm input. The Degen DE1103 still had better reception even when I used the whip antenna extended at the very minimum when using the LW/MW external antenna trick. I know I should have used the internal ferrite antenna of the Degen compared to the D-808, but in any case I did try off camera & reception was about the same. So unfortunately the D-808 was never going to win this round.

However, there is a solution.

The answer? Build yourself a Long Wave induction antenna as shown in the second video [below]. I made one some time ago, as I grew frustrated at how poor the Tecsun radios were on this part of the band & that there were no LW induction antennas available to buy. I tried a signal on 207 kHz which is RÚV Rás 2 from Iceland. Either a radio with a very good internal antenna or a good external antenna is needed to receive this station at my QTH in southern England.

Placing the D-808 on the induction antenna resulted in a very pleasing result, which was it did get reception of Iceland on 207 kHz. So this shows that it is possible to DX on the LW bands with the D-808 with some “external help”.

For anyone interested making a LW induction antenna as shown above, here is a link to a video that has basic instructions & further results. It may be a very simple build & finish what I did, but for me the most important thing is that it works.

I hope my comments & videos will be a great help to all. Happy DXing.

Regards,

Mad Radio DXer.

Excellent–your comments and videos are most welcome! There are quite a number of SWLing Post readers who are avid longwave DXers. I love the simplicity and efficacy of your longwave antenna–something anyone could build.  A clever upgrade to the affordable D-808. Thank you for sharing!

Spread the radio love

Seyfi is seeking Harris RF 505A documentation

Many thanks to SWLing Post reader, Seyfi Genç, who writes:

I’m a strict follower of your blog and of course a SW listener and HAM (TA2MOK) from Istanbul Turkey.

I bought a Harris RF 505A last week for just $30 US!

I need to datasheet to repair it.  I didn’t find it on internet.

Thank you.
73!

Wow! You bought an RF 505A for $30? Amazing!

Post readers: If you can help direct Seyfi to RF 505A schematics or a repair manual, please comment with links!

Spread the radio love

External Ferrite Antenna by playloudfm

Posted by SWLing Post contributor Troy Riedel:

I just noticed something on eBay.  Seller “playloudfm” based in Greece (100% feedback rating), the first to offer the high gain external ferrite antenna for the Tecsun PL-360/PL-365/County Comm GP5, has a new offering:

From the seller’s listing:

– Frequency: 530Khz – 1710Khz
– Tunable
– Passive, No external power or battery needed
– Wireless connection to AM Radios
– Plus a low impedance output 3.5mm mono plug for 50 ohm scanners
– Improves Sensitivity and Performance of your AM Radio Receiver for AM Band Dxing!
– Very small and lightweight, perfect for traveling antenna

This AM antenna can be used in two different ways
1) you can simply attach it near your AM radio internal ferrite antenna – wireless connection
2) use a 3.5mm cable to get a low impedance output for use with 50 ohm scanners

Use tuning knob to get the maximum signal

RFA200

 

Have any Post readers bought and used this?

Spread the radio love

From the Isle of Music & Uncle Bill’s Melting Pot, Feb 25-Mar 3

From the Isle of Music, February 25-March 3, 2018
Part 1 of 2 parts
This week and next, our special guest is saxophonist/composer/bandleader Alexey León, 1st Place winner in the Interpretation category at JoJazz 2017. He already has a very impressive musical resume, and in one of our rare interviews in English, we’ll talk about his career to date and listen to some of his new album Cuban Connection, which also features other distinguished jazzistas such as Ivan Melon Lewis and Carlos Sarduy.
Four opportunities to listen on shortwave:
1. For Eastern Europe but audible well beyond the target area in most of the Eastern Hemisphere (including parts of East Asia and Oceania) with 100Kw, Sunday 1500-1600 UTC on SpaceLine, 9400 KHz, from Kostinbrod, Bulgaria (1800-1900 MSK)
2. For the Americas and parts of Europe, Tuesday 0100-0200 UTC on WBCQ, 7490 KHz from Monticello, ME, USA (Monday 8-9PM EST in the US). This is running on a backup transmitter due to a recent fire.
3 & 4. For Europe and sometimes beyond, Tuesday 1900-2000 UTC and Saturday 1200-1300 UTC on Channel 292, 6070 KHz from Rohrbach, Germany 

Uncle Bill’s Melting Pot, Sunday, February 25
Episode 51 of Uncle Bill’s Melting Pot sends us to the Balkans for some hot Roma brass from Serbia, Macedonia, Bulgaria and Romania along with our mystery song for the week. We will also do a “hang” at our Facebook page so that you can chat with us during the show if you like.
Sunday, February 25, 2300-2330 UTC (6:00PM -6:30PM Eastern US) on
WBCQ The Planet 7490 KHz shortwave from the US to the Americas and parts of Europe

Spread the radio love